Service Reference Guide HP Compaq dc7800 Business PC
© Copyright 2007 Hewlett-Packard Development Company, L.P. The information contained herein is subject to change without notice. Microsoft and Windows are trademarks of Microsoft Corporation in the U.S. and other countries. The only warranties for HP products and services are set forth in the express warranty statements accompanying such products and services. Nothing herein should be construed as constituting an additional warranty.
About This Book WARNING! Text set off in this manner indicates that failure to follow directions could result in bodily harm or loss of life. CAUTION: Text set off in this manner indicates that failure to follow directions could result in damage to equipment or loss of information. NOTE: Text set off in this manner provides important supplemental information.
iv About This Book
Table of contents 1 Installing and Customizing the Software Installing the Operating System ........................................................................................................... 1 Installing or Upgrading Device Drivers ................................................................................................. 1 HP Backup and Recovery Manager .....................................................................................................
HP ProtectTools Security Manager ................................................................................... 26 HP Client Premium Suite ................................................................................................... 27 HP Client Foundation Suite ............................................................................................... 27 HP OpenView Client Configuration Manager ....................................................................
5 Serial and Parallel ATA Drive Guidelines and Features SATA Hard Drives .............................................................................................................................. 48 SATA Hard Drive Cables .................................................................................................................... 49 SATA Data Cable .............................................................................................................. 49 SATA Power Cable ...................
System Board Drive Connections ...................................................................................... 78 Drive Positions ................................................................................................................... 79 Installing a 3.5-inch Hard Drive into an Internal Drive Bay ................................................ 80 Removing and Replacing a Removable 3.5-inch SATA Hard Drive .................................. 82 Installing a 5.25-inch or 3.
Removing an External 3.5-inch Drive .............................................................. 134 Installing a Drive into the 3.5-inch External Drive Bay .................................... 136 Primary 3.5-inch Internal SATA Hard Drive .................................................... 138 Removable 3.5-inch SATA Hard Drive ............................................................ 140 ReadyBoost Card .................................................................................................
Rear Chassis Fan ............................................................................................................................. 188 Battery .............................................................................................................................................. 189 Appendix A Connector Pin Assignments Keyboard .......................................................................................................................................... 191 Mouse ...............
Solving Audio Problems ................................................................................................................... 233 Solving Printer Problems .................................................................................................................. 235 Solving Keyboard and Mouse Problems .......................................................................................... 236 Solving Hardware Installation Problems .......................................................
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1 Installing and Customizing the Software NOTE: If the computer was shipped with Windows Vista loaded, you will be prompted to register the computer with HP Total Care before installing the operating system. You will see a brief movie followed by an online registration form. Fill out the form, click the Begin button, and follow the instructions on the screen. CAUTION: Do not add optional hardware or third-party devices to the computer until the operating system is successfully installed.
HP Backup and Recovery Manager The HP Backup and Recovery Manager is an easy-to-use, versatile application that allows you to back up and recover the primary hard drive on the PC. The application works within Windows to create backups of Windows, all applications, and all data files. Backups can be scheduled to occur automatically at designated intervals, or they can be initiated manually. Important files can be archived separately from regular backups.
2 Computer Setup (F10) Utility Computer Setup (F10) Utilities Use Computer Setup (F10) Utility to do the following: ● Change factory default settings. ● Set the system date and time. ● Set, view, change, or verify the system configuration, including settings for processor, graphics, memory, audio, storage, communications, and input devices. ● Modify the boot order of bootable devices such as hard drives, diskette drives, optical drives, or USB flash media devices.
● Solve system configuration errors detected but not automatically fixed during the Power-On SelfTest (POST). ● Replicate the system setup by saving system configuration information on diskette and restoring it on one or more computers. ● Execute self-tests on a specified ATA hard drive (when supported by drive). ● Enable or disable DriveLock security (when supported by drive).
Computer Setup—File NOTE: Support for specific Computer Setup options may vary depending on the hardware configuration.
Computer Setup—Storage NOTE: Support for specific Computer Setup options may vary depending on the hardware configuration. Table 2-3 Computer Setup—Storage Option Description Device Configuration Lists all installed BIOS-controlled storage devices. When a device is selected, detailed information and options are displayed. The following options may be presented. Diskette Type (Legacy Diskettes only) Identifies the highest capacity media type accepted by the diskette drive. Options are 3.5" 1.44 MB and 5.
Table 2-3 Computer Setup—Storage (continued) Allows you to specify the parameters (logical cylinders, heads, and sectors per track) used by the BIOS to translate disk I/O requests (from the operating system or an application) into terms the hard drive can accept. Logical cylinders may not exceed 1024. The number of heads may not exceed 256. The number of sectors per track may not exceed 63. These fields are only visible and changeable when the drive translation mode is set to User.
Computer Setup—Security NOTE: Support for specific Computer Setup options may vary depending on the hardware configuration. Table 2-4 Computer Setup—Security Option Description Setup Password Allows you to set and enable setup (administrator) password. NOTE: If the setup password is set, it is required to change Computer Setup options, flash the ROM, and make changes to certain plug and play settings under Windows. See the Troubleshooting Guide for more information.
Table 2-4 Computer Setup—Security (continued) ● Embedded security device (some models) ● SATA0 ● SATA1 (some models) ● SATA4 (some models) ● SATA5 (some models) Network Service Boot Enables/disables the computer’s ability to boot from an operating system installed on a network server. (Feature available on NIC models only; the network controller must be either a PCI expansion card or embedded on the system board.
Table 2-4 Computer Setup—Security (continued) NOTE: To configure the Embedded Security Device, a Setup password must be set. ● Reset to Factory Settings (some models) (Do not reset/Reset) Resetting to factory defaults will erase all security keys. Changing this setting requires turning the computer off and then back on. CAUTION: The embedded security device is a critical component of many security schemes. Erasing the security keys will prevent access to data protected by the Embedded Security Device.
Computer Setup—Power NOTE: Support for specific Computer Setup options may vary depending on the hardware configuration. Table 2-5 Computer Setup—Power Option Description OS Power Management ● Runtime Power Management— Enable/Disable. Allows certain operating systems to reduce processor voltage and frequency when the current software load does not require the full capabilities of the processor. ● Idle Power Savings—Extended/Normal.
Computer Setup—Advanced NOTE: Support for specific Computer Setup options may vary depending on the hardware configuration. Table 2-6 Computer Setup—Advanced (for advanced users) 12 Option Heading Power-On Options Allows you to set: ● POST mode (QuickBoot, FullBoot, or FullBoot every 1–30 days). ● POST messages (enable/disable). ● MEBx Setup Prompt (hidden/displayed). Enabling this feature displays the text CTRL+P = MEBx during POST. Disabling this feature prevents the text from being displayed.
Table 2-6 Computer Setup—Advanced (for advanced users) (continued) NOTE: If you turn off power to the computer using the switch on a power strip, you will not be able to use the suspend/sleep feature or the Remote Management features. ● POST Delay (None, 5, 10 15, or 20 seconds). Enabling this feature will add a user-specified delay to the POST process.
Table 2-6 Computer Setup—Advanced (for advanced users) (continued) NOTE: After Integrated Video is enabled and changes saved, a new menu item appears under Advanced to allow you to select the primary VGA controller video device. Inserting a PCI Express video card automatically disables Integrated Video. When PCI Express video is on, Integrated Video must remain disabled. AMT Options ● Multi-Processor (enable/disable). This option may be used to disable multi-processor support under the OS.
3 Computer Diagnostic Features HP Insight Diagnostics NOTE: HP Insight Diagnostics is included on CD with some computer models only. The HP Insight Diagnostics utility allows you to view information about the hardware configuration of the computer and perform hardware diagnostic tests on the subsystems of the computer. The utility simplifies the process of effectively identifying, diagnosing, and isolating hardware issues. The Survey tab is displayed when you invoke HP Insight Diagnostics.
6. Shut down the operating system and turn off the computer. 7. Turn on the computer. The system will boot to the CD. NOTE: If the system does not boot to the CD in the optical drive, you may need to change the boot order in the Computer Setup (F10) utility so that the system attempts to boot to the optical drive before booting to the hard drive. Refer to the Computer Setup (F10) Utility Guide for more information. 8. Select the appropriate language and click Continue.
Test Tab The Test tab allows you to choose various parts of the system to test. You can also choose the type of test and testing mode. There are three types of tests to choose from: ● Quick Test—Provides a predetermined script where a sample of each hardware component is exercised and requires no user intervention in either Unattended or Interactive mode. ● Complete Test—Provides a predetermined script where each hardware component is fully tested.
After testing has completed, the Cancel Testing button is replaced with a Retest button. The Retest button will retest the last set of tests executed. This enables you to re-run the set of tests without having to re-enter the data in the Test tab.
Saving and Printing Information in HP Insight Diagnostics You can save the information displayed in the HP Insight Diagnostics Survey and Log tabs to a diskette or a USB 2.0 HP Drive Key (64MB or higher). You can not save to the hard drive. The system will automatically create an html file that has the same appearance as the information displayed on the screen. 1. Insert a diskette or USB 2.0 HP Drive Key (capacity must be 64MB or higher). USB 1.0 Drive Keys are not supported. 2.
HP Backup and Recovery Manager The HP Backup and Recovery Manager is an easy-to-use, versatile application that allows you to back up and recover the primary hard drive on the PC. The application works within Windows to create backups of Windows, all applications, and all data files. Backups can be scheduled to occur automatically at designated intervals, or they can be initiated manually. Important files can be archived separately from regular backups.
4 Desktop Management HP Client Management Solutions provides standards-based solutions for managing and controlling desktops, workstations, and notebook PCs in a networked environment. HP pioneered desktop manageability in 1995 with the introduction of the industry’s first fully manageable desktop personal computers. HP is a patent holder of manageability technology.
You may prefer to replace the preinstalled software image with a customized set of system and application software. There are several methods for deploying a customized software image. They include: ● Installing additional software applications after unbundling the preinstalled software image.
3. For Windows Vista, click Install Altiris DAgent. For Windows XP, click Install Altiris AClient. 4. Follow the onscreen instructions to set up and configure the Altiris client. The Altiris Deployment Solution Agent is a key infrastructure component for enabling the HP Client Foundation Suite and the Client Premium Suite. To learn about the other infrastructure components necessary for implementing the HP Client Foundation Suite and Client Premium Suite, please visit http://www.hp.com/go/easydeploy.
Software Updating and Management HP provides several tools for managing and updating software on desktops, workstations, and notebooks: ● HP Client Management Interface ● HP System Software Manager ● HP Client Manager ● HP ProtectTools Security Manager ● HP Client Premium Suite ● HP Client Foundation Suite ● HP OpenView Client Configuration Manager (not currently available for Windows Vista) ● HP OpenView PC Configuration Management Solution (not currently available for Windows Vista) ● HP
HP Client Management Interface used in conjunction with system management software can: ● Request in-depth client inventory information—Capture detailed information about the processors, hard drives, memory, BIOS, drivers, including sensor information (such as fan speed, voltage, and temperature).
● Remotely configure BIOS and security settings ● Automate processes to quickly resolve hardware problems Tight integration with HP Instant Support tools reduces hardware troubleshooting time.
HP Client Premium Suite HP Client Premium Suite (HP CPS) is designed for organizations wanting full client hardware and software lifecycle management from a single, Web-based management console.
HP OpenView PC Configuration Management Solution NOTE: Vista. HP OpenView PC Configuration Management Solution is not currently available for Windows HP OpenView PC Configuration Management Solution is a policy-based solution that enables administrators to inventory, deploy, patch, and continuously manage software and content across heterogeneous client platforms.
Recovery Points and file backups can be copied to CD or DVD discs, while all backups can be copied to network or secondary hard disks. HP highly recommends that you create a Recovery Disc Set immediately before using the computer and schedule regular automatic Recovery Point backups. To create the Recovery Disc Set: 1. Click Start > HP Backup and Recovery > HP Backup and Recovery Manager to open the Backup and Recovery Wizard, then click Next. 2.
NOTE: For an overview of Intel vPro technology, visit http://www.intel.com/vpro. For HP-specific information on Intel vPro technology, see the white papers at http://www.hp.com/ support. Select your country and language, select See support and troubleshooting information, enter the model number of the computer, and press Enter. In the Resources category, click Manuals (guides, supplements, addendums, etc.). Under Quick jump to manuals by category, click White papers.
● ◦ VLAN—allows administrator to enable LAN virtualization support ◦ SOL/IDE-R—allows administrator to enable remote boot and control sessions Change MEBx Password (HP highly recommends that this password be changed. The default password is admin.) In order to remotely manage AMT systems, the administrator must use a remote console that supports AMT. Enterprise management consoles are available from suppliers such as HP OpenView (not currently available for Windows Vista), Altiris and Microsoft SMS.
CAUTION: For maximum ROM protection, be sure to establish a setup password. The setup password prevents unauthorized ROM upgrades. System Software Manager allows the system administrator to set the setup password on one or more PCs simultaneously. For more information, visit http://www.hp.com/go/ssm. Remote ROM Flash Remote ROM Flash allows the system administrator to safely upgrade the BIOS on remote HP computers directly from the centralized network management console.
To recover the system after it enters Boot Block Emergency Recovery Mode, complete the following steps: 1. Turn off the power. 2. Insert a CD or USB flash device containing the desired BIOS image file in the root directory. NOTE: 3. The media must be formatted using the FAT12, FAT16, or FAT32 file system. Turn on the computer. If no appropriate BIOS image is found, you will be prompted to insert media containing a BIOS image file.
8. Turn on the computer to be configured. 9. As soon as the computer is turned on, press F10 when the monitor light turns green to enter Computer Setup. Press Enter to bypass the title screen, if necessary. 10. Click File > Replicated Setup > Restore from Removable Media, and follow the instructions on the screen. 11. Restart the computer when the configuration is complete. Copying to Multiple Computers CAUTION: A setup configuration is model-specific.
10. Turn off the computer to be configured. Insert the configuration diskette or USB flash media device and turn the computer on. The configuration utility will run automatically. 11. Restart the computer when the configuration is complete. Creating a Bootable Device Supported USB Flash Media Device Supported devices have a preinstalled image to simplify the process of making them bootable. All HP or Compaq and most other USB flash media devices have this preinstalled image.
After the system files have been transferred, SYS will return to the A:\ prompt. Go to step 13. 9. Copy any files you want to keep from your USB flash media device to a temporary directory on another drive (for example, the system's internal hard drive). 10. At the A:\ prompt, enter FORMAT /S X: where X represents the drive letter noted before. CAUTION: Be sure that you have entered the correct drive letter for the USB flash media device.
NOTE: If you do not press F10 at the appropriate time, you must restart the computer and again press F10 when the monitor light turns green to access the utility. 6. Go to Advanced > PCI Devices to disable both the PATA and SATA controllers. When disabling the SATA controller, note the IRQ to which the controller is assigned. You will need to reassign the IRQ later. Exit setup, confirming the changes. SATA IRQ: __________ NOTE: Only USDT models include a PATA controller. 7.
To change the power button’s configuration, complete the following steps: 1. Left click on the Start Button, then select Control Panel > Power Options. 2. In the Power Options Properties, select the Advanced tab. 3. In the Power Button section, select Stand by. After configuring the power button to function as a standby button, press the power button to put the system in a very low power state (standby). Press the button again to quickly bring the system out of standby to full power status.
available for Windows Vista), or other system management applications. Seamless, automatic integration between asset tracking features and these products enables you to choose the management tool that is best suited to the environment and to leverage the investment in existing tools. HP also offers several solutions for controlling access to valuable components and information.
Table 4-1 Security Features Overview (continued) Option Description Pre-Boot Authorization Allows you to enable/disable the Smart Card to be used in place of the PowerOn Password. Smart Cover Allows you to: ● Enable/disable the Cover Lock. ● Enable/disable the Cover Removal Sensor. NOTE: Notify User alerts the user that the sensor has detected that the cover has been removed.
Password Security The power-on password prevents unauthorized use of the computer by requiring entry of a password to access applications or data each time the computer is turned on or restarted. The setup password specifically prevents unauthorized access to Computer Setup, and can also be used as an override to the power-on password. That is, when prompted for the power-on password, entering the setup password instead will allow access to the computer.
NOTE: Type carefully; for security reasons, the characters you type do not appear on the screen. If you enter the password incorrectly, a broken key icon appears. Try again. After three unsuccessful tries, you must turn off the computer, then turn it on again before you can continue. Entering a Setup Password If the system is equipped with an embedded security device, refer to the HP ProtectTools Security Manager Guide at http://www.hp.com.
Deleting a Power-On or Setup Password If the system is equipped with an embedded security device, refer to the HP ProtectTools Security Manager Guide at http://www.hp.com. 1. Turn on or restart the computer. If you are in Windows, click Start > Shut Down > Restart the Computer. 2. To delete the Power-On password, go to step 3. To delete the Setup password, as soon as the computer is turned on, press F10 when the monitor light turns green to enter Computer Setup.
If the system is equipped with an embedded security device, refer to the HP ProtectTools Security Manager Guide at http://www.hp.com. DriveLock DriveLock is an industry-standard security feature that prevents unauthorized access to the data on ATA hard drive. DriveLock has been implemented as an extension to Computer Setup. It is only available when hard drives that support the ATA Security command set are detected. DriveLock is intended for HP customers for whom data security is the paramount concern.
For users with less stringent security requirements, HP does not recommend enabling DriveLock. Users in this category include personal users or users who do not maintain sensitive data on their hard drives as a common practice. For these users, the potential loss of a hard drive resulting from forgetting both passwords is much greater than the value of the data DriveLock has been designed to protect. Access to Computer Setup and DriveLock can be restricted through the Setup password.
Locking the Smart Cover Lock To activate and lock the Smart Cover Lock, complete the following steps: 1. Turn on or restart the computer. If you are in Windows, click Start > Shut Down > Restart. 2. As soon as the computer is turned on, press F10 when the monitor light turns green to enter Computer Setup. Press Enter to bypass the title screen, if necessary.
Cable Lock Provision The rear panel of the computer accommodates a cable lock so that the computer can be physically secured to a work area. For illustrated instructions, please see the Hardware Reference Guide on the Documentation and Diagnostics CD. Fingerprint Identification Technology Eliminating the need to enter user passwords, HP Fingerprint Identification Technology tightens network security, simplifies the login process, and reduces the costs associated with managing corporate networks.
5 Serial and Parallel ATA Drive Guidelines and Features NOTE: Serial ATA = SATA Parallel ATA = PATA SATA Hard Drives Serial ATA Hard Drive Characteristics Number of pins/conductors in data cable 7/7 Number of pins in power cable 15 Maximum data cable length 39.37 in (100 cm) Data interface voltage differential 400-700 mV Drive voltages 3.3 V, 5 V, 12 V Jumpers for configuring drive N/A Data transfer rate 3.
SATA Hard Drive Cables SATA Data Cable Always use an HP approved SATA 3.0 Gb/s cable as it is fully backwards compatible with the SATA 1.5 Gb/s drives. Current HP desktop products ship with SATA 3.0 Gb/s hard drives. SATA data cables are susceptible to damage if overflexed. Never crease a SATA data cable and never bend it tighter than a 30 mm (1.18 in) radius. The SATA data cable is a thin, 7-pin cable designed to transmit data for only a single drive.
PATA Device Information The USDT model is the only product that supports a PATA optical drive. No PATA drives are supported on any other model. ATA SMART Drives The Self Monitoring Analysis and Recording Technology (SMART) ATA drives for the HP Personal Computers have built-in drive failure prediction that warns the user or network administrator of an impending failure or crash of the hard drive.
6 Identifying the Chassis, Routine Care, and Disassembly Preparation This chapter provides general service information for the computer. Adherence to the procedures and precautions described in this chapter is essential for proper service. CAUTION: When the computer is plugged into an AC power source, voltage is always applied to the system board. You must disconnect the power cord from the power source before opening the computer to prevent system board or component damage.
Small Form Factor (SFF) Ultra-Slim Desktop (USDT) 52 Chapter 6 Identifying the Chassis, Routine Care, and Disassembly Preparation
Electrostatic Discharge Information A sudden discharge of static electricity from your finger or other conductor can destroy static-sensitive devices or microcircuitry. Often the spark is neither felt nor heard, but damage occurs. An electronic device exposed to electrostatic discharge (ESD) may not appear to be affected at all and can work perfectly throughout a normal cycle. The device may function normally for a while, but it has been degraded in the internal layers, reducing its life expectancy.
● Avoid contact with pins, leads, or circuitry. ● Place reusable electrostatic-sensitive parts from assemblies in protective packaging or conductive foam. Personal Grounding Methods and Equipment Use the following equipment to prevent static electricity damage to equipment: ● Wrist straps are flexible straps with a maximum of one-megohm ± 10% resistance in the ground cords. To provide proper ground, a strap must be worn snug against bare skin.
● Conductive foam ● Conductive tabletop workstations with ground cord of one-megohm +/- 10% resistance ● Static-dissipative table or floor mats with hard tie to ground ● Field service kits ● Static awareness labels ● Wrist straps and footwear straps providing one-megohm +/- 10% resistance ● Material handling packages ● Conductive plastic bags ● Conductive plastic tubes ● Conductive tote boxes ● Opaque shielding bags ● Transparent metallized shielding bags ● Transparent shielding tub
Routine Care General Cleaning Safety Precautions 1. Never use solvents or flammable solutions to clean the computer. 2. Never immerse any parts in water or cleaning solutions; apply any liquids to a clean cloth and then use the cloth on the component. 3. Always unplug the computer when cleaning with liquids or damp cloths. 4. Always unplug the computer before cleaning the keyboard, mouse, or air vents. 5. Disconnect the keyboard before cleaning it. 6.
● If you remove a key, use a specially designed key puller to prevent damage to the keys. This tool is available through many electronic supply outlets. CAUTION: Never remove a wide leveled key (like the space bar) from the keyboard. If these keys are improperly removed or installed, the keyboard may not function properly. ● Cleaning under a key may be done with a swab moistened with isopropyl alcohol and squeezed out. Be careful not to wipe away lubricants necessary for proper key functions.
● Diagnostics software ● HP tamper-resistant T-15 wrench (Smart Cover FailSafe Key, PN 166527-001) or HP tamperresistant bits (Smart Cover FailSafe Key, PN 166527-002) Screws The screws used in the computer are not interchangeable. They may have standard or metric threads and may be of different lengths. If an incorrect screw is used during the reassembly process, it can damage the unit.
Lithium Coin Cell Battery The battery that comes with the computer provides power to the real-time clock and has a minimum lifetime of about three years. See the appropriate removal and replacement chapter for the chassis you are working on in this guide for instructions on the replacement procedures. WARNING! This computer contains a lithium battery. There is a risk of fire and chemical burn if the battery is handled improperly.
7 Removal and Replacement Procedures Convertible Minitower (CMT) Chassis Adherence to the procedures and precautions described in this chapter is essential for proper service. After completing all necessary removal and replacement procedures, run the Diagnostics utility to verify that all components operate properly. NOTE: Not all features listed in this guide are available on all computers.
Unlocking the Smart Cover Lock If you have locked the Smart Cover Lock use Computer Setup to unlock the lock. Refer to the Desktop Management Guide for more information about the Smart Cover Lock. If you cannot access Computer Setup to unlock the cover you will need to remove the locking solenoid by using the Smart Cover FailSafe Key (Spare part number 166527-001 for the wrench-style key or 166527-002 for the screwdriver bit key).
External Security Devices The following security devices are used to prevent unauthorized access to the internal components of the computer and/or secure the computer to a fixed object. Installing a Cable Lock The cable lock may be used to secure the computer access panel to the chassis and, at the same time, secure the computer to a fixed object. Insert the cable lock in the location shown below. Installing a Padlock A padlock may be used by itself to secure the access panel to the computer chassis.
Hood Sensor 1. Prepare the computer for disassembly (Preparation for Disassembly on page 60). 2. Remove the access panel (Computer Access Panel on page 64). 3. Disconnect the hood sensor cable from the system board. 4. Slide the hood sensor switch toward the front of the computer (1), and then pull it back through the slot (2). To install the hood sensor, reverse the removal procedure.
Computer Access Panel 1. Prepare the computer for disassembly (Preparation for Disassembly on page 60). CAUTION: Before removing the computer access panel, ensure that the computer is turned off and that the power cord is disconnected from the electrical outlet. 2. Lift up on the access panel handle (1), slide the access panel back about 1.25 cm (1/2 inch), and then lift it up and off the unit (2). To install the access panel, reverse the removal procedure.
Front Bezel 1. Prepare the computer for disassembly (Preparation for Disassembly on page 60). 2. Remove the computer access panel (Computer Access Panel on page 64). 3. Push up on the two release tabs (1), and then rotate the front bezel away from the chassis to release it (2). To reinstall the front bezel, reverse the removal procedure.
Bezel Blanks 1. Prepare the computer for disassembly (Preparation for Disassembly on page 60). 2. Remove the access panel (Computer Access Panel on page 64). 3. Remove the front bezel (Front Bezel on page 65). 4. Gently pull the subpanel, with the bezel blanks secured in it, away from the front bezel, then remove the desired bezel blank. CAUTION: Hold the subpanel straight when pulling it away from the front bezel.
Cable Management Always follow good cable management practices when working inside the computer. ● Keep cables away from major heat sources like the heatsink. ● Do not jam cables on top of expansion cards or memory modules. Printed circuit cards like these are not designed to take excessive pressure on them. ● Keep cables clear of sliding or moveable parts to prevent them from being cut or crimped when the parts are moved. ● When folding a flat ribbon cable, never fold to a sharp crease.
Cable Connections System board connectors are color-coded to make it easier to find the proper connection.
Memory The computer comes with double data rate 2 synchronous dynamic random access memory (DDR2SDRAM) dual inline memory modules (DIMMs). The memory sockets on the system board can be populated with up to four industry-standard DIMMs. These memory sockets are populated with at least one preinstalled DIMM. To achieve the maximum memory support, you can populate the system board with up to 8 GB of memory configured in a highperforming dual channel mode.
Item Description Socket Color 1 DIMM socket XMM1, Channel A Black 2 DIMM socket XMM2, Channel A White 3 DIMM socket XMM3, Channel B White 4 DIMM socket XMM4, Channel B White NOTE: A DIMM must occupy the black DIMM1 socket. Otherwise, the system will display a POST error message indicating that a memory module must be installed in the black socket. The system will automatically operate in single channel mode, dual channel mode, or flex mode, depending on how the DIMMs are installed.
3. Open both latches of the memory module socket (1), and insert the memory module into the socket (2). NOTE: A memory module can be installed in only one way. Match the notch on the module with the tab on the memory socket. 4. Push the module down into the socket, ensuring that the module is fully inserted and properly seated. Make sure the latches are in the closed position (3). 5. Repeat steps 3 and 4 for any additional modules that you want to install. NOTE: on.
Expansion Cards The computer has three standard full-height PCI expansion slots that can accommodate an expansion card up to 34 cm (13.4 inches) in length. The computer also has two PCI Express x1 expansion slots and one PCI Express x16 expansion slot.
4. Press straight down on the two green thumb tabs inside the chassis (1) and rotate the expansion card retention latch up (2). 5. Before installing an expansion card, remove the expansion slot cover or the existing expansion card. NOTE: Before removing an installed expansion card, disconnect any cables that may be attached to the expansion card. a. If you are installing an expansion card in a vacant socket, remove the appropriate expansion slot cover on the back of the chassis.
b. If you are removing a standard PCI card, hold the card at each end and carefully rock it back and forth until the connectors pull free from the socket. Lift the card straight up to remove it. Be sure not to scrape the card against other components. c. If you are removing a PCI Express x16 card, pull the retention arm on the back of the expansion socket away from the card and carefully rock the card back and forth until the connectors pull free from the socket. Lift the card straight up to remove it.
8. To install a new expansion card, slide the bracket on the end of the card down into the slot on the back of the chassis and press the card down firmly into the socket on the system board. NOTE: When installing an expansion card, press firmly on the card so that the whole connector seats properly in the expansion card slot. 9. Close the expansion card retention latch, making sure that it snaps firmly into place. 10. Connect external cables to the installed card, if needed.
Drives The computer supports up to five drives that may be installed in various configurations. When installing additional drives, follow these guidelines: ● The primary Serial ATA (SATA) hard drive must be connected to the dark blue SATA connector on the system board labeled SATA0. ● Connect the first SATA optical drive to the white SATA connector on the system board labeled SATA1. ● Always populate the dark blue SATA0 and white SATA1 connectors before the light blue SATA4 and orange SATA5 connectors.
CAUTION: To prevent loss of work and damage to the computer or drive: If you are inserting or removing a drive, shut down the operating system properly, turn off the computer, and unplug the power cord. Do not remove a drive while the computer is on or in standby mode. Before handling a drive, ensure that you are discharged of static electricity. While handling a drive, avoid touching the connector.
System Board Drive Connections Refer to the following illustration and table to identify the system board drive connectors. 78 No.
Drive Positions 1 1 Three 5.25-inch external drive bays for optional drives (optical drives and media card reader shown)1 2 One 3.5-inch external drive bay for optional drives (diskette drive shown)2 3 Two 3.5-inch internal hard drive bays An optional hard drive mounting bracket for these drive bays is available from HP. The bottom 5.25-inch drive bay has a shorter depth than the upper two bays. The bottom bay supports a half-height drive or other device that is no more than 14.5 cm (5.
Installing a 3.5-inch Hard Drive into an Internal Drive Bay CAUTION: To prevent loss of work and damage to the computer or drive: If you are inserting or removing a hard drive, shut down the operating system properly, then turn off the computer. Do not remove a hard drive while the computer is on or in standby mode. Before handling a drive, ensure that you are discharged of static electricity. While handling a drive, avoid touching the connector.
6. Pull up on the green hard drive drivelock mechanism (1) for that drive and slide the drive from the drive bay (2). 7. Remove the four guide screws (two on each side) from the old drive and install them in the replacement drive. NOTE: Extra 6-32 isolation guide screws are provided on the hard drive bracket under the access panel. Optical drives use M3 metric screws. The HP-supplied metric screws are black. 8. Store the removed drive in anti-static packaging. 9.
Removing and Replacing a Removable 3.5-inch SATA Hard Drive Some models are equipped with a Removable SATA Hard Drive Enclosure in the 5.25-inch external drive bay. The hard drive is housed in a carrier that can be quickly and easily removed from the drive bay. To remove and replace a drive in the carrier: NOTE: Before you remove the old hard drive, be sure to back up the data from the old hard drive so that you can transfer the data to the new hard drive.
3. Remove the adhesive strip that secures the thermal sensor to the top of the hard drive (1) and move the thermal sensor away from the carrier (2). 4. Remove the four screws from the bottom of the hard drive carrier.
84 5. Slide the hard drive back to disconnect it from the carrier then lift it up and out of the carrier. 6. Place the new hard drive in the carrier then slide the hard drive back so that it seats in the SATA connector on the carrier's circuit board. Be sure the connector on the hard drive is pressed all the way into the connector on the carrier's circuit board.
7. Replace the four screws in the bottom of the carrier to hold the drive securely in place. 8. Place the thermal sensor on top of the hard drive in a position that does not cover the label (1) and attach the thermal sensor to the top of the hard drive with the adhesive strip (2).
9. Slide the cover on the carrier (1) and replace the screw on the rear of the carrier to secure the cover in place (2). 10. Slide the hard drive carrier into the enclosure on the computer and lock it with the key provided. NOTE: The carrier must be locked for power to be supplied to the hard drive.
Installing a 5.25-inch or 3.5-inch Drive into an External Drive Bay NOTE: A 3.5-inch drive may be a diskette drive or a media card reader. A 5.25-inch drive may be an optical drive (DVD-ROM or SuperMulti LightScribe drive) or a media card reader with a 5.25-inch adapter kit attached. 1. Prepare the computer for disassembly (Preparation for Disassembly on page 60). 2. Remove the computer access panel (Computer Access Panel on page 64). 3.
6. Connect the power cable (1) and data cable (2) to the rear of the optical drive or diskette drive. 7. If you are installing a new drive, connect the opposite end of the data cable to the appropriate system board connector. NOTE: If you are installing a SATA optical drive, connect the first optical drive to the white SATA connector on the system board labeled SATA1. Connect a second optical drive to the orange SATA connector labeled SATA5.
ReadyBoost Card A ReadyBoost card is installed in the computer. The card is secured to the chassis, and a cable connects the card to the system board. 1. Prepare the computer for disassembly (Preparation for Disassembly on page 60). 2. Remove the computer access panel (Computer Access Panel on page 64). 3. Unplug the ReadyBoost cable from the system board, and then lift the card assembly from the chassis. To install the ReadyBoost card, reverse the removal procedure.
Front I/O Device and Power Switch 1. Prepare the computer for disassembly (Preparation for Disassembly on page 60). 2. Remove the computer access panel (Computer Access Panel on page 64). 3. Remove the front bezel (Front Bezel on page 65). 4. Disconnect the two I/O device cables and the power switch cable from the system board. 5. Remove the audio cable from the clip on top of the fan shroud. 6. Remove the screw that secures the device to the chassis (1). 7.
Fan Shroud 1. Prepare the computer for disassembly (Preparation for Disassembly on page 60). 2. Remove the computer access panel (Computer Access Panel on page 64). 3. Pull up on all four shroud tabs simultaneously and slide the shroud from the heatsink. To reinstall the fan shroud, reverse the removal procedure.
Heatsink 1. Prepare the computer for disassembly (Preparation for Disassembly on page 60). 2. Remove the computer access panel (Computer Access Panel on page 64). 3. Unscrew the four captive screws (1) that secure the heatsink to the system board. CAUTION: Heatsink retaining screws should be removed in diagonally opposite pairs (as in an X) to even the downward forces on the processor.
Processor 1. Prepare the computer for disassembly (Preparation for Disassembly on page 60). 2. Remove the computer access panel (Computer Access Panel on page 64). 3. Remove the heatsink (Heatsink on page 92). 4. Rotate the locking lever to its full open position (1). 5. Raise and rotate the microprocessor retainer to its fully open position (2). 6. Carefully lift the processor from the socket (3). CAUTION: Do NOT handle the pins in the processor socket.
5. If using a new heatsink, remove the protective covering from the bottom of the heatsink and place it in position atop the processor. 6. Secure the heatsink to the system board and system board tray with the 4 captive screws and attach the heatsink control cable to the system board. CAUTION: Heatsink retaining screws should be tightened in diagonally opposite pairs (as in an X) to evenly seat the heatsink on the processor.
Rear Chassis Fan 1. Prepare the computer for disassembly (Preparation for Disassembly on page 60). 2. Remove the computer access panel (Computer Access Panel on page 64). 3. Disconnect the fan control cable from the system board. 4. Press down on the two upper tabs (1) to loosen the fan housing from the chassis. 5. Rotate the fan forward (2), and then lift it up and out of the chassis (3). To install the fan assembly, reverse the removal procedure. Be sure to orient the air flow out of the unit.
Inner Chassis Fan 1. Prepare the computer for disassembly (Preparation for Disassembly on page 60). 2. Remove the computer access panel (Computer Access Panel on page 64). 3. Remove the heatsink (Heatsink on page 92). 4. Disconnect the fan control cable from the system board. 5. Push down on the tab at the top of the fan (1). 6. Pull up on the fan (2), and then pull it toward the system board to remove it from the chassis (3). To install the fan assembly, reverse the removal procedure.
Serial Port 1. Prepare the computer for disassembly (Preparation for Disassembly on page 60). 2. Remove the computer access panel (Computer Access Panel on page 64). 3. Push down the green tabs (1), and then rotate the tab back 90 degrees out of the rear of the chassis (2). 4. Disconnect the serial port cable from the system board (3). 5. Remove the port assembly from the chassis (4). To install the serial port, reverse the removal procedure.
Power Supply 1. Prepare the computer for disassembly (Preparation for Disassembly on page 60). 2. Remove the computer access panel (Computer Access Panel on page 64). 3. Disconnect all power cables from the mass storage devices and from the system board. 4. Remove the four screws that connect the power supply to the chassis. 5. Press the tab in front of the power supply that holds it in place (1). 6.
System Board 1. Prepare the computer for disassembly (Preparation for Disassembly on page 60). 2. Remove the computer access panel (Computer Access Panel on page 64). 3. Remove all expansion boards (Expansion Cards on page 72). 4. Disconnect all cables connected to the system board, noting their location for reinstallation. 5. Remove the heatsink (Heatsink on page 92). 6. Remove the 10 screws that secure the system board to the chassis (1). 7.
Battery The battery that comes with your computer provides power to the real-time clock and has a lifetime of about three years. When replacing the battery, use a battery equivalent to the battery originally installed on the computer. The computer comes with a 3-volt lithium coin cell battery. NOTE: The lifetime of the lithium battery can be extended by plugging the computer into a live AC wall socket. The lithium battery is only used when the computer is NOT connected to AC power.
Type 1 Battery Holder 1. Lift the battery out of its holder. 2. Slide the replacement battery into position, positive side up. 3. The battery holder automatically secures the battery in the proper position. 4. Replace the computer access panel. 5. Plug in the computer and turn on power to the computer. 6. Reset the date and time and any special system setups using Computer Setup. Refer to the Computer Setup (F10) Utility Guide. Type 2 Battery Holder 1.
4. Plug in the computer and turn on power to the computer. 5. Reset the date and time and any special system setups using Computer Setup. Refer to the Computer Setup (F10) Utility Guide. Type 3 Battery Holder 1. Pull back on the clip (1) that holds the battery in place, then remove the battery (2). 2. Insert the new battery and position the clip back in place. 3. Replace the computer access panel. 4. Plug in the computer and turn on power to the computer. 5.
Changing from a Desktop to a Minitower Configuration 1. Prepare the computer for disassembly (Preparation for Disassembly on page 60). 2. Remove the computer access panel (Computer Access Panel on page 64). 3. Remove the front bezel (Front Bezel on page 65). 4. Disconnect all power and data cables from the back of the drives in the 5.25-inch drive bays. 5. To release the drives from the 5.25-inch drive bay, press down on the short yellow drivelock as shown.
CAUTION: The bottom 5.25-inch drive bay has a shorter depth than the upper two bays. The bottom bay supports a half-height drive or other device that is no more than 14.5 cm (5.7 inches) in depth. Do not try to force a larger drive, such as an optical drive, into the bottom bay. This could cause damage to the drive and the system board. The use of unnecessary force when installing any drive into the drive bay may result in damage to the drive. 8. Reconnect all power and data cables to the drives in the 5.
Changing from a Minitower to a Desktop Configuration 1. Prepare the computer for disassembly (Preparation for Disassembly on page 60). 2. Remove the computer access panel (Computer Access Panel on page 64). 3. Remove the front bezel (Front Bezel on page 65). 4. Disconnect all power and data cables from the back of the drives in the 5.25-inch drive bays. 5. To release the drives from the 5.25-inch drive bay, lift the release tab on the green latch drive bracket for the drive.
7. Gently slide the drive into the uppermost available bay until it snaps into place. When the drive is properly inserted, the drivelock will secure it. Repeat this step for each drive. CAUTION: The bottom 5.25-inch drive bay has a shorter depth than the upper two bays. The bottom bay supports a half-height drive or other device that is no more than 14.5 cm (5.7 inches) in depth. Do not try to force a larger drive, such as an optical drive, into the bottom bay.
8 Removal and Replacement Procedures Small Form Factor (SFF) Chassis Adherence to the procedures and precautions described in this chapter is essential for proper service. After completing all necessary removal and replacement procedures, run the Diagnostics utility to verify that all components operate properly. NOTE: Not all features listed in this guide are available on all computers.
Unlocking the Smart Cover Lock NOTE: The Smart Cover Lock is an optional feature included on some models only. The Smart Cover Lock is a software-controllable cover lock, controlled by the setup password. This lock prevents unauthorized access to the internal components. The computer ships with the Smart Cover Lock in the unlocked position. For more information about locking the Smart Cover Lock, refer to the Desktop Management Guide.
Using the Smart Cover FailSafe Key to Remove the Smart Cover Lock To open the access panel with the Smart Cover Lock engaged: 1. Prepare the computer for disassembly (Preparation for Disassembly on page 107). 2. Use the Smart Cover FailSafe Key to remove the tamper-proof screw that secures the Smart Cover Lock to the chassis. 3. Remove the access panel. To reattach the Smart Cover Lock, secure the lock in place with the tamper-proof screw.
External Security Devices The following security devices are used to prevent unauthorized access to the internal components of the computer and/or secure the computer to a fixed object. Installing a Security Lock The security locks displayed below and on the following page can be used to secure the computer.
HP Business PC Security Lock 1. Fasten the security cable by looping it around a stationary object. 2. Thread the keyboard and mouse cables through the lock.
3. Screw the lock to the chassis using the screw provided. 4. Insert the plug end of the security cable into the lock (1) and push the button in (2) to engage the lock. Use the key provided to disengage the lock.
Computer Access Panel 1. Prepare the computer for disassembly (Preparation for Disassembly on page 107). 2. Press the buttons on the left and right sides of the computer (1), slide the access panel back until it stops, and then lift it up and off the chassis (2). To install the access panel, reverse the removal procedure.
Front Bezel 1. Prepare the computer for disassembly (Preparation for Disassembly on page 107). 2. Remove the access panel (Computer Access Panel on page 113). 3. Lift up the green latch behind the upper right side of the bezel (1), pull the right side of the bezel off the chassis (2), and then remove the bezel from the chassis. To replace the front bezel, reverse the removal procedures.
Bezel Blanks On some models, there are bezel blanks covering the 3.5-inch and 5.25-inch external drive bays that need to be removed before installing a drive. To remove a bezel blank: 1. Prepare the computer for disassembly (Preparation for Disassembly on page 107). 2. Remove the access panel (Computer Access Panel on page 113). 3. Remove the front bezel (Front Bezel on page 114). 4. To remove the 3.
Installing Additional Memory The computer comes with double data rate 2 synchronous dynamic random access memory (DDR2SDRAM) dual inline memory modules (DIMMs). DIMMs The memory sockets on the system board can be populated with up to four industry-standard DIMMs. These memory sockets are populated with at least one preinstalled DIMM. To achieve the maximum memory support, you can populate the system board with up to 8 GB of memory configured in a highperforming dual channel mode.
Populating DIMM Sockets There are four DIMM sockets on the system board, with two sockets per channel. The sockets are labeled DIMM1, DIMM2, DIMM3, and DIMM4. Sockets DIMM1 and DIMM2 operate in memory channel A. Sockets DIMM3 and DIMM4 operate in memory channel B. Item Description Socket Color 1 DIMM1 socket, Channel A Black 2 DIMM2 socket, Channel A White 3 DIMM3 socket, Channel B White 4 DIMM4 socket, Channel B White NOTE: A DIMM must occupy the black DIMM1 socket.
be populated with the two 512-MB DIMMs. With this configuration, 2-GB will run as dual channel and 512-MB will run as single channel. ● In any mode, the maximum operational speed is determined by the slowest DIMM in the system. Installing DIMMs CAUTION: You must disconnect the power cord before adding or removing memory modules. Regardless of the power-on state, voltage is always supplied to the memory modules as long as the computer is plugged into an active AC outlet.
4. Open both latches of the memory module socket (1), and insert the memory module into the socket (2). NOTE: A memory module can be installed in only one way. Match the notch on the module with the tab on the memory socket. A DIMM must occupy the black DIMM1 socket. For maximum performance, populate the sockets so that the memory capacity is spread as equally as possible between Channel A and Channel B. 5.
Expansion Cards The computer has one standard low-profile PCI expansion slot that can accommodate an expansion card up to 17.46 cm (6.875 inches) in length. The computer also has two PCI Express x1 expansion slots and one PCI Express x16 expansion slot. NOTE: The PCI and PCI Express slots support only low profile cards. An optional riser is available from HP that will support two full-height PCI cards. If the riser is installed, the PCI Express expansion slots are inaccessible.
4. Release the slot cover retention latch that secures the PCI slot covers by lifting the green tab on the latch and rotating the latch to the open position. 5. Before installing an expansion card, remove the expansion slot cover or the existing expansion card. NOTE: Before removing an installed expansion card, disconnect any cables that may be attached to the expansion card. a.
b. If you are removing a standard PCI card, hold the card at each end, and carefully rock it back and forth until the connectors pull free from the socket. Pull the expansion card straight up from the socket then away from the inside of the chassis to release it from the chassis frame. Be sure not to scrape the card against the other components. c.
CAUTION: After removing an expansion card, you must replace it with a new card or expansion slot cover for proper cooling of internal components during operation. 8. To install a new expansion card, slide the card under the slot cover retention latch and press the card down into the socket on the system board. NOTE: When installing an expansion card, press firmly on the card so that the whole connector seats properly in the expansion card slot. 9.
Cable Management The Small Form Factor chassis is a very compact computer and proper routing of the internal cables is critical to the operation of the computer. Follow good cable management practices when working inside the computer. ● Keep cables away from major heat sources like the heatsink. ● Do not jam cables on top of expansion cards or memory modules. Printed circuit cards like these are not designed to take excessive pressure on them.
Cable Connections System board connectors are color-coded to make it easier to find the proper connection.
Drives A Torx T-15 screwdriver is needed to remove and install the guide screws on a drive. CAUTION: Make sure personal files on the hard drive are backed up to an external storage device before removing the hard drive. Failure to do so will result in data loss. After replacing the primary hard drive, you will need to run the Restore Plus! CD to load the HP factory-installed files. Drive Positions 1 3.5-inch internal hard drive bay 2 5.
Installing and Removing Drives When installing additional drives, follow these guidelines: ● The primary Serial ATA (SATA) hard drive must be connected to the dark blue primary SATA connector on the system board labeled SATA0. ● Connect a SATA optical drive to the white SATA connector on the system board labeled SATA1. ● Connect a second SATA hard drive to the next available (unpopulated) SATA connector on the system board by following the numbered sequence of the connectors.
CAUTION: To prevent loss of work and damage to the computer or drive: If you are inserting or removing a drive, shut down the operating system properly, turn off the computer, and unplug the power cord. Before handling a drive, ensure that you are discharged of static electricity. While handling a drive, avoid touching the connector. For more information about preventing electrostatic damage, refer to Electrostatic Discharge Information on page 53. Handle a drive carefully; do not drop it.
System Board Drive Connections Refer to the following illustration and table to identify the system board drive connectors. No.
Removing an Optical Drive CAUTION: All removable media should be taken out of a drive before removing the drive from the computer. NOTE: An optical drive is a DVD-ROM or SuperMulti LightScribe drive. To remove an optical drive: 1. Prepare the computer for disassembly (Preparation for Disassembly on page 107). 2. Remove the access panel (Computer Access Panel on page 113). 3. Rotate the drive cage to its upright position. 4.
5. Rotate the drive cage back down to its normal position. CAUTION: Be careful not to pinch any cables or wires when rotating the drive cage down. 6. Press the green drive retainer latch (1) located on the right side of the drive to disengage the drive from the drive cage. While pressing the drive retainer latch, slide the drive back until it stops, and then lift it up and out of the drive cage (2). To replace the optical drive, reverse the removal procedure.
3. If you are installing a drive in a bay covered by a bezel blank, remove the front bezel then remove the bezel blank. See Bezel Blanks on page 115 for more information. 4. Install two M3 metric guide screws in the lower holes on each side of the drive. HP has provided four extra M3 metric guide screws on the front of the chassis, under the front bezel. The M3 metric guide screws are black.
6. Rotate the drive cage to its upright position. 7. Connect the SATA data cable to the white system board connector labeled SATA1. 8. Route the data cable through the cable guides. CAUTION: There are two cable guides that keep the data cable from being pinched by the drive cage when raising or lowering it. One is located on the bottom side of the drive cage. The other is located on the chassis frame under the drive cage.
10. Rotate the drive cage back down to its normal position. CAUTION: Be careful not to pinch any cables or wires when rotating the drive cage down. The system automatically recognizes the drive and reconfigures the computer. Removing an External 3.5-inch Drive CAUTION: All removable media should be taken out of a drive before removing the drive from the computer. NOTE: The 3.5-inch drive bay may contain a diskette drive or a media card reader. The 3.5-inch drive is located underneath the optical drive.
2. Disconnect the drive cables, as indicated in the following illustrations: a. If you are removing a diskette drive, disconnect the data cable (1) and power cable (2) from the back of the drive. b. If you are removing a media card reader, disconnect the USB cable from the system board.
3. Press the green drive retainer latch (1) located on the right side of the drive to disengage the drive from the drive cage. While pressing the drive retainer latch, slide the drive back until it stops, then lift it up and out of the drive cage (2). NOTE: To replace the 3.5-inch drive, reverse the removal procedure. When replacing a 3.5-inch drive, transfer the four guide screws from the old drive to the new one. Installing a Drive into the 3.
3. Position the guide screws on the drive into the J-slots in the drive bay. Then slide the drive toward the front of the computer until it locks into place. 4. Connect the appropriate drive cables: a. If installing a diskette drive, connect the power and data cables to the rear of the drive and connect the other end of the data cable to the connector on the system board labeled FLOPPY. b.
Primary 3.5-inch Internal SATA Hard Drive NOTE: The system does not support Parallel ATA (PATA) hard drives. The preinstalled 3.5-inch hard drive is located under the power supply. To remove and replace the hard drive: 1. Prepare the computer for disassembly (Preparation for Disassembly on page 107). 2. Remove the access panel (Computer Access Panel on page 113). 3. Rotate the drive cage to its upright position. 4. Rotate the power supply to its upright position.
5. Disconnect the power cable (1) and data cable (2) from the back of the hard drive. 6. Press down on the green release latch next to the hard drive (1). While holding the latch down, slide the drive toward the front of the chassis until it stops, and then lift the drive up and out of the bay (2). NOTE: To install a hard drive, transfer the silver and blue isolation mounting guide screws from the old hard drive to the new hard drive.
Removable 3.5-inch SATA Hard Drive Some models are equipped with a Removable SATA Hard Drive Enclosure in the 5.25-inch external drive bay. The hard drive is housed in a carrier that can be quickly and easily removed from the drive bay. To remove and replace a drive in the carrier: 1. Unlock the hard drive carrier with the key provided and slide the carrier out of the enclosure. 2. Remove the screw from the rear of the carrier (1) and slide the top cover off the carrier (2). 3.
4. Remove the four screws from the bottom of the hard drive carrier. 5. Slide the hard drive back to disconnect it from the carrier then lift it up and out of the carrier.
6. Place the new hard drive in the carrier then slide the hard drive back so that it seats in the SATA connector on the carrier's circuit board. Be sure the connector on the hard drive is pressed all the way into the connector on the carrier's circuit board. 7. Replace the four screws in the bottom of the carrier to hold the drive securely in place.
8. Place the thermal sensor on top of the hard drive in a position that does not cover the label (1) and attach the thermal sensor to the top of the hard drive with the adhesive strip (2). 9. Slide the cover on the carrier (1) and replace the screw on the rear of the carrier to secure the cover in place (2). 10. Slide the hard drive carrier into the enclosure on the computer and lock it with the key provided. NOTE: The carrier must be locked for power to be supplied to the hard drive.
ReadyBoost Card A ReadyBoost card is installed in the computer. The card is secured to the chassis, and a cable connects the card to the system board. 1. Prepare the computer for disassembly (Preparation for Disassembly on page 107). 2. Remove the access panel (Computer Access Panel on page 113). 3. Unplug the ReadyBoost cable from the system board, and then lift the card assembly from the chassis. To install the ReadyBoost card, reverse the removal procedure.
Fan Shroud 1. Prepare the computer for disassembly (Preparation for Disassembly on page 107). 2. Remove the access panel (Computer Access Panel on page 113). 3. Lift the fan shroud straight up out of the chassis. To install the fan shroud, reverse the removal procedure.
Chassis Fan 1. Prepare the computer for disassembly (Preparation for Disassembly on page 107). 2. Remove the access panel (Computer Access Panel on page 113). 3. Remove the front bezel (Front Bezel on page 114). 4. Remove the fan shroud (Fan Shroud on page 145). 5. Disconnect the fan cable from the system board. 6.
Power Switch Assembly 1. Prepare the computer for disassembly (Preparation for Disassembly on page 107). 2. Remove the access panel (Computer Access Panel on page 113). 3. Remove the front bezel (Front Bezel on page 114). 4. Remove the chassis fan (Chassis Fan on page 146). 5. Rotate the drive cage to its upright position. 6. Disconnect the power switch/LED cable from the system board. 7.
Front I/O Device 1. Prepare the computer for disassembly (Preparation for Disassembly on page 107). 2. Remove the access panel (Computer Access Panel on page 113). 3. Remove the front bezel (Front Bezel on page 114). 4. Rotate the drive cage to its upright position. 5. Disconnect the two front I/O cables from the system board. 6. Remove the screw that secures the front I/O device to the chassis (1). 7.
Heatsink 1. Prepare the computer for disassembly (Preparation for Disassembly on page 107). 2. Remove the access panel (Computer Access Panel on page 113). 3. Remove the fan shroud (Fan Shroud on page 145). 4. Disconnect the heatsink fan control cable from the system board. 5. Loosen the four captive screws that secure the heatsink to the system board tray (1).
Processor 1. Prepare the computer for disassembly (Preparation for Disassembly on page 107). 2. Remove the access panel (Computer Access Panel on page 113). 3. Remove the fan shroud (Fan Shroud on page 145). 4. Remove the heatsink (Heatsink on page 149). 5. Rotate the locking lever to its full open position (1). 6. Raise and rotate the microprocessor retainer to its fully open position (2). 7. Carefully lift the processor from the socket (3).
4. Apply the thermal grease provided in the spares kit to the top of the processor and install the heatsink atop the processor. 5. Go to step 7. 6. If using a new heatsink, remove the protective covering from the bottom of the heatsink and place it in position atop the processor. 7. Secure the heatsink to the system board and system board tray with the four captive screws and attach the heatsink control cable to the system board.
Power Supply WARNING! Voltage is always present on the system board when the computer is plugged into an active AC outlet. To avoid possible personal injury and damage to the equipment the power cord should be disconnected from the computer and/or the AC outlet before opening the computer. 1. Prepare the computer for disassembly (Preparation for Disassembly on page 107). 2. Remove the access panel (Computer Access Panel on page 113). 3.
System Board 1. Prepare the computer for disassembly (Preparation for Disassembly on page 107). 2. Remove the access panel (Computer Access Panel on page 113). 3. Remove all PCI and PCI Express expansion boards (Expansion Cards on page 120). 4. Remove the fan shroud from the chassis (Fan Shroud on page 145). 5. Rotate the drive cage to its upright position. 6. Rotate the power supply to its full upright position. 7. Disconnect all data and power cables from the system board.
8. Disconnect the serial port from the system board. 9. Disconnect the balance of the cables from the system board. 10. Remove the heatsink (Heatsink on page 149). 11. Remove the eight screws that secure the system board to the chassis (1). 12. Lift up the front of the system board (2), and then pull the system board forward, up, and out of the chassis (3). To install the system board, reverse the removal procedure. NOTE: BIOS.
CAUTION: Before reinstalling the heatsink you must clean the top of the processor and the bottom of the heatsink with an alcohol pad supplied in the spares kit. After the alcohol has evaporated, apply thermal grease to the top of the processor from the syringe supplied in the spares kit. CAUTION: When reconnecting the cables it is important that they be positioned so they do not interfere with the rotation of the drive cage or power supply. Backwall 1.
8. Remove the four screws that secure the backwall assembly to the chassis (1), slide the backwall assembly toward the front of the chassis (2), and then lift it out of the chassis (3). To replace the backwall, reverse the removal procedures. Battery The battery that comes with your computer provides power to the real-time clock and has a lifetime of about three years. When replacing the battery, use a battery equivalent to the battery originally installed on the computer.
CAUTION: Static electricity can damage the electronic components of the computer or optional equipment. Before beginning these procedures, ensure that you are discharged of static electricity by briefly touching a grounded metal object. 1. Prepare the computer for disassembly (Preparation for Disassembly on page 107). 2. Remove the access panel (Computer Access Panel on page 113). NOTE: It may be necessary to remove an expansion card to gain access to the battery. 3.
2. To insert the new battery, slide one edge of the replacement battery under the holder’s lip with the positive side up (2). Push the other edge down until the clamp snaps over the other edge of the battery. 3. Replace the computer access panel. 4. Plug in the computer and turn on power to the computer. 5. Reset the date and time, your passwords, and any special system setups, using Computer Setup. Refer to the Computer Setup (F10) Utility Guide. Type 3 Battery Holder 1.
9 Removal and Replacement Procedures Ultra-Slim Desktop (USDT) Chassis Adherence to the procedures and precautions described in this chapter is essential for proper service. After completing all necessary removal and replacement procedures, run the Diagnostics utility to verify that all components operate properly. NOTE: Not all features listed in this guide are available on all computers.
External Security Devices The following security devices are used to prevent unauthorized access to the internal components of the computer and/or secure the computer to a fixed object. Cable Lock There are two cable lock slots on the rear of the computer. The slot next to the thumbscrew should be used when there is no port cover. The slot on the far right should be used when a port cover is installed.
HP Business PC Security Lock 1. Fasten the security cable by looping it around a stationary object. 2. Thread the keyboard and mouse cables through the lock.
3. Screw the lock to the chassis using the screw provided. 4. Insert the plug end of the security cable into the lock (1) and push the button in (2) to engage the lock. Use the key provided to disengage the lock.
Computer Access Panel To access internal components, you must remove the access panel: 1. Prepare the computer for disassembly (Preparation for Disassembly on page 159). 2. Loosen the thumbscrew on the rear of the computer (1), slide the access panel toward the front of the computer, and then lift it off (2). To replace the computer access panel, reverse the removal procedures.
Front Bezel 1. Prepare the computer for disassembly (Preparation for Disassembly on page 159). 2. Remove the computer access panel (Computer Access Panel on page 163). 3. Lift the fan up and place it on top of the optical drive to access the front bezel release tabs. You do not need to disconnect the fan cable from the system board. 4. Press the two release tabs on the inside of the bezel towards the right side of the computer (1), and then rotate the bezel off from right to left (2).
Bezel Blanks On some models, there is a bezel blank covering the external drive bay that needs to be removed before installing a drive. To remove a bezel blank: 1. Prepare the computer for disassembly (Preparation for Disassembly on page 159). 2. Remove the computer access panel (Computer Access Panel on page 163). 3. Remove the front bezel (Front Bezel on page 164). 4.
Memory The computer comes with double data rate 2 synchronous dynamic random access memory (DDR2SDRAM) small outline dual inline memory modules (SODIMMs). SODIMMs The memory sockets on the system board can be populated with up to two industry-standard SODIMMs. These memory sockets are populated with at least one preinstalled SODIMM. To achieve the maximum memory support, you can populate the system board with up to 4 GB of memory.
Populating SODIMM Sockets Item Description Socket Color 1 SODIMM1 socket, Channel A Black 2 SODIMM3 socket, Channel B White NOTE: A SODIMM must occupy the black DIMM1 socket. Otherwise, the system will display a POST error message indicating that a memory module must be installed in the black socket. The system will automatically operate in single channel mode, dual channel mode, or flex mode, depending on how the SODIMMs are installed.
4. If you are adding a second SODIMM, remove the SODIMM from the top DIMM1 socket to access the bottom DIMM3 socket. Press outward on the two latches on each side of the SODIMM (1) then pull the SODIMM out of the socket (2). 5. Slide the new SODIMM into the socket at approximately a 30° angle (1) then press the SODIMM down (2) so that the latches lock it in place. NOTE: A memory module can be installed in only one way. Match the notch on the module with the tab on the memory socket.
Cable Management Always follow good cable management practices when working inside the computer. ● Keep cables away from major heat sources like the heatsink. ● Do not jam cables on top of expansion cards or memory modules. Printed circuit cards like these are not designed to take excessive pressure on them. ● Keep cables clear of sliding or moveable parts to prevent their being cut or crimped when the parts are moved. ● Do not bend any cable sharply. A sharp bend can break the internal wires.
Cable Connections System board connectors are color-coded to make it easier to find the proper connection. System Board Connections System Board Connector Description Optical data/power P21, SECONDARY Front Chassis fan P8, CHFAN1 Rear chassis fan P9, CHFAN2 Speaker P6, SPKR Hood sensor P125, HSENSE Optical Drive An optical drive is a DVD-ROM drive, a DVD/CD-RW Combo drive, or a SuperMulti LightScribe drive. Removing the Optical Drive 1.
4. Slide the drive all the way out of the bay through the front bezel. Preparing a New Optical Drive Before you can use the new optical drive, attach the release latch. 1. Peel the backing off the adhesive on the release latch. 2. Without allowing the release latch to touch the optical drive, carefully align the holes on the release latch with the pins on the side of the optical drive. Make sure the release latch is oriented properly. 3.
Installing a New Optical Drive NOTE: If you are installing an optical drive in a bay that did not previously have a drive in it, you must remove the access panel and the bezel blank covering the opening of the bay before proceeding. Follow the procedures in Computer Access Panel on page 163 and Bezel Blanks on page 165. 1. Attach the release latch to the new optical drive. Refer to Preparing a New Optical Drive on page 171. 2. Align the optical drive with the opening in the front bezel.
4. Connect the cable to the rear of the optical drive (1), and then slide the drive the rest of the way into the bay so that it locks in place (2). Optical Drive Connector 1. Prepare the computer for disassembly (Preparation for Disassembly on page 159). 2. Remove the computer access panel (Computer Access Panel on page 163). 3. Remove the optical drive (Removing the Optical Drive on page 170). 4.
Hard Drive NOTE: The Ultra-Slim Desktop supports only 2.5-inch Serial ATA (SATA) internal hard drives; parallel ATA (PATA) internal hard drives are not supported. The 2.5-inch hard drive is enclosed in a carrier under the optical drive. 1. Prepare the computer for disassembly (Preparation for Disassembly on page 159). 2. Remove the computer access panel (Computer Access Panel on page 163). 3. Remove the optical drive. Refer to Removing the Optical Drive on page 170 for instructions. 4.
6. To remove the hard drive from the carrier, remove the guide screw from the front left side of the carrier. 7. Slide the carrier back and remove the hard drive.
8. Transfer the three remaining guide screws (two on the right and one on the rear left) from the old drive to the new drive. 9. Align the guide screws with the slots on the carrier and slide the new hard drive into the carrier (1), then replace the guide screw on the front left of the carrier to secure the drive in the carrier (2).
10. To place the hard drive carrier back in the chassis, align the guide screws with the slots on the drive bay, drop the carrier straight down into the drive bay (1), and press the handle on the carrier all the way down to the down (2) so that the drive is properly seated and locked in place. NOTE: No configuration of the SATA hard drive is necessary; the computer automatically recognizes it the next time you turn on the computer.
Hard Drive Cage 1. Prepare the computer for disassembly (Preparation for Disassembly on page 159). 2. Remove the computer access panel (Computer Access Panel on page 163). 3. Remove the optical drive (Removing the Optical Drive on page 170). 4. Remove the hard drive (Hard Drive on page 174). 5. Remove the optical disk drive connector (Optical Drive Connector on page 173). 6.
Port Cover An optional rear port cover is available for the computer. To install the port cover: 1. Thread the cables through the bottom hole on the port cover (1) and connect the cables to the rear ports on the computer. 2. Insert the hooks on the port cover into the slots on the rear of the chassis, then slide the cover to the right to secure it in place (2). NOTE: For security purposes, you can install an optional cable lock to the chassis that locks the port cover and secures the computer.
ReadyBoost Card A ReadyBoost card is installed in the computer. The card is secured to the chassis, and a cable connects the card to the system board. 1. Prepare the computer for disassembly (Preparation for Disassembly on page 159). 2. Remove the computer access panel (Computer Access Panel on page 163). 3. Unplug the ReadyBoost cable from the system board, and then lift the card assembly from the chassis. To install the ReadyBoost card, reverse the removal procedure.
Fan 1. Prepare the computer for disassembly (Preparation for Disassembly on page 159). 2. Remove the computer access panel (Computer Access Panel on page 163). 3. Disconnect the fan control cable from the system board. 4. Lift the fan straight up and out of the chassis. To install the fan, reverse the removal procedure.
Speaker 1. Prepare the computer for disassembly (Preparation for Disassembly on page 159). 2. Remove the computer access panel (Computer Access Panel on page 163). 3. Remove the front bezel (Front Bezel on page 164). 4. Remove the hard drive (Hard Drive on page 174). 5. Remove the hard drive cage (Hard Drive Cage on page 178). 6. Remove the optical drive (Removing the Optical Drive on page 170). 7. Disconnect the speaker cable from the system board. 8.
I/O Panel 1. Prepare the computer for disassembly (Preparation for Disassembly on page 159). 2. Remove the computer access panel (Computer Access Panel on page 163). 3. Remove the screw from the left side of the panel that holds the I/O panel in place (1). 4. Press the tab on left side of the panel (2), and then swing the panel toward right to remove it from the unit (3). To install the I/O panel, reverse the disassembly steps.
Heatsink 1. Prepare the computer for disassembly (Preparation for Disassembly on page 159). 2. Remove the computer access panel (Computer Access Panel on page 163). 3. Lift the fan up and place it on top of the optical drive to access the front bezel release tabs. You do not need to disconnect the fan cable from the system board. 4. Unscrew the four screws that secure the heatsink to the system board, and then lift the heatsink from the system board.
5. Lay the heatsink on its top in a safe area to prevent the thermal grease from contaminating the work surface. If reusing the existing heatsink go to step 1. If using a new heatsink, go to step 3. 1. If reusing the existing heatsink, clean bottom of the heatsink and apply the thermal grease provided in the spares kit to the top of the processor. 2. Position the heatsink atop the processor. 3.
Processor 1. Prepare the computer for disassembly (Preparation for Disassembly on page 159). 2. Remove the computer access panel (Computer Access Panel on page 163). 3. Remove the heatsink (Heatsink on page 184). 4. Rotate the processor locking lever to its full open position (1). 5. Raise and rotate the microprocessor retainer to its fully open position (2). 6. Carefully lift the processor from the socket (3). CAUTION: Do NOT handle the pins in the processor socket.
5. If using a new heatsink, remove the protective covering from the bottom of the heatsink and place it in position atop the processor. 6. Secure the heatsink to the system board and system board tray with the 4 captive screws and attach the heatsink control cable to the system board. CAUTION: Heatsink retaining screws should be tightened in diagonally opposite pairs (as in an X) to evenly seat the heatsink on the processor.
12. Lift the rear of the system board until it clears the chassis (3), and then remove the system board from the chassis (4). To install the system board, reverse the removal procedure. NOTE: BIOS. When replacing the system board, you must also change the chassis serial number in the Rear Chassis Fan 1. Prepare the computer for disassembly (Preparation for Disassembly on page 159). 2. Remove the computer access panel (Computer Access Panel on page 163). 3.
10. Lift the fan out of the chassis (2). To install the fan, reverse the removal procedures. Battery The battery that comes with your computer provides power to the real-time clock and has a lifetime of about three years. When replacing the battery, use a battery equivalent to the battery originally installed on the computer. The computer comes with a 3-volt lithium coin cell battery. NOTE: The lifetime of the lithium battery can be extended by plugging the computer into a live AC wall socket.
CAUTION: Static electricity can damage the electronic components of the computer or optional equipment. Before beginning these procedures, ensure that you are discharged of static electricity by briefly touching a grounded metal object. 1. Prepare the computer for disassembly (Preparation for Disassembly on page 159). 2. Remove the computer access panel (Computer Access Panel on page 163). 3. Pull back on the clip (1) that holds the battery in place, then remove the battery (2). 4.
A Connector Pin Assignments This appendix contains the pin assignments for many computer and workstation connectors. Some of these connectors may not be used on the product being serviced.
Ethernet RJ-45 Connector and Icon Pin Signal 1 (+) Transmit Data 2 (-) Transmit Data 3 (+) Receive Data 4 Unused 5 Unused 6 (-) Receive Data 7 Unused 8 Unused Ethernet AUI Connector and Icon Pin Signal Pin Signal 1 Ground 9 Positive AUI Differential Receive 2 Negative AUI Differential Collision 10 +12V 3 Positive AUI Differential Collision 11 Ground 4 Negative AUI Differential Transmit 12 Ground 5 Positive AUI Differential Transmit 13 Unused 6 Ground 14 Unused
Parallel Interface Connector and Icon Pin Signal Pin Signal 1 Strobe 10 Acknowledge 2 Data Bit 0 11 Busy 3 Data Bit 1 12 Paper End 4 Data Bit 2 13 Select 5 Data Bit 3 14 Auto Linefeed 6 Data Bit 4 15 Error 7 Data Bit 5 16 Initialize Printer 8 Data Bit 6 17 Select IN 9 Data Bit 7 18–25 Signal Ground Serial Interface, Powered and Non-Powered Connector and Icon Pin Signal 1 Carrier Detect (12V if powered) 2 Receive Data 3 Transmit Data 4 Data Terminal Ready 5
USB Connector and Icon Pin Signal 1 +5 VDC 2 - Data 3 + Data 4 Ground Pin Signal 1 (Tip) Audio_left 2 (Ring) Power_Right 3 (Shield) Audio_right Pin Signal 1 (Tip) Audio_left 2 (Ring) Power_Right 3 (Shield) Ground Pin Signal 1 (Tip) Audio_In_Left 2 (Ring) Audio_In_Right 3 (Shield) Ground Pin Signal 1 (Tip) Audio_Out_Left 2 (Ring) Audio_Out_Right 3 (Shield) Ground Microphone Connector and Icon (1/8” miniphone) 1 2 3 Headphone Connector and Icon (1/8” miniphone) 1
External Infrared Transceiver Connector and Icon Pin Signal 1 Transmit 2 Receive 3 Ground 4 5V 5 Mode 6 Not Used 7 Not Used 8 Not Used Monitor Connector and Icon Pin Signal Pin Signal 1 Red Analog 9 +5V (fused) 2 Green Analog 10 Ground 3 Blue Analog 11 Not used 4 Not used 12 DDC Serial Data 5 Ground 13 Horizontal Sync 6 Ground 14 Vertical Sync 7 Ground 15 DDC Serial Clock 8 Ground External Infrared Transceiver 195
ATA/ATAPI (IDE) Standard Drive Cable Connector Pin Signal Pin Signal Pin Signal 1 Reset 15 DD1 29 DMAK 2 Ground 16 DD14 30 Ground 3 DD7 17 DD0 31 INTRQ 4 DD8 18 DD15 32 IOCS16 5 DD6 19 Ground 33 DA1 6 DD9 20 (Key) 34 PDIAG (cable detect) 7 DD5 21 DMARQ 35 DA0 8 DD10 22 Ground 36 DA2 9 DD4 23 DIOW 37 CS1FX 10 DD11 24 Ground 38 CS3FX 11 DD3 25 DIOR 39 DASP 12 DD12 26 Ground 40 Ground 13 DD2 27 IORDY 14 DD13 28 CSEL 196 Appe
CD-ROM 50-Pin Connector Connector Pin Signal Pin Signal Pin Signal Pin Signal 1 Audio L-ch 14 DD12 27 IORDY 40 +5V 2 Audio R-ch 15 DD3 28 DMACK 41 +5V 3 Audio GND 16 DD13 29 INTRQ 42 +5V 4 GND 17 DD2 30 IOCS16 43 GND 5 RESET 18 DD14 31 DA1 44 GND 6 DD8 19 DD1 32 PDIAG 45 GND 7 DD7 20 DD15 33 DA0 46 GND 8 DD9 21 DD0 34 DA2 47 CSEL 9 DD6 22 DMARQ 35 CS1FX 48 GND 10 DD10 23 GND 36 CS3FX 49 Vendor-specific 11 DD5 24 DIOR
24-Pin MicroFit Power (CMT, SFF) Connector 24 13 Front 12 1 Pin Signal Pin Signal Pin Signal Pin Signal 1 +5 Vaux 7 PWRGD 13 +12V 19 GND 2 GND 8 +3.3V 14 +5V Sense 20 +3.3V 3 +5V 9 +3.3V 15 GND 21 Sense 4 +5V 10 Tach 16 +5V 22 +3.3V 5 PS_ON 11 GND 17 +5V 23 +3.3V 6 GND 12 Fan-CMD 18 +3.
SATA Data and Power Drive Connector Pin Signal Pin Signal Pin Signal Pin Signal S1 Ground S2 A+ S3 A- S4 Ground S5 B- S6 B+ S7 Ground P1 Ground P2 V 3.3 P3 V 3.
52 PERp8 57 PERn9 62 GND 67 GND 72 PERp13 53 PERN8 58 GND 63 GND 68 PERp12 73 PERn13 54 GND 59 GND 64 PERp11 69 PERn12 74 GND 55 GND 60 PERp10 65 PERn11 70 GND 75 GND 76 PERp14 81 PERn15 77 PERn14 82 GND 78 GND 79 GND 80 PERp15 NOTE: x1 PCI Express uses pins 1-18 x4 PCI Express uses pins 1-32 x8 PCI Express uses pins 1-49 x16 PCI Express uses pins 1-8 PCI Express x1, x4, x8, and x16 PCI Express Connector Pin B Pin Signal Pin Signal Pin Signal Pin
52 GND 57 GND 62 PETp11 67 PETn12 72 GND 53 GND 58 PETp10 63 PETn11 68 GND 73 GND 54 PETp9 59 PETn10 64 GND 69 GND 74 PETp14 55 PETn9 60 GND 65 GND 70 PETp13 75 PETn14 76 GND 81 PRSNT2# 77 GND 82 RSVD 78 PETp15 79 PETn15 80 GND NOTE: x1 PCI Express uses pins 1-18 x4 PCI Express uses pins 1-32 x8 PCI Express uses pins 1-49 x16 PCI Express uses pins 1-8 PCI Express Mini Card PCI Express Mini Card Connector Pin Signal Pin Signal Pin Signal Pin Si
31 PETn0 37 Reserved* 43 Reserved* 49 Reserved* 32 SMB_DATA 38 USB_D+ 44 LED_WLAN# 50 GND 33 PETp0 39 Reserved* 45 Reserved* 51 Reserved* 34 GND 40 GND 46 LED_WPAN# 52 +3.3V 36 GND 41 Reserved* 47 Reserved* 36 USB_D- 42 LED_WWAN# 48 +1.
B Power Cord Set Requirements The power supplies on some computers have external power switches. The voltage select switch feature on the computer permits it to operate from any line voltage between 100-120 or 220-240 volts AC. Power supplies on those computers that do not have external power switches are equipped with internal switches that sense the incoming voltage and automatically switch to the proper voltage.
Country-Specific Requirements Additional requirements specific to a country are shown in parentheses and explained below. Country Accrediting Agency Country Accrediting Agency Australia (1) EANSW Italy (1) IMQ Austria (1) OVE Japan (3) METI Belgium (1) CEBC Norway (1) NEMKO Canada (2) CSA Sweden (1) SEMKO Denmark (1) DEMKO Switzerland (1) SEV Finland (1) SETI United Kingdom (1) BSI France (1) UTE United States (2) UL Germany (1) VDE 1.
C POST Error Messages This appendix lists the error codes, error messages, and the various indicator light and audible sequences that you may encounter during Power-On Self-Test (POST) or computer restart, the probable source of the problem, and steps you can take to resolve the error condition. POST Message Disabled suppresses most system messages during POST, such as memory count and non-error text messages. If a POST error occurs, the screen will display the error message.
POST Numeric Codes and Text Messages This section covers those POST errors that have numeric codes associated with them. The section also includes some text messages that may be encountered during POST. NOTE: The computer will beep once after a POST text message is displayed on the screen. Table C-1 Numeric Codes and Text Messages Control panel message Description Recommended action 101-Option ROM Checksum Error System ROM or expansion board option ROM checksum. 1. Verify the correct ROM. 2.
Table C-1 Numeric Codes and Text Messages (continued) Control panel message Description Recommended action contact an authorized dealer or reseller for RTC battery replacement. 163-Time & Date Not Set CMOS jumper may not be properly installed. Check for proper placement of the CMOS jumper if applicable. 164-MemorySize Error Memory amount has changed since the last boot (memory added or removed). Press the F1 key to save the memory changes. 164-MemorySize Error Memory configuration incorrect. 1.
Table C-1 Numeric Codes and Text Messages (continued) Control panel message Description Recommended action 303-Keyboard Controller Error I/O board keyboard controller. 1. Reconnect keyboard with computer turned off. 2. Replace the system board. 1. Reconnect the keyboard with computer turned off. 2. Ensure that none of the keys are depressed. 3. Replace the keyboard. 4. Replace the system board. 1. Remove any parallel port expansion cards. 2. Clear CMOS. 3.
Table C-1 Numeric Codes and Text Messages (continued) Control panel message 605-Diskette Drive Type Error Description Recommended action Mismatch in drive type. 4. Replace diskette drive. 5. Replace the system board. 1. Run Computer Setup. 2. Disconnect any other diskette controller devices (tape drives). 3. Clear CMOS. 610-External Storage Device Failure External tape drive not connected. Reinstall tape drive or press F1 and allow system to reconfigure without the drive.
Table C-1 Numeric Codes and Text Messages (continued) Control panel message Description Recommended action 1720-SMART Hard Drive Detects Imminent Failure Hard drive is about to fail. (Some hard drives have a hard drive firmware patch that will fix an erroneous error message.) 1. Determine if hard drive is giving correct error message. Enter Computer Setup and run the Drive Protection System test under Storage > DPS Self-test. 2. Apply hard drive firmware patch if applicable.
Table C-1 Numeric Codes and Text Messages (continued) Control panel message Description Recommended action 2202-PMM Deallocation Error during MEBx cleanup Memory error during POST execution of the Management Engine (ME) BIOS Extensions option ROM 1. Reboot the computer. 2. Unplug the power cord, re-seat the memory modules, and reboot the computer. 3. If the memory configuration was recently changed, unplug the power cord, restore the original memory configuration, and reboot the computer. 4.
Table C-1 Numeric Codes and Text Messages (continued) Control panel message Description Recommended action Parity Check 2 Parity RAM failure. Run Computer Setup and Diagnostic utilities. System will not boot without fan CPU fan not installed or disconnected in VSFF chassis. 1. Remove the computer cover, press the power button, and see if the processor fan spins. If the processor fan is not spinning, make sure the fan's cable is plugged onto the system board header.
Table C-2 Diagnostic Front Panel LEDs and Audible Codes (continued) Activity Beeps Possible Cause Recommended Action Red Power LED flashes three times, once every second, followed by a two second pause. Beeps stop after fifth iteration but LEDs continue until problem is solved. 3 Processor not installed (not an indicator of bad processor). 1. Check to see that the processor is present. 2. Reseat the processor. Red Power LED flashes four times, once every second, followed by a two second pause.
Table C-2 Diagnostic Front Panel LEDs and Audible Codes (continued) Activity Beeps Possible Cause Recommended Action Red Power LED flashes eight times, once every second, followed by a two second pause. Beeps stop after fifth iteration but LEDs continue until problem is solved. 8 Invalid ROM based on bad 1. checksum. Red Power LED flashes nine times, once every second, followed by a two second pause. Beeps stop after fifth iteration but LEDs continue until problem is solved.
Table C-2 Diagnostic Front Panel LEDs and Audible Codes (continued) Activity Beeps Possible Cause Recommended Action 3. Check that both power supply cables are properly connected to the system board. 4. Check to see if the 5V_aux light on the system board is turned on. If it is turned on, then replace the power button harness. If the problem persists, replace the system board. 5.
D Troubleshooting Without Diagnostics This chapter provides information on how to identify and correct minor problems, such as diskette drive, hard drive, optical drive, graphics, audio, memory, and software problems. If you encounter problems with the computer, refer to the tables in this chapter for probable causes and recommended solutions.
● Boot the computer to the Safe Mode to see if it will boot without all of the drivers loaded. When booting the operating system, use “Last Known Configuration.” ● Refer to the comprehensive online technical support at http://www.hp.com/support. ● Refer to the following Helpful Hints on page 217 section in this guide. To assist you in resolving problems online, HP Instant Support Professional Edition provides you with self-solve diagnostics.
● Check all cable connections for loose connections or incorrect connections. ● Wake the computer by pressing any key on the keyboard or pressing the power button. If the system remains in suspend mode, shut down the computer by pressing and holding the power button for at least four seconds then press the power button again to restart the computer. If the system will not shut down, unplug the power cord, wait a few seconds, then plug it in again.
Solving General Problems You may be able to easily resolve the general problems described in this section. If a problem persists and you are unable to resolve it yourself or if you feel uncomfortable about performing the operation, contact an authorized dealer or reseller. WARNING! When the computer is plugged into an AC power source, voltage is always applied to the system board.
Table D-1 Solving General Problems (continued) There is no sound or sound volume is too low. Cause Solution System volume may be set low or muted. 1. Check the F10 BIOS settings to make sure the internal system speaker is not muted (this setting does not affect the external speakers). 2. Make sure the external speakers are properly connected and powered on and that the speakers' volume control is set correctly. 3.
Table D-1 Solving General Problems (continued) Poor performance is experienced. Cause Solution (Windows Vista) and type msconfig. On the Startup tab of the System Configuration Utility, uncheck applications that you do not want to launch automatically. Some software applications, especially games, are stressful on the graphics subsystem Cause unknown. 1.
Table D-1 Solving General Problems (continued) System does not power on and the LEDs on the front of the computer are not flashing. Cause Solution 3. Check that both power supply cables are properly connected to the system board. 4. Check to see if the 5V_aux light on the system board is turned on. If it is turned on, then replace the power button harness. 5. If the 5V_aux light on the system board is off, then replace the power supply. 6. Replace the system board.
Table D-2 Solving Power Problems (continued) Power LED flashes Red four times, once every second, followed by a two second pause, and the computer beeps four times. (Beeps stop after fifth iteration but LEDs continue flashing.) Cause Solution Power failure (power supply is overloaded). 1. Check that the voltage selector, located on the rear of the power supply (some models), is set to the appropriate voltage. Proper voltage setting depends on your region. 2.
Table D-3 Solving Diskette Problems (continued) Drive not found. Cause Solution Cable is loose. Reseat diskette drive data and power cable. Removable drive is not seated properly. Reseat the drive. The device has been hidden in Computer Setup. Run the Computer Setup utility and ensure Device Available is selected for the Legacy Diskette in Security > Device Security. Diskette drive cannot write to a diskette. Cause Solution Diskette is not formatted. Format the diskette. 1.
Table D-3 Solving Diskette Problems (continued) A problem has occurred with a disk transaction. Cause Solution The directory structure is bad, or there is a problem with a file. In Microsoft Windows XP, right-click Start, click Explore, and select a drive. Select File > Properties > Tools. Under Errorchecking, click Check Now. In Microsoft Windows Vista, right-click Start, click Explore, and right-click on a drive. Select Properties then select the Tools tab. Under Error-checking click Check Now.
Solving Hard Drive Problems Table D-4 Solving Hard Drive Problems Hard drive error occurs. Cause Solution Hard disk has bad sectors or has failed. 1. In Microsoft Windows XP, right-click Start, click Explore, and select a drive. Select File > Properties > Tools. Under Error-checking, click Check Now. In Microsoft Windows Vista, right-click Start, click Explore, and right-click on a drive. Select Properties then select the Tools tab. Under Errorchecking click Check Now. 2.
Table D-4 Solving Hard Drive Problems (continued) Nonsystem disk/NTLDR missing message. Cause Solution The system is trying to start from a diskette that is not bootable. Remove the diskette from the diskette drive. The system is trying to start from the hard drive but the hard drive may have been damaged. System files missing or not properly installed. 1. Insert a bootable diskette into the diskette drive and restart the computer. 2.
Table D-4 Solving Hard Drive Problems (continued) Computer seems to be locked up. Cause Solution off the power. To restart the computer, press the power button again. The removable hard drive has no power to the hard drive enclosure. Cause Solution The lock on the enclosure is not turned to the “ON” position. Insert the key and turn the lock clockwise 90 degrees. The green LED on the front of the enclosure should be on.
Table D-5 Solving Media Card Reader Problems (continued) A write-protected or locked error occurs when attempting to write to the media card. Cause Solution Media card is locked. Locking the media card is a safety feature that prevents writing to and deleting from an SD/Memory Stick/ PRO card. If using an SD card, make sure that the lock tab located on the right of the SD card is not in the locked position.
Solving Display Problems If you encounter display problems, see the documentation that came with the monitor and to the common causes and solutions listed in the following table. Table D-6 Solving Display Problems Blank screen (no video). Cause Solution Monitor is not turned on and the monitor light is not on. Turn on the monitor and check that the monitor light is on. Bad monitor. Try a different monitor. The cable connections are not correct.
Table D-6 Solving Display Problems (continued) Blank screen and the power LED flashes Red five times, once every second, followed by a two second pause, and the computer beeps five times. (Beeps stop after fifth iteration but LEDs continue flashing.) Cause Solution Pre-video memory error. 1. Reseat DIMMs. Power on the system. 2. Replace DIMMs one at a time to isolate the faulty module. 3. Replace third-party memory with HP memory. 4. Replace the system board.
Table D-6 Solving Display Problems (continued) Blurry video or requested resolution cannot be set. Cause Solution If the graphics controller was upgraded, the correct graphics drivers may not be loaded. Install the video drivers included in the upgrade kit. Monitor is not capable of displaying requested resolution. Change requested resolution. Graphics card is bad. Replace the graphics card. The picture is broken up, rolls, jitters, or flashes.
Table D-6 Solving Display Problems (continued) Vibrating or rattling noise coming from inside a CRT monitor when powered on. Cause Solution Monitor degaussing coil has been activated. None. It is normal for the degaussing coil to be activated when the monitor is powered on. Clicking noise coming from inside a CRT monitor. Cause Solution Electronic relays have been activated inside the monitor. None.
Table D-7 Solving Audio Problems Sound cuts in and out. Cause Solution Processor resources are being used by other open applications. Shut down all open processor-intensive applications. Direct sound latency, common in many media player applications. In Windows XP only: 1. From the Control Panel, select Sounds and Audio Devices. 2. On the Audio tab, select a device from the Sound Playback list. 3. Click the Advanced button and select the Performance tab. 4.
Table D-7 Solving Audio Problems (continued) Sound from headphones is not clear or muffled. Cause Solution Headphones are plugged into the rear audio output connector. The rear audio output connector is for powered audio devices and is not designed for headphone use. Plug the headphones into the headphone connector on the front of the computer. Computer appears to be locked up while recording audio. Cause Solution The hard disk may be full.
Table D-8 Solving Printer Problems (continued) Printer prints garbled information. Cause Solution The correct printer driver for the application is not installed. Install the correct printer driver for the application. The cables may not be connected properly. Reconnect all cables. Printer memory may be overloaded. Reset the printer by turning it off for one minute, then turn it back on. Printer is offline. Cause Solution The printer may be out of paper.
Table D-9 Solving Keyboard Problems (continued) Cursor will not move using the arrow keys on the keypad. Cause Solution The Num Lock key may be on. Press the Num Lock key. The Num Lock light should not be on if you want to use the arrow keys. The Num Lock key can be disabled (or enabled) in Computer Setup. Table D-10 Solving Mouse Problems Mouse does not respond to movement or is too slow. Cause Solution Mouse connector is not properly plugged into the back of the computer.
device and configures the computer. If you install a non–plug and play device, you must reconfigure the computer after completing installation of the new hardware. In Windows, use the Add Hardware Wizard and follow the instructions that appear on the screen. WARNING! When the computer is plugged into an AC power source, voltage is always applied to the system board.
Table D-11 Solving Hardware Installation Problems (continued) Power LED flashes Red five times, once every second, followed by a two second pause, and the computer beeps five times. (Beeps stop after fifth iteration but LEDs continue flashing.) Cause Solution 1. Reseat DIMMs. Power on the system. 2. Replace DIMMs one at a time to isolate the faulty module. NOTE: DIMM 1 must always be installed. 3. Replace third-party memory with HP memory. 4. Replace the system board.
Table D-12 Solving Network Problems Wake-on-LAN feature is not functioning. Cause Solution Wake-on-LAN is not enabled. To enable Wake-on-LAN in Windows XP: 1. Select Start > Control Panel. 2. Double-click Network Connections. 3. Double-click Local Area Connection. 4. Click Properties. 5. Click Configure. 6. Click the Power Management tab, then select the check box to Allow this device to bring the computer out of standby. To enable Wake-on-LAN in Windows Vista: 1.
Table D-12 Solving Network Problems (continued) Network status link light never flashes. NOTE: The network status light is supposed to flash when there is network activity. Cause Solution Network controller is not set up properly. Check for the device status within Windows, such as Device Manager for driver load and the Network Connections applet within Windows for link status. Network controller is disabled. 1. Run Computer Setup and enable network controller. 2.
Table D-12 Solving Network Problems (continued) Network controller stopped working when an expansion board was added to the computer. Cause Solution The network controller requires drivers. Verify that the drivers were not accidentally deleted when the drivers for a new expansion board were installed. The expansion board installed is a network card (NIC) and conflicts with the embedded NIC. Under the Computer Setup Advanced menu, change the resource settings for the board.
CAUTION: Power may still be supplied to the DIMMs when the computer is turned off (depending on the Management Engine (ME) settings). To avoid damage to the DIMMs or the system board, you must unplug the computer power cord before attempting to reseat, install, or remove a DIMM module. For those systems that support ECC memory, HP does not support mixing ECC and non-ECC memory. Otherwise, the computer will not boot the operating system.
Table D-13 Solving Memory Problems (continued) Power LED flashes Red five times, once every second, followed by a two second pause, and the computer beeps five times. (Beeps stop after fifth iteration but LEDs continue flashing.) Cause Solution Memory is installed incorrectly or is bad. 1. Reseat DIMMs. Power on the system. 2. Replace DIMMs one at a time to isolate the faulty module. 3. Replace third-party memory with HP memory. 4. Replace the system board.
Table D-15 Solving CD-ROM and DVD Problems System will not boot from CD-ROM or DVD drive. Cause Solution The device is attached to a SATA port that has been hidden in Run the Computer Setup utility and ensure Device Available the Computer Setup utility. is selected for the device's SATA port in Security > Device Security. Removable Media Boot is disabled in the Computer Setup utility. Run the Computer Setup utility and enable booting to removable media in Storage > Storage Options.
Table D-15 Solving CD-ROM and DVD Problems (continued) Movie will not play in the DVD drive. Cause Solution Movie rating locked out by parental lock. Use DVD software to remove parental lock. Media installed upside down. Reinstall media. Cannot eject compact disc (tray-load unit). Cause Solution Disc not properly seated in the drive. Turn off the computer and insert a thin metal rod into the emergency eject hole and push firmly.
Solving Drive Key Problems If you encounter Drive Key problems, common causes and solutions are listed in the following table. Table D-16 Solving Drive Key Problems USB Drive Key is not seen as a drive letter in Windows. Cause Solution The drive letter after the last physical drive is not available. Change the default drive letter for the Drive Key in Windows. USB Drive Key not found (identified). Cause Solution The device is attached to a USB port that has been hidden in Computer Setup.
Table D-17 Solving Front Panel Component Problems A USB device, headphone, or microphone is not recognized by the computer. Cause Solution Device is not properly connected. 1. Turn off the computer. 2. Reconnect the device to the front of the computer and restart the computer. The device does not have power. If the USB device requires AC power, be sure one end is connected to the device and one end is connected to a live outlet. The correct device driver is not installed. 1.
Table D-18 Solving Internet Access Problems (continued) Unable to connect to the Internet. Cause Solution IP address is not configured properly. Contact your ISP for the correct IP address. Cookies are corrupted. (A “cookie” is a small piece of information that a Web server can store temporarily with the Web browser. This is useful for having the browser remember some specific information that the Web server can later retrieve.) Windows Vista 1. Select Start > Control Panel. 2.
Table D-18 Solving Internet Access Problems (continued) Internet takes too long to download Web sites. Cause Solution 1. Select Start > Control Panel. 2. Click on System and Maintenance. 3. Click on System. 4. In the Tasks list, select Device Manager. 5. Double-click Modems. 6. Double-click Agere Systems PCI-SV92PP Soft Modem. 7. On the General tab, click Diagnostics. 8. Click Query Modem. A “Success” response indicates the modem is connected and working properly.
Table D-19 Solving Software Problems (continued) “Illegal Operation has Occurred” error message is displayed. Cause Solution Software being used is not Microsoft-certified for your version Verify that the software is certified by Microsoft for your version of Windows. of Windows (see program packaging for this information). Configuration files are corrupt. If possible, save all data, close all programs, and restart the computer.
E System Board and Riser Board Reference Designators These reference designators are used on most but not all HP system and riser boards.
J38 Secondary SCSI connector J39 Stacked parallel/SCSI connector J40 AGP slot J41 x16 PCI Express slot for graphics J50 First parallel port J51 Second parallel port J52 Double-stacked parallel port, Top = Port B, Bottom = Port A J53 Parallel port over single Serial Port J54 Parallel port over Serial Port and Video Port J55 Parallel port over dual VGA ports J65 DVI connector J66 Keyboard connector, PS/2 (Closest to power supply) J67 Mouse connector, PS/2 J68 Stacked mouse (Top)/key
L3 USB rear port choke (2nd) L4 USB rear port choke (3rd) L5 USB front port choke (2nd) P1 P/S connector (20 or 24 pin) P2 Second P/S connector (as required) P3 Processor 12V header P4 Secondary Processor 12V header P5 Main Power/HDD LED connector P6 Speaker connector P7 Analog audio connector (from CD-ROM) P8 Primary chassis fan header or primary CPU heatsink fan P9 Secondary chassis fan header P10 Diskette drive connector P11 Auxiliary Audio connector P12 Alert on LAN connecto
P54 Primary serial port P55 Double stack serial port, Top = Serial B, Bottom = Serial A P58 Riser edge connector (male-mates with J30) P60 PrimarySerial ATA (SATA) connector P61 Second Serial ATA (SATA) connector P62 Third Serial ATA (SATA) connector P63 Fourth Serial ATA (SATA) connector P64 VSFF expansion connector P65 Graphics option connector P66 Fifth Serial ATA (SATA) connector P67 Sixth Serial ATA (SATA) connector P68 Seventh Serial ATA (SATA) connector P69 Eighth Serial ATA
U4 South bridge U5 Super I/O U6 Clock chip U7 64 bit Bridge U10 LOM1 U11 LOM1 EEPROM U12 LOM1 PHY U13 Audio Codec U14 Audio amplifier U16 LOM2 U17 LOM2 EEPROM U18 LOM2 PHY U19 SPI ROM - SOIC-8 footprint U20 Fan controller U21 SPI ROM - SO16 footprint U29 TMDS controller U30 Parallel port diode array U31 First serial port transceiver U32 Second serial port transceiver U46 VRM controller U50 USB front port power switch U51 First USB rear port power switch U52 Secon
Y4 Secondary NIC clock crystal Y5/H5 RTC clock crystal/tie-down 257
Index Symbols/Numerics 24-pin MicroFit power pin assignments 198 24-pin power pin assignments 197 4-pin power pin assignments 198 6-pin power pin assignments 198 A access panel, locked 220 access to computer, controlling 38 Active Management Technology, Intel vPro-branded PCs with 29 Altiris AClient 22 Deployment Solution Agent 22 asset tracking 38 ATA/ATAPI (IDE) drive cable pin assignments 196 audible codes 212 audio problems 233 B backup 28 Backup and Recovery Manager 28 backwall, SFF removal and replac
cloning tools, software 21 CMT 5.
ethernet AUI pin assignments 192 BNC pin assignments 191 RJ-45 pin assignments 192 expansion cards CMT removal and replacement 72 SFF removal and replacement 120 expansion slot cover removing CMT 73 removing SFF 121 replacing 74, 123 F FailSafe Key caution 46 CMT 61 ordering 46 SFF 108 fan USDT removal and replacement 181 fan shroud CMT removal and replacement 91 SFF removal and replacement 145 fan, power supply 57 Fault Notification and Recovery HP Client Manager 47 fingerprint identification technology 47
line-in audio pin assignments 194 line-out audio pin assignments 194 locking Smart Cover Lock 46 locks cable lock 160 HP Business PC Security Lock 161 M media card reader installing 87 Media Card Reader problems 228 memory CMT removal and replacement 69 populating sockets 117 SFF removal and replacement 116 specifications 116 USDT specifications 166 memory problems 242 microphone pin assignments 194 minitower conversion 103 monitor pin assignments 195 problems 230 mouse cleaning 57 pin assignments 191 probl
R ReadyBoost card CMT removal and replacement 89 SFF removal and replacement 144 USDT removal and replacement 180 rear chassis fan CMT removal and replacement 95 USDT removal and replacement 188 recovery 28 Recovery Mode, Boot Block Emergency 32 recovery, software 21 reference designators 252 release latch attaching USDT optical drive 171 Remote ROM Flash 32 remote setup 23 Remote System Installation 23 removable hard drive replacing 82 removal and replacement CMT 5.
setup password changing 42 deleting 43 entering 42 setting 41 SFF backwall removal and replacement 155 battery removal and replacement 156 cable connections 125 cable management 124 chassis fan removal and replacement 146 chassis, illustrated 52 computer access panel removal and replacement 113 disassembly preparation 107 drives removal and replacement 126 expansion card removal and replacement 120 external security 110 fan shroud removal and replacement 145 front bezel removal and replacement 114 front I/O
URLs (Web sites).
