P4B266 User Guide Motherboard ®
E884 Checklist First Edition November 2001 Copyright © 2001 ASUSTeK COMPUTER INC. All Rights Reserved. No part of this manual, including the products and software described in it, may be reproduced, transmitted, transcribed, stored in a retrieval system, or translated into any language in any form or by any means, except documentation kept by the purchaser for backup purposes, without the express written permission of ASUSTeK COMPUTER INC. (“ASUS”).
Contents Features FCC/CDC statements ..................................................................... vi Safety information .......................................................................... vii About this guide ............................................................................ viii How this guide is organized .................................................. viii Conventions used in this guide ............................................... ix Where to find more information .......
Contents Safeguards 2.7 2.8 2.6.1 Installing an expansion card .................................. 2.6.2 Configuring an expansion card ............................. 2.6.3 PCI slots ............................................................... 2.6.4 AGP slot ............................................................... 2.6.5 CNR slot ............................................................... Switches and jumpers ....................................................... Connectors ....................
Contents Chapter 5: Software support ............................................... 5-1 5.1 5.2 5.3 Install an operating system .................................................. 5-1 Support CD information ....................................................... 5-1 5.2.1 Running the support CD ......................................... 5-1 5.2.2 Main menu ............................................................. 5-2 5.2.3 Software menu ....................................................... 5-3 5.2.
FCC/CDC statements Federal Communications Commission Statement This device complies with FCC Rules Part 15. Operation is subject to the following two conditions: • • This device may not cause harmful interference, and 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.
Safety information Electrical safety • To prevent electrical shock hazard, disconnect the power cable from the electrical outlet before relocating the system. • When adding or removing devices to or from the system, ensure that the power cables for the devices are unplugged before the signal cables are connected. If possible, disconnect all power cables from the existing system before you add a device.
About this guide This user guide contains the information you need when installing the ASUS P4B266 motherboard. How this guide is organized This manual contains the following parts: • • • • • • • viii Chapter 1: Product introduction This chapter describes the features of the P4B266 motherboard. It includes brief descriptions of the special attributes of the motherboard and the new technology it supports.
Conventions used in this guide To make sure that you perform certain tasks properly, take note of the following symbols used throughout this manual. WARNING: Information to prevent injury to yourself when trying to complete a task. CAUTION: Information to prevent damage to the components when trying to complete a task. IMPORTANT: Information that you MUST follow to complete a task. NOTE: Tips and additional information to aid in completing a task.
ASUS contact information ASUSTeK COMPUTER INC. (Asia-Pacific) Address: General Tel: General Fax: General Email: 150 Li-Te Road, Peitou, Taipei, Taiwan 112 +886-2-2894-3447 +886-2-2894-3449 info@asus.com.tw Technical Support MB/Others (Tel): Notebook (Tel): Desktop/Server (Tel): Support Fax: Support Email: Web Site: Newsgroup: +886-2-2890-7121 (English) +886-2-2890-7122 (English) +886-2-2890-7123 (English) +886-2-2890-7698 tsd@asus.com.tw www.asus.com.tw cscnews.asus.com.
Chapter 1 This chapter describes the features of the P4B266 motherboard. It includes brief explanations of the special attributes of the motherboard and the new technology it supports.
ASUS P4B266 motherboard
1.1 Welcome! Thank you for buying the ASUS® P4B266 motherboard! The ASUS P4B266 motherboard delivers a host of new features and latest technology making it another standout in the long line of ASUS quality motherboards! The P4B266 incorporates the Intel® Pentium® 4 Processor in 478-pin package/Northwood Processor coupled with the Intel® 845D (Brookdale) chipset to set a new benchmark for an effective desktop platform solution.
1.3 Special features 1.3.1 Product highlights Latest processor technology The P4B266 motherboard supports the latest Intel Pentium 4 478/ Northwood Processor, also known as P4, via a 478-pin surface mount ZIF socket. The Pentium 4 processor utilizes the advanced 0.18 micron processor core in FC-PGA2 package for a 2.0GHz frequency, while the Northwood processor uses the 0.13 micron processor core with 512KB L2 cache for up to a speedy 2.4+GHz frequency.
ASUS EZ Plug™ This patented ASUS technology lets you use your existing power supply rather than buying a new ATX 12V power supply. The ASUS EZ Plug™ is a 4-pin auxillary +12V connector mounted on the motherboard that connects a regular 4-pin device power connector from the power supply. This connector is necessary to provide the additional power required by the P4 CPU. Refer to page 2-29.
1.4 Overview Before you install the P4B266 motherboard, familiarize yourself with its physical configuration and available features to facilitate the motherboard installation and future upgrades. A sufficient knowledge of the motherboard specifications will also help you avoid mistakes that may damage the board and its components. 1.4.1 Motherboard components The following are the major components of the P4B266 motherboard as pointed out in the picture on page 1-5. 1. ATX 12V connector 23.
1 2 3 4 56 7 8 22 21 9 10 20 19 18 23 32 24 31 16 17 15 14 13 12 25 30 ASUS P4B266 motherboard user guide 11 26 29 28 27 1-5
1-6 1 ATX 12V connector. This power connector connects the 4-pin 12V plug from the ATX 12V power supply. 2 CPU socket. A 478-pin surface mount, Zero Insertion Force (ZIF) socket called mPGA478 B. This socket accommodates the Intel® Pentium® 4 478/Northwood Processor with 400MHz system bus. 3 North bridge controller. This controller called the Intel Memory Controller Hub (MCH) is one of the two major components of the Intel 845D (Brookdale) chipset.
10 Super I/O controller. This Low Pin Count (LPC) interface provides the commonly used Super I/O functionality. The chipset supports a high-performance floppy disk controller for a 360K/720K/1.44M/ 2.88M floppy disk drive, a multi-mode parallel port, two standard compatible UARTs, a Standard Infrared (SIR), one MPU-401 UART mode compatible MIDI/game port, and a Flash ROM interface. 11 DIP switches. This 10-switch Dual Inline Package (DIP) allows you to set the CPU external frequency.
1-8 20 PCI slots. These six 32-bit PCI 2.2 expansion slots support bus master PCI cards like SCSI or LAN cards with 133MB/s maximum throughput. 21 LAN PHY. This Intel 82562ET LAN PHY works with the integrated MAC in the South Bridge (ICH2) to fully support 10BASE-T/ 100BASE-TX Ethernet networking. (on LAN models only) 22 AGP slot. This Accelerated Graphics Port (AGP) slot supports 1.5V AGP4X mode graphics cards for 3D graphical applications. 23 PS/2 mouse port.
Chapter 2 This chapter describes the hardware setup procedures that you have to perform when installing system components. It includes details on the switches, jumpers, and connectors on the motherboard.
ASUS P4B266 motherboard
2.1 Motherboard installation Before you install the motherboard, study the configuration of your chassis to ensure that the motherboard fits into it. The P4B266 uses the ATX form factor that measures 12 inches x 9.4 inches, a standard fit for most chassis. Make sure to unplug the power cord before installing or removing the motherboard. Failure to do so may cause you physical injury and damage motherboard components. 2.1.
2.2 Motherboard layout 24cm (9.4in) PS/2KBMS T: Mouse B: Keyboard DDR_OV KBPWR USBPWR01 OVER_VOLT Socket 478 Line In WARNING TRPWR 2 3 ATX Power Connector 2 3 EZ_PLUG 0 1 PRIMARY IDE Intel 845D Memory Controller Hub (MCH) Line Out 30.5cm (12.
2.3 Before you proceed Take note of the following precautions before you install motherboard components or change any motherboard settings. 1. Unplug the power cord from the wall socket before touching any component. 2. Use a grounded wrist strap or touch a safely grounded object or to a metal object, such as the power supply case, before handling components to avoid damaging them due to static electricity. 3. Hold components by the edges and do not to touch the ICs on them. 4.
2.4 Central Processing Unit (CPU) 2.4.1 Overview The motherboard comes with a surface mount 478-pin Zero Insertion Force (ZIF) socket. This socket is specifically designed for the Intel® Pentium® 4 478/Northwood Processor. The Intel Pentium 4 Processor in the 478-pin package uses the Flip-Chip Pin Grid Array 2 (FC-PGA2) package technology, and includes the Intel® NetBurst™ micro-architecture.
2.4.2 Installing the CPU Follow these steps to install a CPU. 1. Locate the 478-pin ZIF socket on the motherboard. 2. Unlock the socket by pressing the lever sideways, then lift it up to a 90°-100° angle. Socket Lever 90 - 100 Make sure that the socket lever is lifted up to 90°-100° angle, otherwise the CPU does not fit in completely.
3. Position the CPU above the socket such that its marked corner matches the base of the socket lever. 4. Carefully insert the CPU into the socket until it fits in place. The CPU fits only in one correct orientation. DO NOT force the CPU into the socket to prevent bending the pins and damaging the CPU! Gold Mark 5. When the CPU is in place, press it firmly on the socket while you push down the socket lever to secure the CPU. The lever clicks on the side tab to indicate that it is locked.
2.4.3 Installing the heatsink and fan The Intel® Pentium® 4 478/Northwood Processor requires a specially designed heatsink and fan assembly to ensure optimum thermal condition and performance. When you buy a boxed Intel Pentium 4 478/Northwood Processor, the package includes the heatsink, fan, and retention mechanism. In case you buy a CPU separately, make sure that you use only Intel certified heatsink and fan. Follow these steps to install the CPU heatsink and fan. 1.
2. Position the fan with the retention mechanism on top of the heatsink. Align and snap the four hooks of the retention mechanism to the holes on each corner of the module base. Make sure that the fan and retention mechanism assembly perfectly fits the heatsink and module base, otherwise you cannot snap the hooks into the holes. Retention Hole Retention Lock Retention Hook Snapped to the Retention Hole Keep the retention locks lifted upward while fitting the retention mechanism to the module base.
3. Push down the locks on the retention mechanism to secure the heatsink and fan to the module base. When secure, the retention locks should point to opposite directions. 2.4.4 Connecting the CPU fan cable When the fan, heatsink, and the retention mechanism are in place, connect the CPU fan cable to the connector on the motherboard labeled CPU_FAN. CPU Fan Connector (CPU_FAN) Don’t forget to connect the CPU fan connector! Hardware monitoring errors may occur if you fail to plug this connector.
2.5 System memory 2.5.1 Overview The motherboard comes with three Double Data Rate (DDR) Dual Inline Memory Module (DIMM) sockets. These sockets support up to 2GB system memory using 184-pin unbuffered ECC or non-ECC PC2100/1600 DIMMs. 80 Pins ® 104 Pins P4B266 P4B266 184-Pin DDR DIMM Sockets A DDR DIMM is keyed with a notch so that it fits in only one direction. DO NOT force a DIMM into a socket to avoid damaging the DIMM.
2.5.2 Memory configurations You may install any DDR DIMMs with 64MB, 128MB, 256MB, 512MB, and 1GB densities into the three DIMM sockets. Use only the following combinations to install DDR DIMMs. Otherwise, the system may not boot up.
3. Firmly insert the DIMM into the socket until the retaining clips snap back in place and the DIMM is properly seated. Locked Retaining Clip 2.5.4 Removing a DIMM Follow these steps to remove a DIMM. 1. Simultaneously press the retaining clips outward to unlock the DIMM. Support the DIMM lightly with your fingers when pressing the retaining clips. The DIMM might get damaged when it flips out with extra force. 2. Remove the DIMM from the socket.
2.6 Expansion slots In the future, you may need to install expansion cards. The motherboard has six PCI slots, one Accelerated Graphics Port (AGP) slot, and a Communications and Networking Riser (CNR) slot. The following subsections describe the slots and the expansion cards that they support. Make sure to unplug the power cord before adding or removing expansion cards. Failure to do so may cause you physical injury and damage motherboard components. 2.6.
Standard Interrupt Assignments IRQ 0 1 2 3* 4* 5* 6 7* 8 9* 10* 11* 12* 13 14* 15* Priority Standard Function 1 2 N/A 11 12 13 14 15 3 4 5 6 7 8 9 10 System Timer Keyboard Controller Programmable Interrupt Communications Port (COM2) Communications Port (COM1) Sound Card (sometimes LPT2) Floppy Disk Controller Printer Port (LPT1) System CMOS/Real Time Clock ACPI Mode when used IRQ Holder for PCI Steering IRQ Holder for PCI Steering PS/2 Compatible Mouse Port Numeric Data Processor Primary IDE Channel Sec
2.6.3 PCI slots There are six 32-bit PCI slots in this motherboard. The slots support PCI cards such as a LAN card, SCSI card, USB card, and other cards that comply with PCI specifications. The following figure shows a LAN card installed on a PCI slot. 2.6.4 AGP slot This motherboard has an Accelerated Graphics Port (AGP) slot that supports +1.5V AGP cards. When you buy an AGP card, make sure that you ask for one with +1.5V specification.
2.6.5 CNR slot The Communications and Networking Riser (CNR) slot supports interface cards that integrates audio, modem, and network functionality.
2.7 Switches and jumpers The motherboard frequency is adjusted through the DIP switches. The white block represents the switch position. The illustration below shows all the switches in the OFF position. 1 2 3 4 5 6 7 8 9 10 SWITCH ® ON P4B266 DIP Switches OFF ON P4B266 1. Frequency Multiple 2. Frequency Multiple 3. Frequency Multiple 4. Frequency Multiple 5. Frequency Selection 6. Frequency Selection 7. Frequency Selection 8. Frequency Selection 9. Frequency Selection 10.
2. CPU Core:Bus frequency multiple (SWITCH Switches 1-4) This option sets the frequency multiple between the CPU internal and external frequencies. This must be set in conjunction with the CPU Bus Frequency. ® P4B266 P4B266 CPU Frequency Multiple Selection 17.0x 19.0x 21.0x 23.0x 1 2 3 4 5 6 7 8 9 10 ON 1 2 3 4 5 6 7 8 9 10 16.0x ON ON 1 2 3 4 5 6 7 8 9 10 1 2 3 4 5 6 7 8 9 10 1 2 3 4 5 6 7 8 9 10 22.0x 15.0x ON 1 2 3 4 5 6 7 8 9 10 ON 14.
3. CPU frequency selection (SWITCH Switches 5-9) This option tells the clock generator what frequency to send the CPU. This allows the selection of the CPU’s external frequency (or Bus Clock). The BUS Clock multiplied by the Frequency Multiple equals the CPU’s internal frequency (the advertised CPU speed).
4. Keyboard power (3-pin KBPWR) This jumper allows you to enable or disable the keyboard wake-up feature. Set this jumper to pins 2-3 (+5VSB) if you wish to wake up the computer when you press a key on the keyboard (the default is the Space Bar). This feature requires an ATX power supply that can supply at least 1A on the +5VSB lead, and a corresponding setting in the BIOS (see section 4.5.1 Power Up Control). KBPWR 3 2 2 1 +5V (Default) ® +5VSB P4B266 P4B266 Keyboard Power Setting 5.
6. USB device wake-up (3-pin USBPWR01, USBPWR23) Set these jumpers to +5V to wake up the computer from S1 sleep mode (CPU stopped, DRAM refreshed, system running in low power mode) using the connected USB devices. Set to +5VSB to wake up from S3 sleep mode (no power to CPU, DRAM in slow refresh, power supply in reduced power mode). Both jumpers are set to pins 1-2 (+5V) by default because not all computers have the appropriate power supply to support this feature.
7. Speaker selector (3-pin SPEECH) This jumper allows you to select the speaker you wish to use for the ASUS POST Reporter™ function. Set to pins 1-2 to use the internal speaker (usually included in the chassis). Set to pins 2-3 if you connected an external speaker to the Line Out jack (lime color) on the rear panel. SPEECH ® 2 3 1 2 P4B266 BUZZER LINEOUT (Default) P4B266 Speaker Selector 8. VCORE over-voltage (3-pin OVER_VOLT) When enabled, this jumper allows a CPU Vcore setting range of +1.
9. Line out selector (two 2-pin LO_L, LO_R) (on audio models only) By default, these jumpers are shorted (jumper caps on) to route the signal from the audio controller to the rear panel Line Out jack to make it available for audio out devices such as speakers or a headphone.
11. USB 2.0 setting (3pin USB20_EN) (on audio models only) This jumper allows you to enable or disable the Universal Serial Bus (USB) 2.0 capability. Set to Enable (pins 1-2) if you wish to use USB 2.0 compliant devices. USB20_EN ® 2 1 3 2 Disable P4B266 Enable (Default) P4B266 USB Setting 12. Clear RTC RAM (CLRTC) These solder points allow you to clear the Real Time Clock (RTC) RAM in CMOS. You can clear the CMOS memory of date, time, and system setup parameters by erasing the CMOS RTC RAM data.
2.8 Connectors This section describes and illustrates the internal connectors on the motherboard. Some pins are used for connectors or power sources. These are clearly distinguished from jumpers in the Motherboard Layout. Placing jumper caps over these connector pins will cause damage to your motherboard. Always connect ribbon cables with the red stripe to Pin 1 on the connectors.
2. IDE connectors (40-1 pin PRIMARY IDE/SECONDARY IDE) This connector supports the provided UltraDMA/100/66 IDE hard disk ribbon cable. Connect the cable’s blue connector to the primary (recommended) or secondary IDE connector, then connect the gray connector to the UltraDMA/100/66 slave device (hard disk drive) and the black connector to the UltraDMA/100/66 master device. It is recommended that you connect non-UltraDMA/100/66 devices to the secondary IDE connector.
3. Floppy disk drive connector (34-1 pin FLOPPY) This connector supports the provided floppy drive ribbon cable. After connecting one end to the motherboard, connect the other end to the floppy drive. (Pin 5 is removed to prevent incorrect insertion when using ribbon cables with pin 5 plug). FLOPPY PIN 1 NOTE: Orient the red markings on the floppy ribbon cable to PIN 1. ® P4B266 P4B266 Floppy Disk Drive Connector 4.
5. CPU, Chassis, and Power Fan Connectors (3-pin CPU_FAN, PWRFAN, CH_FAN) The three fan connectors support cooling fans of 350mA (4.2 Watts) or a total of 1A (12W) at +12V. Orient the fans so that the heat sink fins allow air flow to go across the onboard heat sinks instead of the expansion slots. The fan wiring and plug may vary depending on the fan manufacturer. Connect the fan cable to the connector matching the black wire to the ground pin.
6. ASUS EZ Plug™ and ATX power connectors (20-pin ATXPWR, 4-pin ATX+12V, 4-pin AUX+12V) These connectors connect to an ATX 12V power supply. The plugs from the power supply are designed to fit these connectors in only one orientation. Find the proper orientation and push down firmly until the connectors completely fit. In addition to the 20-pin ATXPWR connector, this motherboard requires that you connect the 4-pin ATX +12V power plug to provide sufficient power to the CPU.
7. USB headers (10-1 pin USB11_23, USB20_12, USB20_34) If the USB port connectors on the rear panel are inadequate, three USB headers are available for additional USB port connectors. The header labeled USB11_23 complies with the Universal Serial Bus (USB) 1.1 specification. Connect the bundled 2-port USB connector set to this header and mount the USB bracket to an open slot in the chassis.
8. SMBus connector (6-1 pin SMB) This connector allows you to connect SMBus (System Management Bus) devices. Devices communicate with an SMBus host and/or other SMBus devices using the SMBus interface. SMBus is a specific implementation of an I2C bus, a multi-device bus that allows multiple chips to connect to the same bus and enable each one to act as a master by initiating data transfer. ® SMB P4B266 Ground SMBDATA +3V P4B266 SMBus Connector FLOATING SMBCLK 1 9.
10. Line in connector (5-pin LINE_IN) (optional) This connector is for a front panel Line In jack with a return path for automatic signal switching. BLINE_IN_R LINE_IN_R AGND BLINE_LIN_L ALINE_LIN_L LINE_IN ® P4B266 P4B266 LINE_IN Connector 11. Front panel audio connector (10-1 pin IAPANEL) (optional) This is an interface for the Intel front panel audio cable that allow convenient connection and control of audio devices.
12. ASUS iPanel connector (24-1 pin AFPANEL) (optional) This connector allows you to connect an optional ASUS iPanel, an easy-to-access drive bay with front I/O ports and status LEDs. If you are not using an ASUS iPanel, you can connect an optional wireless transmitting and receiving infrared module to the SIR connector.
14. Smart Card Reader connector (14-1 pin SMARTCON) (optional) This connector accommodates a Smart Card Reader that allows you to conveniently make transactions such as financial, health care, telephony, or traveling services through a Smart Card user interface software. NC NC SCRREST NC SCRUI SCRRES# SMARTCARD ® 1 P4B266 Smartcard VCC NC SCRFET# SCRCLK NC GND NC2 P4B266 15.
16. Infrared module connector (two 5-1 pin IR_CON) This connector supports an optional wireless transmitting and receiving infrared module. This module mounts to a small opening on system chassis that support this feature. You must also configure the UART2 Use As parameter in BIOS to set UART2 for use with IR. See section “4.4.2 I/O Device Configuration” for details.
18. System panel connector (20-pin PANEL) This connector accommodates several system front panel functions. PLED Keylock Ground Power LED +5 V ® Speaker Connector +5V Ground Ground Speaker Keyboard Lock Message LED SMI Lead P4B266 System Panel Connectors Reset Ground +5 V MLED ExtSMI# Ground PWR Ground P4B266 Reset SW ATX Power Switch* * Requires an ATX power supply. • System Power LED Lead (3-1 pin PLED) This 3-1 pin connector connects to the system power LED.
• ATX Power Switch / Soft-Off Switch Lead (2-pin PWRBTN) This connector connects a switch that controls the system power. Pressing the power switch turns the system between ON and SLEEP, or ON and SOFT OFF, depending on the BIOS or OS settings. Pressing the power switch while in the ON mode for more than 4 seconds turns the system OFF. • Reset Switch Lead (2-pin RESET) This 2-pin connector connects to the case-mounted reset switch for rebooting the system without turning off the system power.
2-38 Chapter 2: Hardware information
Chapter 3 This chapter describes the power up sequence and gives information on the BIOS beep codes.
ASUS P4B266 motherboard
3.1 Starting up for the first time 1. After making all the connections, replace the system case cover. 2. Be sure that all switches are off. 3. Connect the power cord to the power connector at the back of the system chassis. 4. Connect the power cord to a power outlet that is equipped with a surge protector. 5. Turn on the devices in the following order: a. Monitor b. External SCSI devices (starting with the last device on the chain) c.
3.2 Vocal POST Messages This motherboard includes the Winbond speech controller to support a special feature called the ASUS POST Reporter™. This feature gives you vocal POST messages and alerts to inform you of system events and boot status. In case of a boot failure, you will hear the specific cause of the problem. These POST messages are customizable using the Winbond Voice Editor software that came with your package. You can record your own messages to replace the default messages.
POST Message Action No keyboard detected • Check your keyboard if properly connected to the purple PS/2 connector on the rear panel. • See section “1.3.1 Identifying the motherboard components” for the location of the connector. No floppy disk detected • Make sure you have connected a floppy disk to the floppy disk connector on the motherboard. • See section “2.8 Connectors.
3.3 Powering off the computer You must first exit the operating system and shut down the system before switching off the power. For ATX power supplies, you can press the ATX power switch after exiting or shutting down the operating system. If you use Windows 95/98/2000/XP, click the Start button, click Shut Down, then click the OK button to shut down the computer. The power supply should turn off after Windows shuts down.
Chapter 4 This chapter tells how to change system settings through the BIOS Setup menus. Detailed descriptions of the BIOS parameters are also provided.
ASUS P4B266 motherboard
4.1 Managing and updating your BIOS 4.1.1 Using the computer system for the first time It is recommended that you save a copy of the original motherboard BIOS along with a Flash Memory Writer utility (AFLASH.EXE) to a bootable floppy disk in case you need to reinstall the BIOS later. AFLASH.EXE is a Flash Memory Writer utility that updates the BIOS by uploading a new BIOS file to the programmable flash ROM on the motherboard. This file works only in DOS mode.
5. Select 1. Save Current BIOS to File from the Main menu and press . The Save Current BIOS To File screen appears. 6. Type a filename and the path, for example, A:\XXX-XX.XXX, then press .
4.1.2 Updating BIOS procedures Update the BIOS only if you have problems with the motherboard and you are sure that the new BIOS revision will solve your problems. Careless updating may result to more problems with the motherboard! 1. Download an updated ASUS BIOS file from the Internet (WWW or FTP) (see ASUS CONTACT INFORMATION on page x for details) and save to the boot floppy disk you created earlier. 2. Boot from the floppy disk. 3. At the “A:\” prompt, type AFLASH and then press . 4.
7. The utility starts to program the new BIOS information into the Flash ROM. The boot block is updated automatically only when necessary. This minimizes the possibility of boot problems in case of update failures. When the programming is done, the message “Flashed Successfully” appears. 8. Follow the onscreen instructions to continue. If you encounter problems while updating the new BIOS, DO NOT turn off the system because this may cause boot problems.
4.2 BIOS Setup program This motherboard supports a programmable EEPROM that you can update using the provided utility described in section “4.1 Managing and updating your BIOS.” Use the BIOS Setup program when you are installing a motherboard, reconfiguring your system, or prompted to “Run Setup”. This section explains how to configure your system using this utility. Even if you are not prompted to use the Setup program, you may want to change the configuration of your computer in the future.
4.2.1 BIOS menu bar The top of the screen has a menu bar with the following selections: MAIN Use this menu to make changes to the basic system configuration. ADVANCED Use this menu to enable and make changes to the advanced features. POWER Use this menu to configure and enable Power Management features. BOOT Use this menu to configure the default system device used to locate and load the Operating System. EXIT Use this menu to exit the current menu or to exit the Setup program.
General help In addition to the Item Specific Help window, the BIOS setup program also provides a General Help screen. You may launch this screen from any menu by simply pressing or the + combination. The General Help screen lists the legend keys and their corresponding functions. Saving changes and exiting the Setup program See “4.7 Exit Menu” for detailed information on saving changes and exiting the setup program.
4.3 Main Menu When you enter the Setup program, the following screen appears. System Time [XX:XX:XX] Sets the system to the time that you specify (usually the current time). The format is hour, minute, second. Valid values for hour, minute and second are Hour: (00 to 23), Minute: (00 to 59), Second: (00 to 59). Use the or + keys to move between the hour, minute, and second fields. System Date [XX/XX/XXXX] Sets the system to the date that you specify (usually the current date).
4.3.1 Primary and Secondary Master/Slave Type [Auto] Select [Auto] to automatically detect an IDE hard disk drive. If automatic detection is successful, Setup automatically fills in the correct values for the remaining fields on this sub-menu. If automatic detection fails, this may be because the hard disk drive is too old or too new. If the hard disk was already formatted on an older system, Setup may detect incorrect parameters.
[User Type HDD] Manually enter the number of cylinders, heads and sectors per track for the drive. Refer to the drive documentation or on the drive label for this information. After entering the IDE hard disk drive information into BIOS, use a disk utility, such as FDISK, to partition and format new IDE hard disk drives. This is necessary so that you can write or read data from the hard disk. Make sure to set the partition of the Primary IDE hard disk drives to active.
Translation Method [LBA] Select the hard disk drive type in this field. When Logical Block Addressing (LBA) is enabled, the 28-bit addressing of the hard drive is used without regard for cylinders, heads, or sectors. Note that LBA Mode is necessary for drives with more than 504MB storage capacity. Configuration options: [LBA] [LARGE] [Normal] [Match Partition Table] [Manual] Cylinders This field configures the number of cylinders. Refer to the drive documentation to determine the correct value.
SMART Monitoring [Disabled] This field allows you to enable or disable the S.M.A.R.T. (Self-Monitoring, Analysis and Reporting Technology) system that utilizes internal hard disk drive monitoring technology. This parameter is normally disabled because the resources used in the SMART monitoring feature may decrease system performance. Configuration options: [Disabled] [Enabled] PIO Mode [4] This option lets you set a PIO (Programmed Input/Output) mode for the IDE device.
4.3.2 Keyboard Features Boot Up NumLock Status [On] This field enables users to activate the Number Lock function upon system boot. Configuration options: [Off] [On] Keyboard Auto-Repeat Rate [6/Sec] This controls the speed at which the system registers repeated keystrokes. Options range from 6 to 30 characters per second.
Main menu items continued... Language [English] This field displays the BIOS language version. Supervisor Password [Disabled] / User Password [Disabled] These fields allow you to set passwords. To set a password, highlight the appropriate field and press . Type in a password then press . You can type up to eight alphanumeric characters. Symbols and other characters are ignored. To confirm the password, type the password again and press . The password is now set to [Enabled].
4.4 Advanced Menu CPU Speed [Manual] When the motherboard is set to JumperFree™ mode, this field allows you to select the internal frequency of the CPU. Select [Manual] if you want to make changes to the two subsequent fields. Note that selecting a frequency higher than the CPU manufacturer recommends may cause the system to hang or crash. CPU Frequency Multiple (when CPU Speed is set to [Manual]) This field is for unlocked processors only.
CPU VCore Setting [Auto] The [Manual] setting allows you to manually select the core voltage supplied to the CPU (see next item). However, it is recommended that you keep the default setting [Auto] to allow the system to automatically determine the appropriate CPU core voltage. CPU VCore [1.750V] (for Willamette), [1.500V] (for Northwood) When the CPU VCore Setting parameter above is set to [Manual], the CPU VCore item allows you to select a specific CPU core voltage.
BIOS Update [Enabled] This field functions as an update loader integrated into the BIOS to supply the processor with the required data. When set to [Enabled], the BIOS loads the update on all processors during system bootup. Configuration options: [Disabled] [Enabled] PS/2 Mouse Function Control [Auto] The default setting [Auto] allows the system to detect a PS/2 mouse at startup. If a mouse is detected, the BIOS assigns IRQ12 to the PS/2 mouse. Otherwise, IRQ12 can be used for expansion cards.
4.4.1 Chip Configuration SDRAM Configuration [By SPD] This parameter allows you to set the optimal timings for items 2–5, depending on the memory modules that you are using. The default setting is [By SPD], which configures items 2–5 by reading the contents in the SPD (Serial Presence Detect) device. The EEPROM on the memory module stores critical information about the module, such as memory type, size, speed, voltage interface, and module banks.
SDRAM RAS Precharge Delay [3T] This item controls the idle clocks after issuing a precharge command to the DDR SDRAM. The DDR SDRAM RAS Precharge Delay parameter appears only when you set the SDRAM Configuration to [User Defined]. SDRAM Active Precharge Delay [6T] This item controls the number of DDR SDRAM clocks used for DDR SDRAM parameters. The DDR SDRAM Active Precharge Delay parameter appears only when you set the SDRAM Configuration to [User Defined].
Video Memory Cache Mode [UC] USWC (uncacheable, speculative write combining) is a new cache technology for the video memory of the processor. It can greatly improve the display speed by caching the display data. You must set this to UC (uncacheable) if your display card does not support this feature, otherwise the system may not boot. Configuration options: [UC] [USWC] Memory Hole At 15M-16M [Disabled] This field allows you to reserve an address space for ISA expansion cards.
4.4.2 I/O Device Configuration Floppy Disk Access Control [R/W] When set to [Read Only], this parameter protects files from being copied to floppy disks by allowing reads from, but not writes to, the floppy disk drive. The default setting [R/W] allows both reads and writes. Configuration options: [R/W] [Read Only] Onboard Serial Port 1 [3F8H/IRQ4] Onboard Serial Port 2 [2F8H/IRQ3] These fields allow you to set the addresses for the onboard serial connectors.
Parallel Port Mode [ECP+EPP] This field allows you to set the operation mode of the parallel port. [Normal] allows normal-speed operation but in one direction only; [EPP] allows bidirectional parallel port operation; [ECP] allows the parallel port to operate in bidirectional DMA mode; [ECP+EPP] allows normal speed operation in a two-way mode. Configuration options: [Normal] [EPP] [ECP] [ECP+EPP] ECP DMA Select [3] This field allows you to configure the parallel port DMA channel for the selected ECP mode.
4.4.3 PCI Configuration Slot 1/5, Slot 2, Slot 3, Slot 4, Slot 6 IRQ [Auto] These fields automatically assign the IRQ for each PCI slot. The default setting for each field is [Auto], which utilizes auto-routing to determine IRQ assignments. Configuration options: [Auto] [NA] [3] [4] [5] [7] [9] [10] [11] [12] [14] [15] PCI/VGA Palette Snoop [Disabled] Some non-standard VGA cards, like graphics accelerators or MPEG video cards, may not show colors properly.
Primary VGA BIOS [PCI VGA Card] This field allows you to select the primary graphics card. Configuration options: [PCI VGA Card] [AGP VGA Card] Onboard LAN Boot ROM [Disabled] This field allows you to enable or disable the option ROM in the onboard LAN chipset. Configuration options: [Disabled] [Enabled] 4.4.3.1 PCI IRQ Resource Exclusion IRQ XX Reserved [No/ICU] These fields indicate whether or not the displayed IRQ for each field is being used by a legacy (non-PnP) ISA card.
4.5 Power Menu The Power menu allows you to reduce power consumption. This feature turns off the video display and shuts down the hard disk after a period of inactivity. Power Management [User Defined] This field allows you to activate or deactivate the automatic power saving features. When set to [Disabled], the power management features do not function regardless of the other settings on this menu.
Video Off Option [Suspend -> Off ] This field determines when to activate the video off feature for monitor power management. Configuration options: [Always On] [Suspend -> Off] Video Off Method [DPMS OFF] This field defines the video off features. The Display Power Management System (DPMS) feature allows the BIOS to control the video display card if it supports the DPMS feature. [Blank Screen] only blanks the screen. Use this for monitors without power management or “green” features.
4.5.1 Power Up Control AC PWR Loss Restart [Disabled] This allows you to set whether or not to reboot the system after power interruptions. [Disabled] leaves your system off while [Enabled] reboots the system. [Previous State] sets the system back to the state it was before the power interruption. Configuration options: [Disabled] [Enabled] [Previous State] Wake/Power Up On Ext.
Power On By PS/2 Keyboard [Space Bar] This parameter allows you to use specific keys on the keyboard to turn on the system. This feature requires an ATX power supply that provides at least 1A on the +5VSB lead. Configuration options: [Disabled] [Space Bar] [Ctrl-Esc] [Power Key] Power On By PS/2 Mouse [Disabled] When set to [Enabled], this parameter allows you to use the PS/2 mouse to turn on the system. This feature requires an ATX power supply that provides at least 1A on the +5VSB lead.
4.5.2 Hardware Monitor MB Temperature [xxxC/xxxF] CPU Temperature [xxxC/xxxF] The onboard hardware monitor automatically detects the motherboard and CPU temperatures and shows the values opposite these items. CPU Fan Speed [xxxxRPM] Power Fan Speed [xxxxRPM) Chassis Fan Speed [N/A] The onboard hardware monitor automatically detects the CPU and chassis fan speeds in rotations per minute (RPM). VCORE Voltage, +3.
4.6 Boot Menu Boot Sequence The Boot menu allows you to select among the four possible types of boot devices listed using the up and down arrow keys. By using the <+> or key, you can promote devices and by using the <-> key, you can demote devices. Promotion or demotion of devices alters the priority which the system uses to search for a boot device on system power up. Configuration fields include Removable Devices, IDE Hard Drive, ATAPI CD-ROM, and Other Boot Device.
Other Boot Device Select [INT18 Device (Network)] Configuration options: [Disabled] [SCSI Boot Device] [INT18 Device (Network)] Plug & Play O/S [No] This field allows you to use a Plug-and-Play (PnP) operating system to configure the PCI bus slots instead of using the BIOS. When [Yes] is selected, interrupts may be reassigned by the OS. If you installed a nonPnP OS or if you want to prevent reassigning of interrupt settings, keep the default setting [No].
Interrupt Mode [APIC] The Advanced Programmable Interrupt Controller (APIC) setting allows you to distribute interrupt routings other than the 16 IRQs. The Programmable Interrupt Controller (PIC) setting allows you to use the 16 IRQs only.
4.7 Exit Menu When you have made all of your selections from the various menus in the Setup program, save your changes and exit Setup. Select Exit from the menu bar to display the following menu. Pressing does not immediately exit this menu. Select one of the options from this menu or from the legend bar to exit. Exit Saving Changes Once you are finished making your selections, choose this option from the Exit menu to ensure the values you selected are saved to the CMOS RAM.
Load Setup Defaults This option allows you to load the default values for each of the parameters on the Setup menus. When you select this option or if you press , a confirmation window appears. Select [Yes] to load default values. Select Exit Saving Changes or make other changes before saving the values to the non-volatile RAM. Discard Changes This option allows you to discard the selections you made and restore the previously saved values. After selecting this option, a confirmation appears.
Chapter 5 This chapter describes the contents of the support CD that comes with the motherboard package.
ASUS P4B266 motherboard
5.1 Install an operating system This motherboard supports Windows 98/ME/NT/2000/XP and OS/2 operating system (OS). Always install the latest OS version and corresponding updates so you can maximize the features of your hardware. Because motherboard settings and hardware options vary, use the setup procedures presented in this chapter for general reference only. Refer to your OS documentation for more information. 5.
If the welcome screen did not appear automatically, locate and doubleclick on the file ASSETUP.EXE from the BIN folder in the support CD to display the menus. 5.2.2 Main menu From the welcome screen, the program takes you directly to the main menu. The main menu displays an image of the motherboard, and the buttons and icons that link you to the software, drivers, utilities, and other information contained in the support CD.
5.2.3 Software menu The software menu shows the applications and other software that the motherboard supports. The highlighted items indicate that they are available for your motherboard. Simply click on a specific item then follow the installation wizard to install it. The software menu is composed of two screens. Click on the Next button on the lower right corner of the first screen to display the second menu screen.
ASUS BIOS Flash Utility This utility allows you to remotely flash the Client PC’s BIOS when used with the Intel LDCM Administrator. ASUS PC Probe This smart utility monitors the fan speed, CPU temperature, and system voltages, and alerts you on any detected problems. This utility helps you keep your computer at a healthy operating condition. Winbond Voice Editor This program is for recording and customizing wave files for the ASUS POST Reporter™.
5.2.4 Drivers menu The drivers menu shows the available device drivers if the system detects installed devices. Install the necessary drivers to activate the devices. The drivers menu is composed of two screens. Click on the Next button on the lower right corner of the first screen to display the second menu screen. To return to the first menu screen, click on the Back button on the lower right corner of the second screen.
Winbond Memory Stick Storage Device Driver This item installs the Memory Stick (MS) device driver. The device driver allows you to use the MS for securely downloading and storing digital files and other data. Winbond Secure Digital Storage (SD/MMC) Device Driver This item installs the Secure Digital (SD) device driver. The device driver allows you to use the SD for securely downloading and storing digital files and other data. 5.2.
5.2.7 Other information The icons on the left side of the screen give additional information on the motherboard and the contents of the support CD. This section shows the pop-up windows that appear when you click the icons. Motherboard Info The window displays the general specifications of the P4B266 motherboard. Browse this CD The window displays the support CD contents in graphical format.
Technical Support Form The window displays the ASUS Technical Support Request Form that you have to fill up when requesting technical support. Readme The window displays the contents of the support CD and a brief description of each in text format.
5.3 Software information Most of the applications in the support CD have wizards that will conveniently guide you through the installation. View the online help or readme file that came with the software for more information. This section provides details on the new software applications that the motherboard supports. 5.3.1 ASUS Update The ASUS Update is a utility that allows you to update the motherboard BIOS and drivers.
4. From the FTP site, select the BIOS version that you wish to download. Click Next. 5. Follow the instructions on the succeeding screens to complete the update process. If you selected the option to update the BIOS from a file, a window pops up prompting you to locate the file. Select the file, click Save, then follow the screen instructions to complete the update process. 5.3.2 ASUS MyLogo™ The ASUS MyLogo™ is automatically installed when you install the ASUS Update utility from the software menu.
4. From the selection that appears, choose a logo image. Click Next. NOTE: If you wish, you may create your own boot logo image in GIF, JPG, or BMP file formats. 5. When you click on an image, it displays larger on the MyLogo screen. 6. The next screen prompts you to flash the original BIOS to update it with the new boot logo. Click Flash to update the BIOS. 7. When finished, click Exit, then reboot your computer. Your system boots with the new boot logo.
5.3.3 Personalized Boot Logo Also included in the support CD is a DOS version of ASUS MyLogo. Locate the application called LOGO.EXE and a sample image library of boot screens in bitmap (BMP) format to install this feature. Back up your system BIOS to a bootable floppy disk before using LOGO.EXE to modify your boot screen. See section “4.1 Managing and updating your BIOS”. Make sure that the item Full Screen Logo in BIOS is set to [Enabled]. 1.
5.3.4 Winbond Voice Editor The Winbond Voice Editor software allows you to customize the vocal POST messages. Install the software from the software menu in the support CD. See section “5.2.3 Software menu”. To avoid conflicts, do not run the Winbond Voice Editor while running the ASUS PC Probe. Follow these steps to use the Winbond Voice Editor.
Changing the default language 1. Click on the Load button. a window showing the available languages appears. 2. Select your desired language then click Open. The event messages for the language you selected appear on the Voice Editor screen. For some languages, not all events have a corresponding message due to file size constraints. 3. Click on the Write button to update the EEPROM. 4. Click Yes on the confirmation window that appears.
Customizing your POST messages If your language is not in the selection or if you wish to record your own POST messages to replace the pre-installed wave files, you may easily do so. Follow these steps to customize your POST messages. 1. Launch the Voice Editor and take note of the list of POST events on the leftmost column of the screen. 2. Prepare your message for each event. The total compressed size for all the wave files must not exceed 1Mbit, so make your messages as short as possible. 3.
7. Click a POST event on the Voice Editor screen, then on the Edit button. The Event Sound Editor window appears. 8. Locate and select your wave file for the event then click on the arrow opposite Voice1. The file you selected appears on the space next to it. 9. Click OK to return to the Voice Editor screen. 10. Do steps 7 to 9 for the other events. 11. When done, click the Save button. A window appears prompting you to save your configuration. 12. Type a file name with a .flh extension, then click Save.
5.3.5 Multi-Channel Audio Feature The C-Media PCI Audio Driver and Applications are included in the Support CD that came with your motherboard package. Install these programs to enable the multi-channel audio feature. You must use 4 or 6 channel speakers for this setup. Setting the C-Media Audio Mixer 1. Install the C-Media 6-channel PCI audio driver from the support CD. 2. After installation, the C-Media Mixer icon appears on the bottom right of the screen. Mixer Icon 3.
Running the C-Media Audio Demo Program The C-Media audio demo program allows you to test and fine tune your speaker system. To launch the the multi-channel audio demo program, click on Start from your desktop, then select PCI Audio Applications/ Multi-Channel Audio Demo. From the demo program interface, click on Help to display the instructions and hardware diagrams for configuring and testing your speaker system.
Glossary This part lists the technical terms that you may encounter when reading this document.
ASUS P4B266 motherboard
This glossary also includes some terms that are not found in this document but might be of help to you when operating, upgrading, or reconfiguring your computer. AC’97 (Audio Codec '97). AC '97 is the next step in enabling PCs with audio quality comparable to consumer electronics devices. The specification defines new cost-effective options to help integrate the components necessary to support next-generation auto-intensive PC applications such as DVD, 3-D multiplayer gaming and interactive music.
BIOS (Basic Input/Output System). BIOS is a set of routines that control how the computer transfers data between computer components, such as memory, disks, and the display adapter. The BIOS instructions are built into the computer’s read-only memory. BIOS parameters are configurable through the BIOS Setup program. You can update the BIOS using the AFLASH utility by copying a new BIOS file into the EEPROM. Bit (Binary Digit). Represents the smallest unit of data used by the computer.
Device Driver. A software routine that links a peripheral device to the operating system. It acts as a translator between the device and the applications that use it. Each device has its own set of specialized commands known only to its driver while the applications access devices using high-level generic commands. The driver translates these commands into the commands required by the devices. DOS (Disk Operating System).
IrDA (Infrared Data Association). An internaltional organization that creates and promotes inter-operable, low cost, infrared data interconnection standards that support a walk-up, point-to-point model. The IrDA protocol is designed to support transmission of data between two devices over short-range point-to-point infrared at speeds between 9.6Kbps and 4Mbps. ISP (Internet Service Provider). A company that provides customer access to the Internet and the World Wide Web for a fee.
POST (Power On Self Test). When you turn ON the computer, it will first run through the POST, a series of software-controlled diagnostic tests. The POST checks system memory, the motherboard circuitry, the display, the keyboard, the diskette drive, and other I/O devices. PS/2 Port. PS/2 ports are based on IBM Micro Channel Architecture. This type of architecture transfers data through a 16-bit or 32-bit bus. A PS/2 mouse and/or keyboard may be used on ATX motherboards. RAM (Random Access Memory).
System Disk. A system disk contains the core file of an operating system and is used to boot up the operating system. TCP/IP (Transmission Control Protocol/Internet Protocol). The communications protocol used by the UNIX system and the Internet. TCP checks for lost packets, puts the data from multiple packets into the correct order, and requests that missing or damaged packets be resent. USB (Universal Serial Bus).
Index This part contains an alphabetical list of the topics found in this document.
ASUS P4B266 motherboard
A Accelerated Graphics Port 2-15 Acrobat Reader 5-4 ASUS ASIC 1-7 ASUS EZ Plug™ 1-3, 1-6 ASUS iPanel 1-3, 2-30 ASUS MyLogo™ 1-2, 5-10 ASUS PC Probe 5-4 ASUS POST Reporter™ 1-2, 1-7 ASUS Update 5-9 ATAPI CD-ROM 4-30 Audio controller 1-7 Automatic Power Up 4- 29 B BIOS Advanced Menu 4-15 Boot Menu 4-30 Boot Sequence 4-30 Exit Menu 4-33 Language 4-14 Legend Bar 4-6 Main Menu 4-8 Menu Bar 4-6 Power Menu 4-25 Setup Defaults, loading 4-34 Setup Program 4-5 Sub-menu launching 4-7 Updating 4-1 BIOS Beep Codes 3-1
D I DDR SDRAM technology 2-10 Digital audio interfaces S/PDIF 1-3 DIMM installing 2-11 removing 2-12 DIMM sockets 1-6 DIP switches 1-7, 2-17 Double Data Rate (DDR) memory 1- 2 Interrupt Assignments 2-14 IRQ assignments 2-14 E Expansion card installation 2-13 configuration 2-14 Expansion slots 1-8, 2-13 AGP 1-8 CNR 1-7 PCI 1-8 E-Color 3Deep 5-4 JumperFree mode 2-17 Jumpers Bass/Center setting 2-23 DDR voltage 2-20 keyboard power 2-20 Line Out selector 2-23 speaker selector 2-22 USB 2.
O Onboard LED 2-3 Operating system installation 5-1 Overclocking features 1-3 P Parallel Port 1-8, 4-21 Modes 4-21 Password Supervisor 4-14 User 4-14 PC-cillin 5-4 PCI Configuration 4-23 PCI Latency Timer 4-23 PCI/VGA Palette Snoop 4-23 PIO Mode 4-12 Plug & Play O/S 4-31 Power Management 4-25 Power On Self Test 4-31 POST Messages 3-2 customizing 5-15 PS/2 Keyboard Port 1-8 PS/2 Mouse Port 1-8 PS/2 Mouse Function Control 4-17 R Retention Mechanism 2-8 RJ-45 port 1-8 RTC RAM clearing 2-24 S Idle Timer 4-1
U UART2 4-23 Ultra DMA Mode 4-12 Universal Serial Bus (USB) 2.
