Intel® Desktop Board D945PVS Technical Product Specification May 2005 Order Number: D14072-001US The Intel® Desktop Board D945PVS may contain design defects or errors known as errata that may cause the product to deviate from published specifications. Current characterized errata are documented in the Intel Desktop Board D945PVS Specification Update.
Revision History Revision -001 Revision History First release of the Specification. Date Intel® Desktop Board D945PVS Technical Product May 2005 This product specification applies to only the standard Intel Desktop Board D945PVS with BIOS identifier SN94510J.86A. Changes to this specification will be published in the Intel Desktop Board D945PVS Specification Update before being incorporated into a revision of this document. INFORMATION IN THIS DOCUMENT IS PROVIDED IN CONNECTION WITH INTEL® PRODUCTS.
Preface This Technical Product Specification (TPS) specifies the board layout, components, connectors, power and environmental requirements, and the BIOS for the Intel® Desktop Board D945PVS. It describes the standard product and available manufacturing options. Intended Audience The TPS is intended to provide detailed, technical information about the Desktop Board D945PVS and its components to the vendors, system integrators, and other engineers and technicians who need this level of information.
Intel Desktop Board D945PVS Technical Product Specification Other Common Notation iv # Used after a signal name to identify an active-low signal (such as USBP0#) (NxnX) When used in the description of a component, N indicates component type, xn are the relative coordinates of its location on the Desktop Board D945PVS, and X is the instance of the particular part at that general location. For example, J5J1 is a connector, located at 5J. It is the first connector in the 5J area.
Contents 1 Product Description 1.1 1.2 1.3 1.4 1.5 1.6 1.7 1.8 1.9 1.10 1.11 1.12 1.13 Overview ...................................................................................................................... 10 1.1.1 Feature Summary.......................................................................................... 10 1.1.2 Manufacturing Options .................................................................................. 11 1.1.3 Board Layout ......................................
Intel Desktop Board D945PVS Technical Product Specification 2 Technical Reference 2.1 2.2 2.3 2.4 2.5 2.6 2.7 2.8 2.9 2.10 2.11 2.12 2.13 2.14 2.15 Introduction .................................................................................................................. 37 Memory Resources ...................................................................................................... 37 2.2.1 Addressable Memory................................................................................
Contents 3.8 3.9 Adjusting Boot Speed................................................................................................... 74 3.8.1 Peripheral Selection and Configuration ......................................................... 74 3.8.2 BIOS Boot Optimizations............................................................................... 74 BIOS Security Features ...............................................................................................
Intel Desktop Board D945PVS Technical Product Specification Tables 1. 2. 3. 4. 5. 6. 7. 8. 9. 10. 11. 12. 13. 14. 15. 16. 17. 18. 19. 20. 21. 22. 23. 24. 25. 26. 27. 28. 29. 30. 31. 32. 33. 34. 35. 36. 37. 38. 39. 40. 41. 42. 43. 44. 45. viii Feature Summary ........................................................................................................ 10 Manufacturing Options .................................................................................................
1 Product Description What This Chapter Contains 1.1 1.2 1.3 1.4 1.5 1.6 1.7 1.8 1.9 1.10 1.11 1.12 1.13 Overview ...................................................................................................................... 10 Online Support ............................................................................................................. 15 Processor ..................................................................................................................... 15 System Memory ..
Intel Desktop Board D945PVS Technical Product Specification 1.1 Overview 1.1.1 Feature Summary Table 1 summarizes the major features of the board. Table 1. Feature Summary Form Factor ATX (12.00 inches by 9.60 inches [304.80 millimeters by 243.
Product Description Table 1. Feature Summary (continued) • Support for PCI Local Bus Specification Revision 2.3 Instantly Available PC Technology • Support for PCI Express Revision 1.
Intel Desktop Board D945PVS Technical Product Specification 1.1.3 Board Layout Figure 1 shows the location of the major components. B A D C G E F H I J GG K L FF EE DD CC M N BB O AA P Z V X Y U T S R Q W OM17821 Figure 1. Board Components Table 3 lists the components identified in Figure 1.
Product Description Table 3.
Intel Desktop Board D945PVS Technical Product Specification 1.1.4 Block Diagram Figure 2 is a block diagram of the major functional areas.
Product Description 1.2 Online Support To find information about… Visit this World Wide Web site: Intel® http://www.intel.com/design/motherbd Desktop Board D945PVS under “Desktop Board Products” or “Desktop Board Support” http://support.intel.com/support/motherboards/desktop Available configurations for the Desktop Board D945PVS http://developer.intel.com/design/motherbd/vs/vs_available.htm Processor data sheets http://www.intel.com/design/litcentr ICH7-R addressing http://developer.intel.
Intel Desktop Board D945PVS Technical Product Specification 1.4 System Memory The board has four DIMM sockets and support the following memory features: • • 1.8 V (only) DDR2 SDRAM DIMMs with gold-plated contacts Unbuffered, single-sided or double-sided DIMMs with the following restriction: Double-sided DIMMS with x16 organization are not supported. • • • • • 4 GB maximum total system memory. Refer to Section 2.2.1 on page 37 for information on the total amount of addressable memory.
Product Description 1.4.1 Memory Configurations The Intel 82945P MCH supports two types of memory organization: • • Dual channel (Interleaved) mode. This mode offers the highest throughput for real world applications. Dual channel mode is enabled when the installed memory capacities of both DIMM channels are equal. Technology and device width can vary from one channel to the other but the installed memory capacity for each channel must be equal.
Intel Desktop Board D945PVS Technical Product Specification 1.4.1.1 Dual Channel (Interleaved) Mode Configurations Figure 4 shows a dual channel configuration using two DIMMs. In this example, the DIMM0 (blue) sockets of both channels are populated with identical DIMMs. 1 GB Channel A, DIMM 0 Channel A, DIMM 1 1 GB Channel B, DIMM 0 Channel B, DIMM 1 OM17123 Figure 4. Dual Channel (Interleaved) Mode Configuration with Two DIMMs Figure 5 shows a dual channel configuration using three DIMMs.
Product Description Figure 6 shows a dual channel configuration using four DIMMs. In this example, the combined capacity of the two DIMMs in Channel A equal the combined capacity of the two DIMMs in Channel B. Also, the DIMMs are matched between DIMM0 and DIMM1 of both channels. 256 MB 512 MB Channel A, DIMM 0 Channel A, DIMM 1 256 MB 512 MB Channel B, DIMM 0 Channel B, DIMM 1 OM17124 Figure 6.
Intel Desktop Board D945PVS Technical Product Specification 1.4.1.2 Single Channel (Asymmetric) Mode Configurations NOTE Dual channel (Interleaved) mode configurations provide the highest memory throughput. Figure 7 shows a single channel configuration using one DIMM. In this example, only the DIMM0 (blue) socket of Channel A is populated. Channel B is not populated. 256 MB Channel A, DIMM 0 Channel A, DIMM 1 Channel B, DIMM 0 Channel B, DIMM 1 OM17125 Figure 7.
Product Description 1.5 Intel® 945P Chipset The Intel 945P chipset consists of the following devices: • • Intel 82945P Memory Controller Hub (MCH) with Direct Media Interface (DMI) interconnect Intel 82801GR I/O Controller Hub (ICH7-R) with DMI interconnect The MCH component provides interfaces to the CPU, memory, PCI Express, and the DMI interconnect. The ICH7-R is a centralized controller for the board’s I/O paths. For information about Refer to The Intel 945P chipset http://developer.intel.
Intel Desktop Board D945PVS Technical Product Specification • • ATA-66: DMA protocol on IDE bus supporting host and target throttling and transfer rates of up to 66 MB/sec. ATA-66 protocol is similar to Ultra DMA and is device driver compatible. ATA-100: DMA protocol on IDE bus allows host and target throttling. The ICH7-R’s ATA-100 logic can achieve read transfer rates up to 100 MB/sec and write transfer rates up to 88 MB/sec.
Product Description 1.5.2.3 Serial ATA RAID The ICH7-R supports the following RAID (Redundant Array of Independent Drives) levels: • • • • 1.5.3 RAID 0 - data striping. Multiple physical drives can be teamed together to create one logical drive. As data is written or retrieved from the logical drive, both drives operate in parallel, thus increasing the throughput. The ICH7-R allows for more than two drives to be used in a RAID 0 configuration. RAID 1 - data mirroring.
Intel Desktop Board D945PVS Technical Product Specification • • Wake# signal supporting wake events from ACPI S1, S3, S4, or S5 Software compatible with the PCI Power Management Event (PME) mechanism defined in the PCI Power Management Specification Rev. 1.1 1.7 IEEE-1394a Connectors The IEEE-1394a interface addresses interconnection of both computer peripherals and consumer electronics. The IEEE-1394a interface provides a throughput ranging from 100 Mbits/sec to 400 Mbits/sec.
Product Description 1.8.2 Parallel Port The 25-pin D-Sub parallel port connector is located on the back panel. Use the BIOS Setup program to set the parallel port mode. For information about Refer to The location of the parallel port connector Figure 15, page 45 1.8.3 Diskette Drive Controller The legacy I/O controller supports one diskette drive. Use the BIOS Setup program to configure the diskette drive interface.
Intel Desktop Board D945PVS Technical Product Specification 1.9 Audio Subsystem The board supports the Intel® High Definition audio subsystem based on the Sigmatel 9223 audio codec. The audio subsystem supports the following features: • • • • 1.9.1 Advanced jack sense for the back panel audio jacks that enables the audio codec to recognize the device that is connected to an audio port.
Product Description Front Panel Audio Connectors Mic In Line Out Surround Left and Right/Retasking Jack [Black] Side Surround Left and Right/ Line In/Retasking Jack [Blue] Center channel and LFE (Subwoofer)/ Retasking Jack [Orange] S/PDIF Digital Audio Out Optical Mic In/Retasking Jack [Pink] Line Out/Retasking Jack [Lime Green] OM17824 Figure 9. Front/Back Panel Audio Connector Options Figure 10 is a block diagram of the 8-channel (7.1) audio subsystem.
Intel Desktop Board D945PVS Technical Product Specification 1.10 LAN Subsystem The Gigabit (10/100/1000 Mbits/sec) LAN subsystem includes the Intel® 82573V/82574V controller and an RJ-45 LAN connector with integrated status LEDs. Intel® 82573V/82574V Gigabit Ethernet Controller 1.10.1 The Intel 82573V/82574V Gigabit Ethernet Controller supports the following features: • • • • • • • • • PCI Express link 10/100/1000 IEEE 802.3 compliant Compliant to IEEE 802.
Product Description 1.11 Hardware Management Subsystem The hardware management features enable the board to be compatible with the Wired for Management (WfM) specification. The board has several hardware management features, including the following: • • • 1.11.
Intel Desktop Board D945PVS Technical Product Specification 1.11.4 Thermal Monitoring Figure 12 shows the location of the sensors and fan connectors. 4 1 1 A 3 B 4 1 1 G D C 3 F E OM17826 Item Description A Remote ambient temperature sensor B Thermal diode, located on processor die C Ambient temperature sensor, internal to hardware monitoring and fan control ASIC D Processor fan E Rear chassis fan F Front chassis fan G Auxiliary fan (optional) Figure 12.
Product Description 1.12 Power Management Power management is implemented at several levels, including: • • 1.12.
Intel Desktop Board D945PVS Technical Product Specification 1.12.1.1 System States and Power States Under ACPI, the operating system directs all system and device power state transitions. The operating system puts devices in and out of low-power states based on user preferences and knowledge of how devices are being used by applications. Devices that are not being used can be turned off.
Product Description 1.12.1.3 Wake-up Devices and Events Table 8 lists the devices or specific events that can wake the computer from specific states. Table 8.
Intel Desktop Board D945PVS Technical Product Specification Resume on Ring enables telephony devices to access the computer when it is in a power-managed state. The method used depends on the type of telephony device (external or internal). NOTE The use of Resume on Ring and Wake from USB technologies from an ACPI state requires an operating system that provides full ACPI support. 1.12.2.1 Power Connector ATX12V-compliant power supplies can turn off the system power through system control.
Product Description Depending on the LAN implementation, the board supports LAN wake capabilities with ACPI in the following ways: • • • 1.12.2.4 The PCI Express WAKE# signal The PCI Conventional bus PME# signal for PCI 2.3 compliant LAN designs The onboard LAN subsystem Instantly Available PC Technology CAUTION For Instantly Available PC technology, the +5 V standby line for the power supply must be capable of providing adequate +5 V standby current.
Intel Desktop Board D945PVS Technical Product Specification 1.12.2.9 WAKE# Signal Wake-up Support When the WAKE# signal on the PCI Express bus is asserted, the computer wakes from an ACPI S1, S3, S4, or S5 state. 1.12.2.10 +5 V Standby Power Indicator LED The +5 V standby power indicator LED shows that power is still present even when the computer appears to be off. Figure 13 shows the location of the standby power indicator LED.
2 Technical Reference What This Chapter Contains 2.1 2.2 2.3 2.4 2.5 2.6 2.7 2.8 2.9 2.10 2.11 2.12 2.13 2.14 2.15 Introduction .................................................................................................................. 37 Memory Resources ...................................................................................................... 37 DMA Channels ............................................................................................................. 39 Fixed I/O Map...
Intel Desktop Board D945PVS Technical Product Specification • • MCH base address registers, internal graphics ranges, PCI Express ports (up to 512 MB) Memory-mapped I/O that is dynamically allocated for PCI Conventional and PCI Express add-in cards The amount of installed memory that can be used will vary based on add-in cards and BIOS settings. Figure 14 shows a schematic of the system memory map. All installed system memory can be used when there is no overlap of system addresses.
Technical Reference 2.2.2 Memory Map Table 9 lists the system memory map. Table 9. System Memory Map Address Range (decimal) Address Range (hex) Size Description 1024 K - 4194304 K 100000 - FFFFFFFF 4095 MB Extended memory 960 K - 1024 K F0000 - FFFFF 64 KB Runtime BIOS 896 K - 960 K E0000 - EFFFF 64 KB Reserved 800 K - 896 K C8000 - DFFFF 96 KB Potential available high DOS memory (open to the PCI Conventional bus). Dependent on video adapter used.
Intel Desktop Board D945PVS Technical Product Specification 2.4 Fixed I/O Map Table 11. I/O Map Address (hex) Size Description 0000 - 00FF 256 bytes Used by the Desktop Board D945PVS. Refer to the ICH7-R data sheet for dynamic addressing information.
Technical Reference 2.5 PCI Configuration Space Map Table 12.
Intel Desktop Board D945PVS Technical Product Specification 2.6 Interrupts The interrupts can be routed through either the Programmable Interrupt Controller (PIC) or the Advanced Programmable Interrupt Controller (APIC) portion of the ICH7-R component. The PIC is supported in Windows 98 SE and Windows ME and uses the first 16 interrupts. The APIC is supported in Windows 2000 and Windows XP and supports a total of 24 interrupts. Table 13.
Technical Reference 2.7 PCI Conventional Interrupt Routing Map This section describes interrupt sharing and how the interrupt signals are connected between the PCI Conventional bus connectors and onboard PCI Conventional devices. The PCI Conventional specification describes how interrupts can be shared between devices attached to the PCI Conventional bus. In most cases, the small amount of latency added by interrupt sharing does not affect the operation or throughput of the devices.
Intel Desktop Board D945PVS Technical Product Specification 2.8 Connectors CAUTION Only the following connectors have overcurrent protection: back panel USB, front panel USB, and PS/2. The other internal connectors are not overcurrent protected and should connect only to devices inside the computer’s chassis, such as fans and internal peripherals. Do not use these connectors to power devices external to the computer’s chassis.
Technical Reference 2.8.1 Back Panel Connectors Figure 15 shows the location of the back panel connectors. The back panel connectors are color-coded. The figure legend (Table 15) lists the colors used (when applicable). A D C B E F G I J K H L M N OM17828 Figure 15. Back Panel Connectors for 8-Channel (7.1) Audio Subsystem Table 15 lists the back panel connectors identified in Figure 15.
Intel Desktop Board D945PVS Technical Product Specification 2.8.2 Component-side Connectors Figure 16 shows the locations of the component-side connectors. A B C D E 4 1 F GH 1 2 9 10 I J 1 2 3 K 4 1 3 10 2 1 10 AA Z 2 1 4 1 Y X 1 L 2 10 W 24 2 1 V U T S R 2 23 40 2 39 1 1 34 33 O Q P 1 N M 1 2 1 10 1 9 1 1 2 1 1 3 1 OM17829 Figure 16.
Technical Reference Table 16 lists the component-side connectors identified in Figure 16. Table 16.
Intel Desktop Board D945PVS Technical Product Specification Table 17.
Technical Reference Table 20. Processor Fan Connector Pin Signal Name 1 Ground 2 +12 V 3 FAN_TACH 4 FAN_CONTROL 2.8.2.1 Chassis Fan Connectors The board has two standard and one optional chassis fan connectors: • • • Front chassis fan Rear chassis fan Auxiliary fan connector (optional) Table 21 lists the signal names for the front and rear chassis fan connectors. Table 22 lists the signal names for the auxiliary fan connector. Table 21.
Intel Desktop Board D945PVS Technical Product Specification 2.8.2.2 Power Supply Connectors The board has power supply connectors: • • # Main power – a 2 x 12 connector. This connector is compatible with 2 x 10 connectors previously used on Intel Desktop boards. The board supports the use of ATX12V power supplies with either 2 x 10 or 2 x 12 main power cables.
Technical Reference 2.8.2.3 Add-in Card Connectors The board has the following add-in card connectors: • • • PCI Express x16: one connector supporting simultaneous transfer speeds up to 8 GBytes/sec. PCI Express x1: two PCI Express x1 connectors. The x1 interfaces support simultaneous transfer speeds up to 500 MBytes/sec. PCI Conventional (rev 2.3 compliant) bus: four PCI Conventional bus add-in card connectors. The SMBus is routed to PCI Conventional bus connector 2 only (ATX expansion slot 6).
Intel Desktop Board D945PVS Technical Product Specification 2.8.2.5 Front Panel Connector This section describes the functions of the front panel connector. Table 26 lists the signal names of the front panel connector. Figure 17 is a connection diagram for the front panel connector. Table 26.
Technical Reference 2.8.2.5.2 Reset Switch Connector [Purple] Pins 5 and 7 [Purple] can be connected to a momentary single pole, single throw (SPST) type switch that is normally open. When the switch is closed, the board resets and runs the POST. 2.8.2.5.3 Power/Sleep LED Connector [Green] Pins 2 and 4 [Green] can be connected to a one- or two-color LED. Table 27 shows the possible states for a one-color LED. Table 28 shows the possible states for a two-color LED. Table 27.
Intel Desktop Board D945PVS Technical Product Specification 2.8.2.6 Front Panel USB Connectors Figure 18 is a connection diagram for the front panel USB connectors. # INTEGRATOR’S NOTES • • • • The +5 V DC power on the USB connector is fused. Pins 1, 3, 5, and 7 comprise one USB port. Pins 2, 4, 6, and 8 comprise one USB port. Use only a front panel USB connector that conforms to the USB 2.0 specification for highspeed USB devices.
Technical Reference 2.9 Jumper Block CAUTION Do not move the jumper with the power on. Always turn off the power and unplug the power cord from the computer before changing a jumper setting. Otherwise, the board could be damaged. Figure 20 shows the location of the jumper block. The jumper block determines the BIOS Setup program’s mode. Table 29 describes the jumper settings for the three modes: normal, configure, and recovery.
Intel Desktop Board D945PVS Technical Product Specification 2.10 Mechanical Considerations 2.10.1 Form Factor The board is designed to fit into an ATX-form-factor chassis. Figure 21 illustrates the mechanical form factor of the board. Dimensions are given in inches [millimeters]. The outer dimensions are 12.00 inches by 9.60 inches [304.80 millimeters by 243.84 millimeters]. Location of the I/O connectors and mounting holes are in compliance with the ATX specification. 1.800 [45.72] 6.500 [165.10] 6.
Technical Reference 2.10.2 I/O Shield The back panel I/O shield for the board must meet specific dimension and material requirements. Systems based on this board need the back panel I/O shield to pass certification testing. Figure 22 shows the I/O shield. Dimensions are given in millimeters [inches]. The figures also indicate the position of each cutout. Additional design considerations for I/O shields relative to chassis requirements are described in the ATX specification.
Intel Desktop Board D945PVS Technical Product Specification 2.11 Electrical Considerations 2.11.1 DC Loading Table 30 lists the DC loading characteristics of the boards. This data is based on a DC analysis of all active components within the board that impact its power delivery subsystems. The analysis does not include PCI add-in cards. Minimum values assume a light load placed on the board that is similar to an environment with no applications running and no USB current draw.
Technical Reference 2.11.3 Fan Connector Current Capability CAUTION The processor fan must be connected to the processor fan connector, not to a chassis fan connector. Connecting the processor fan to a chassis fan connector may result in onboard component damage that will halt fan operation. Table 31 lists the current capability of the fan connectors. Table 31. Fan Connector Current Capability Fan Connector Maximum Available Current Processor fan 3.0 A Front chassis fan 1.5 A Rear chassis fan 1.
Intel Desktop Board D945PVS Technical Product Specification 2.12 Thermal Considerations CAUTION A chassis with a maximum internal ambient temperature of 38 oC at the processor fan inlet is a requirement. Use a processor heatsink that provides omni-directional airflow (similar to the type shown in Figure 23) to maintain required airflow across the processor voltage regulator area. OM16996 Figure 23.
Technical Reference CAUTION Ensure that proper airflow is maintained in the processor voltage regulator circuit. Failure to do so may result in damage to the voltage regulator circuit. The processor voltage regulator area (item A in Figure 24) can reach a temperature of up to 85 oC in an open chassis. Figure 24 shows the locations of the localized high temperature zones.
Intel Desktop Board D945PVS Technical Product Specification Table 32 provides maximum case temperatures for the components that are sensitive to thermal changes. The operating temperature, current load, or operating frequency could affect case temperatures. Maximum case temperatures are important when considering proper airflow to cool the board. Table 32.
Technical Reference 2.14 Environmental Table 33 lists the environmental specifications for the board. Table 33.
Intel Desktop Board D945PVS Technical Product Specification 2.15 Regulatory Compliance This section describes the Desktop Boards’ compliance with U.S. and international safety and electromagnetic compatibility (EMC) regulations. 2.15.1 Safety Regulations Table 34 lists the safety regulations that the Desktop Board D945PVS complies with when correctly installed in a compatible host system. Table 34.
Technical Reference 2.15.2.1 FCC Compliance Statement (USA) Product Type: D945PVS Desktop Board This device complies with Part 15 of the FCC Rules. Operation is subject to the following two conditions: (1) This device may not cause harmful interference, and (2) this device must accept any interference received, including interference that may cause undesired operation. This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to Part 15 of the FCC Rules.
Intel Desktop Board D945PVS Technical Product Specification Dutch Dit product is in navolging van de bepalingen van Europees Directief 89/336/EEC & 73/23/EEC. Suomi Tämä tuote noudattaa EU-direktiivin 89/336/EEC & 73/23/EEC määräyksiä. Français Ce produit est conforme aux exigences de la Directive Européenne 89/336/EEC & 73/23/EEC. Deutsch Dieses Produkt entspricht den Bestimmungen der Europäischen Richtlinie 89/336/EEC & 73/23/EEC.
Technical Reference 2.15.5 Product Certification Markings (Board Level) Table 36 lists the board’s product certification markings. Table 36. Product Certification Markings Description Marking UL joint US/Canada Recognized Component mark. Includes adjacent UL file number for Intel Desktop Boards: E210882 (component side). FCC Declaration of Conformity logo mark for Class B equipment; includes Intel name and D945PVS model designation (component side). CE mark.
Intel Desktop Board D945PVS Technical Product Specification 68
3 Overview of BIOS Features What This Chapter Contains 3.1 3.2 3.3 3.4 3.5 3.6 3.7 3.8 3.9 Introduction .................................................................................................................. 69 BIOS Flash Memory Organization ............................................................................... 70 Resource Configuration ............................................................................................... 70 System Management BIOS (SMBIOS) .....................
Intel Desktop Board D945PVS Technical Product Specification Table 37 lists the BIOS Setup program menu features. Table 37.
Overview of BIOS Features performance. To take advantage of the high capacities typically available today, hard drives are automatically configured for Logical Block Addressing (LBA) and to PIO Mode 3 or 4, depending on the capability of the drive. You can override the auto-configuration options by specifying manual configuration in the BIOS Setup program.
Intel Desktop Board D945PVS Technical Product Specification 4. POST completes. 5. The operating system loads. While the operating system is loading, USB keyboards and mice are recognized and may be used to configure the operating system. 6. After the operating system loads the USB drivers, all legacy and non-legacy USB devices are recognized by the operating system, and Legacy USB support from the BIOS is no longer used.
Overview of BIOS Features 3.7 Boot Options In the BIOS Setup program, the user can choose to boot from a diskette drive, hard drives, CD-ROM, or the network. The default setting is for the diskette drive to be the first boot device, the hard drive second, and the ATAPI CD-ROM third. The fourth device is disabled. 3.7.1 CD-ROM Boot Booting from CD-ROM is supported in compliance to the El Torito bootable CD-ROM format specification.
Intel Desktop Board D945PVS Technical Product Specification 3.8 Adjusting Boot Speed These factors affect system boot speed: • • 3.8.1 Selecting and configuring peripherals properly Optimized BIOS boot parameters Peripheral Selection and Configuration The following techniques help improve system boot speed: • • • • 3.8.2 Choose a hard drive with parameters such as “power-up to data ready” less than eight seconds, that minimize hard drive startup delays.
Overview of BIOS Features 3.9 BIOS Security Features The BIOS includes security features that restrict access to the BIOS Setup program and who can boot the computer. A supervisor password and a user password can be set for the BIOS Setup program and for booting the computer, with the following restrictions: • • • • • • • The supervisor password gives unrestricted access to view and change all the Setup options in the BIOS Setup program. This is the supervisor mode.
Intel Desktop Board D945PVS Technical Product Specification 76
4 Error Messages and Beep Codes What This Chapter Contains 4.1 4.2 4.3 4.4 Speaker ....................................................................................................................... 77 BIOS Beep Codes........................................................................................................ 77 BIOS Error Messages .................................................................................................. 77 Port 80h POST Codes ........................................
Intel Desktop Board D945PVS Technical Product Specification 4.4 Port 80h POST Codes During the POST, the BIOS generates diagnostic progress codes (POST-codes) to I/O port 80h. If the POST fails, execution stops and the last POST code generated is left at port 80h. This code is useful for determining the point where an error occurred. Displaying the POST-codes requires a PCI bus add-in card, often called a POST card.
Error Messages and Beep Codes Table 44.
Intel Desktop Board D945PVS Technical Product Specification Table 44.
Error Messages and Beep Codes Table 44. POST Code Port 80h POST Codes (continued) Description of POST Operation DXE Drivers E7 Waiting for user input E8 Checking password E9 Entering BIOS setup EA TBD – Flash Update EB Calling Legacy Option ROMs EE TBD – Calling INT 19. One beep unless silent boot is enabled.
Intel Desktop Board D945PVS Technical Product Specification Table 45.
