Motherboard

P5GPL-X SE
E2368 First Edition January 2006
Copyright 2006 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).
Product warranty or service will not be extended if: (1) the product is repaired, modified or altered, unless such repair, modification of alteration is authorized in writing by ASUS; or (2) the serial number of the product is defaced or missing. ASUS PROVIDES THIS MANUAL AS IS WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE IMPLIED WARRANTIES OR CONDITIONS OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE. IN NO EVENT SHALL ASUS, ITS DIRECTORS, OFFICERS, EMPLOYEES OR AGENTS BE LIABLE FOR ANY INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES (INCLUDING DAMAGES FOR LOSS OF PROFITS, LOSS OF BUSINESS, LOSS OF USE OR DATA, INTERRUPTION OF BUSINESS AND THE LIKE), EVEN IF ASUS HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES ARISING FROM ANY DEFECT OR ERROR IN THIS MANUAL OR PRODUCT. SPECIFICATIONS AND INFORMATION CONTAINED IN THIS MANUAL ARE FURNISHED FOR INFORMATIONAL USE ONLY, AND ARE SUBJECT TO CHANGE AT ANY TIME WITHOUT NOTICE, AND SHOULD NOT BE CONSTRUED AS A COMMITMENT BY ASUS. ASUS ASSUMES NO RESPONSIBILITY OR LIABILITY FOR ANY ERRORS OR INACCURACIES THAT MAY APPEAR IN THIS MANUAL, INCLUDING THE PRODUCTS AND SOFTWARE DESCRIBED IN IT. Products and corporate names appearing in this manual may or may not be registered trademarks or copyrights of their respective companies, and are used only for identification or explanation and to the owners benefit, without intent to infringe.

Contents

Notices.... vi Safety information...vii About this guide...viii. Typography... ix P5GPL-X SE specifications summary... x
Chapter 1: Product introduction
1.1 1.2 1.3 Welcome!... 1-2 Package contents... 1-2 Special features... 1-3 1.3.1 1.3.2 1.4 1.5 Product highlights.. 1-3 Innovative ASUS features.. 1-5
Before you proceed... 1-6 Motherboard overview... 1-7 1.5.1 1.5.2 1.5.3 Placement direction.. 1-7 Screw holes.. 1-7. Motherboard layout.. 1-8 Installling the CPU.. 1-9 Installling the CPU heatsink and fan. 1-12. Uninstalling the CPU heatsink and fan. 1-14. Overview... 1-16 Memory Configurations.. 1-16 Installing a DIMM.. 1-19 Removing a DIMM... 1-19 Installing an expansion card.. 1-20 Configuring an expansion card. 1-20 Interrupt assignments.. 1-21. PCI slots... 1-22 PCI Express x16 slot... 1-22
Central Processing Unit (CPU).. 1-9 1.6.1 1.6.2 1.6.3
System memory... 1-16. 1.7.1 1.7.2 1.7.3 1.7.4
Expansion slots... 1-20 1.8.1 1.8.2 1.8.3 1.8.4 1.8.5
Jumpers... 1-23 1.10.1 Rear panel connectors.. 1-26 1.10.2 Internal connectors.. 1-27

1.10 Connectors... 1-26

Chapter 2: BIOS setup
2.1 Managing and updating your BIOS... 2-2 2.1.1 2.1.2 2.1.3 2.1.4 2.1.5 2.2 2.2.1 2.2.2 2.2.3 2.2.4 2.2.5 2.2.6 2.2.7 2.2.8 2.2.9 2.3 2.3.1 2.3.2 2.3.3 2.3.4 2.3.5 2.3.6 2.4 2.4.1 2.4.2 2.4.3 2.4.4 2.4.5 2.4.6 2.5 2.5.1 2.5.2 2.5.3

Creating a bootable floppy disk. 2-2 ASUS EZ Flash utility.. 2-3 AFUDOS utility.. 2-4 ASUS CrashFree BIOS 2 utility.. 2-6 ASUS Update utility.. 2-8 BIOS menu screen.. 2-12 Menu bar... 2-12 Navigation keys... 2-12. Menu items.. 2-13 Sub-menu items... 2-13 Configuration fields.. 2-13 Pop-up window.. 2-13. Scroll bar.. 2-13. General help... 2-13 System Time... 2-14 System Date... 2-14 Legacy Diskette A.. 2-14 Primary, Third and Fourth IDE Master/Slave.. 2-15 IDE Configuration... 2-16 System Information.. 2-18 JumperFree Configuration. 2-19. USB Configuration.. 2-21 CPU Configuration.. 2-22 Chipset... 2-23. Onboard Devices Configuration.. 2-25. PCI PnP.. 2-26 Suspend Mode.. 2-27. Repost Video on S3 Resume.. 2-27 ACPI 2.0 Support.. 2-27
BIOS setup program... 2-11.

Main menu... 2-14.

Advanced menu.. 2-19

Power menu... 2-27

2.5.4 2.5.5 2.5.6 2.6 2.6.1 2.6.2 2.6.3 2.6.4 2.7 3.1 3.2 ACPI APIC Support.. 2-27 APM Configuration.. 2-28 Hardware Monitor.. 2-30. Boot Device Priority.. 2-32 Hard Disk Drives... 2-32. Boot Settings Configuration.. 2-32 Security... 2-34.

Boot menu... 2-31

Exit menu... 2-36. Installing an operating system.. 3-2. Support CD information.. 3-2 3.2.1 3.2.2 3.2.3 3.2.4 Running the support CD... 3-2. Drivers menu... 3-3. Utilities menu... 3-4 ASUS Contact information.. 3-5
Chapter 3: Software support

Appendix: CPU features

A.1 A.2 Intel EM64T.. A-2. Using the Intel EM64T feature.. A-2 Enhanced Intel SpeedStep Technology (EIST). A-2 A.2.1 A.2.2 A.3 System requirements.. A-2. Using the EIST... A-3.
Intel Hyper-Threading Technology.. A-4 Using the Hyper-Threading Technology. A-4

Notices

Federal Communications Commission Statement
This device complies with Part 15 of the FCC Rules. 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. These limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipment generates, uses and can radiate radio frequency energy and, if not installed and used in accordance with manufacturers instructions, may cause harmful interference to radio communications. However, there is no guarantee that interference will not occur in a particular installation. If this equipment does cause harmful interference to radio or television reception, which can be determined by turning the equipment off and on, the user is encouraged to try to correct the interference by one or more of the following measures: Reorient or relocate the receiving antenna. Increase the separation between the equipment and receiver. Connect the equipment to an outlet on a circuit different from that to which the receiver is connected. Consult the dealer or an experienced radio/TV technician for help.

Dual-channel DDR memory support
Employing the Double Data Rate (DDR) memory technology, the motherboard supports up to 2GB of system memory using DDR400/333 DIMMs. The ultra-fast 400MHz memory bus delivers the required bandwidth for the latest 3D graphics, multimedia, and Internet applications. See page 1-16 for details.

PCI Express interface

The motherboard fully supports PCI Express, the latest I/O interconnect technology that speeds up the PCI bus. PCI Express features pointtopoint serial interconnections between devices and allows higher clockspeeds by carrying data in packets. This high speed interface is software compatible with existing PCI specifications. See page 1-22 for details.

Serial ATA technology

The motherboard supports the Serial ATA technology through the Serial ATA interfaces and the Intel ICH6. The SATA specification allows for thinner, more flexible cables with lower pin count, reduced voltage requirement, and up to 150 MB/s data transfer rate.

Gigabit LAN support

This motherboard comes with a Gigabit LAN controller to meet your growing networking needs. The controller provides faster data bandwidth for your Internet, LAN, and file sharing requirements. See pages 1-26.

6-channel audio

The motherboard comes with the ADI AD1986A audio CODEC that provides 6channel audio, audio jacksensing and enumeration technology, and S/PDIF out support. See page 1-26 for details.

USB 2.0 technology

The motherboard implements the Universal Serial Bus (USB) 2.0 specification, dramatically increasing the connection speed from the 12Mbps bandwidth on USB 1.1 to a fast 480 Mbps on USB 2.0. USB 2.0 is backward compatible with USB 1.1. See pages 1-24, 1-27, 1-30 and 2-21 for details.
Temperature, fan, and voltage monitoring
The CPU temperature is monitored by the Winbond Super I/O to prevent overheating and damage. The system fan rotation per minute (RPM) is monitored for timely failure detection. The Winbond Super I/O monitors the voltage levels to ensure stable supply of current for critical components.
1.3.2 Innovative ASUS features

CPU Lock Free

This feature allows you to adjust the CPU multiplier to 14x. Setting the appropriate BIOS setting automatically reduces the CPU multiplier value for more flexibility when increasing external FSB. See page 2-22 for details.

The motherboard comes with a standby power LED that lights up to indicate that the system is ON, in sleep mode, or in soft-off mode. This is a reminder that you should shut down the system and unplug the power cable before removing or plugging in any motherboard component. The illustration below shows the location of the onboard LED.

P5GPL-X

SB_PWR
ON Standby Power OFF Powered Off

P5GPL-X SE Onboard LED

Motherboard overview
Before you install the motherboard, study the configuration of your chassis to ensure that the motherboard fits into it.
Make sure to unplug the power cord before installing or removing the motherboard. Failure to do so can cause you physical injury and damage motherboard components.
1.5.1 Placement direction
When installing the motherboard, make sure that you place it into the chassis in the correct orientation. The edge with external ports goes to the rear part of the chassis as indicated in the image below.

1.5.2 Screw holes

Place seven (7) screws into the holes indicated by circles to secure the motherboard to the chassis.
Do not overtighten the screws! Doing so can damage the motherboard.
Place this side towards the rear of the chassis

1.5.3 Motherboard layout

18.2cm (7.2in)
PS/2KBMS T: Mouse KBPWR B: Keyboard

SPDIF_O

ATX12V

PARALLEL PORT

LGA775
DDR DIMM_A1 (64 bit,184-pin module)
DDR DIMM_B1 (64 bit,184-pin module)

CHA_FAN

CPU_FAN

F_USB12

LAN_USB34
Top:Line In Center:Line Out Below:Mic In

Marvell 88E8001

PCIEX16

Super I/O

PCI2 PCI3

SPDIF_OUT

USBPW2

AAFP GAME

SB_PWR USB78

AD1986A

PCIEX1_1

CHASSIS

CR2032 3V Lithium Cell CMOS Power

Intel FWH 4Mb

FLOPPY

Intel ICH6

PRI_IDE

30.5cm (12.0in)

USBPW1

EATXPWR

Central Processing Unit (CPU)
The motherboard comes with a surface mount LGA775 socket designed for the Intel Pentium 4 processor in the 775-land package.
Your boxed Intel Pentium 4 LGA775 processor package should come with installation instructions for the CPU, fan and heatsink assembly. If the instructions in this section do not match the CPU documentation, follow the latter. Upon purchase of the motherboard, make sure that the PnP cap is on the socket and the socket pins are not bent. Contact your retailer immediately if the PnP cap is missing, or if you see any damage to the PnP cap/socket pins/motherboard components. ASUS will shoulder the cost of repair only if the damage is shipment/ transit-related. Keep the cap after installing the motherboard. ASUS will process Return Merchandise Authorization (RMA) requests only if the motherboard comes with the cap on the LGA775 socket. The product warranty does not cover damage to the socket pins resulting from incorrect CPU installation/removal, or misplacement/ loss/incorrect removal of the PnP cap.

1.8.2 Configuring an expansion card
After installing the expansion card, configure it by adjusting the software settings. 1. 2. 3. Turn on the system and change the necessary BIOS settings, if any. See Chapter 2 for information on BIOS setup. Assign an IRQ to the card. Refer to the tables on the next page. Install the software drivers for the expansion card.
1.8.3 Interrupt assignments
Standard interrupt assignments
IRQ 15 Priority Standard Function System Timer Keyboard Controller Re-direct to IRQ#9 Communications Port (COM1)* IRQ holder for PCI steering* Floppy Disk Controller Printer Port (LPT1)* System CMOS/Real Time Clock IRQ holder for PCI steering* IRQ holder for PCI steering* IRQ holder for PCI steering* PS/2 Compatible Mouse Port* Numeric Data Processor Primary IDE Channel Secondary IDE Channel
* These IRQs are usually available for ISA or PCI devices.
IRQ assignments for this motherboard
PCI slot 1 PCI slot 2 PCI slot 3 Onboard LAN A B used C D used E F used G used H
When using PCI cards on shared slots, ensure that the drivers support Share IRQ or that the cards do not need IRQ assignments. Otherwise, conflicts will arise between the two PCI groups, making the system unstable and the card inoperable.

1.8.4 PCI slots

The PCI slots support cards such as a LAN card, SCSI card, USB card, and other cards that comply with PCI specifications. The figure shows a LAN card installed on a PCI slot.
1.8.5 PCI Express x16 slot
This motherboard supports PCI Express x16 graphic cards that comply with the PCI Express specifications. The figure shows a graphics card installed on the PCI Express x16 slot.
1.8.6 PCI Express x1 slot
This motherboard supports PCI Express x1 network cards, SCSI cards and other cards that comply with the PCI Express specifications. The figure shows a network card installed on the PCI Express x1 slot.

Jumpers

1. Clear RTC RAM (CLRTC) This jumper allows 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. The onboard button cell battery powers the RAM data in CMOS, which include system setup information such as system passwords. To erase the RTC RAM: 1. 2. 3. 4. 5. 6. Turn OFF the computer and unplug the power cord. Remove the onboard battery. Move the jumper cap from pins 1-2 (default) to pins 2-3. Keep the cap on pins 2-3 for about 5~10 seconds, then move the cap back to pins 1-2. Re-install the battery. Plug the power cord and turn ON the computer. Hold down the <Del> key during the boot process and enter BIOS setup to re-enter data.

Do not forget to connect the fan cables to the fan connectors. Insufficient air flow inside the system may damage the motherboard components. These are not jumpers! DO NOT place jumper caps on the fan connectors.
CPU_FAN P5GPL-X SE Fan connectors

GND +12V Rotation

4. Serial ATA connectors (7-pin SATA1, SATA2, SATA3, SATA4) These connectors are for the Serial ATA signal cables for Serial ATA hard disk drives.
GND RSATA_RXN4 RSATA_RXP4 GND RSATA_TXN4 RSATA_TXP4 GND
SATA3 SATA2 SATA1 P5GPL-X SE SATA connectors Important notes on Serial ATA
GND RSATA_TXP2 RSATA_TXN2 GND RSATA_RXP2 RSATA_RXN2 GND
GND RSATA_RXN3 RSATA_RXP3 GND RSATA_TXN3 RSATA_TXP3 GND
Install the Windows 2000 Service Pack 4 or the Windows XP Service Pack1 before using Serial ATA. Plug your Serial ATA boot disk on the master port (SATA1 and SATA2) to support S3 function. Refer to the table below for details.
Serial ATA Master/Slave connectors
Connector SATA1, SATA2 SATA3, SATA4 Setting Master Slave Use Boot disk Data disk
GND RSATA_TXP1 RSATA_TXN1 GND RSATA_RXP1 RSATA_RXN1 GND
5. Chassis intrusion connector (4-1 pin CHASSIS) This connector is for a chassis-mounted intrusion detection sensor or switch. Connect one end of the chassis intrusion sensor or switch cable to this connector. The chassis intrusion sensor or switch sends a high-level signal to this connector when a chassis component is removed or replaced. The signal is then generated as a chassis intrusion event. By default, the pins labeled Chassis Signal and Ground are shorted with a jumper cap. Remove the jumper caps only when you intend to use the chassis intrusion detection feature.

(Default)

GND Chassis Signal
P5GPL-X SE Chassis intrusion connector
6. USB connectors (10-1 pin USB56, USB78) These connectors are for USB 2.0 ports. Connect the USB/GAME module cable to any of these connectors, then install the module to a slot opening at the back of the system chassis.
USB+5V USB_P6USB_P6+ GND NC

+5VSB_MB

USB56 P5GPL-X SE USB 2.0 connectors

USB+5V USB_P5USB_P5+ GND

Never connect a 1394 cable to the USB connectors. Doing so will damage the motherboard! USB/Game module is purchased separately.

This utility is available in the support CD that comes with the motherboard package.
ASUS Update requires an Internet connection either through a network or an Internet Service Provider (ISP).

Installing ASUS Update

To install ASUS Update: 1. 2. 3. Place the support CD in the optical drive. The Drivers menu appears. Click the Utilities tab, then click Install ASUS Update VX.XX.XX. See page 3-4 for the Utilities screen menu. The ASUS Update utility is copied to your system.
Quit all Windows applications before you update the BIOS using this utility.
Updating the BIOS through the Internet
To update the BIOS through the Internet: 1. Launch the ASUS Update utility from the Windows desktop by clicking Start > Programs > ASUS > ASUSUpdate > ASUSUpdate. The ASUS Update main window appears.
Select Update BIOS from the Internet option from the dropdown menu, then click Next.
Select the ASUS FTP site nearest you to avoid network traffic, or click Auto Select. Click Next.
From the FTP site, select the BIOS version that you wish to download. Click Next. Follow the screen instructions to complete the update process.
The ASUS Update utility is capable of updating itself through the Internet. Always update the utility to avail all its features.
Updating the BIOS through a BIOS file
To update the BIOS through a BIOS file: 1. 2. Launch the ASUS Update utility from the Windows desktop by clicking Start > Programs > ASUS > ASUSUpdate > ASUSUpdate. The ASUS Update main window appears. Select Update BIOS from a file option from the dropdown menu, then click Next.
Locate the BIOS file from the Open window, then click Open. Follow the screen instructions to complete the update process.

BIOS setup program

This motherboard supports a programmable firmware chip that you can update using the provided utility described in section 2.1 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 can change the configuration of your computer in the future. For example, you can enable the security password feature or change the power management settings. This requires you to reconfigure your system using the BIOS Setup program so that the computer can recognize these changes and record them in the CMOS RAM of the firmware hub. The firmware hub on the motherboard stores the Setup utility. When you start up the computer, the system provides you with the opportunity to run this program. Press <Del> during the Power-On Self-Test (POST) to enter the Setup utility; otherwise, POST continues with its test routines. If you wish to enter Setup after POST, restart the system by pressing <Ctrl>+<Alt>+<Delete>, or by pressing the reset button on the system chassis. You can also restart by turning the system off and then back on. Do this last option only if the first two failed. The Setup program is designed to make it as easy to use as possible. Being a menu-driven program, it lets you scroll through the various sub-menus and make your selections from the available options using the navigation keys.

The default BIOS settings for this motherboard apply for most conditions to ensure optimum performance. If the system becomes unstable after changing any BIOS settings, load the default settings to ensure system compatibility and stability. Select the Load Default Settings item under the Exit Menu. See section 2.7 Exit Menu. The BIOS setup screens shown in this section are for reference purposes only, and may not exactly match what you see on your screen. Visit the ASUS website (www.asus.com) to download the latest BIOS file for this motherboard and.

2.2.1 BIOS menu screen

Menu items Menu bar Configuration fields General help
System Time System Date Legacy Diskette A Primary IDE Master Primary IDE Slave Third IDE Master Third IDE Slave Fourth IDE Master Fourth IDE Slave IDE Configuration System Information
[11:51:19] [Thu 05/07/2004] [1.44M, 3.5 in] :[ST320413A] :[Not Detected] :[Not Detected] :[Not Detected] :[Not Detected] :[Not Detected]
Use [ENTER], [TAB] or [SHIFT-TAB] to select a field. Use [+] or [-] to configure system time.

Sub-menu items

Navigation keys

2.2.2 Menu bar

The menu bar on top of the screen has the following main items: Main Advanced Power Boot Exit For changing the basic system configuration For changing the advanced system settings For changing the advanced power management (APM) configuration For changing the system boot configuration For selecting the exit options and loading default settings
To select an item on the menu bar, press the right or left arrow key on the keyboard until the desired item is highlighted.

2.2.3 Navigation keys

At the bottom right corner of a menu screen are the navigation keys for that particular menu. Use the navigation keys to select items in the menu and change the settings.
Some of the navigation keys differ from one screen to another. 2-12 Chapter 2: BIOS setup

2.2.4 Menu items

The highlighted item on the menu bar displays the specific items for that menu. For example, selecting Main shows the Main menu items. The other items (Advanced, Power, Boot, and Exit) on the menu bar have their respective menu items.
System Time System Date Legacy Diskette A Language Primary IDE Master Primary IDE Slave Secondary IDE Master Secondary IDE Slave Third IDE Master Fourth IDE Master IDE Configuration System Information [11:10:19] [Thu 03/27/2003] [1.44M, 3.5 in] [English] :[ST320413A] :[ASUS CD-S340] :[Not Detected] :[Not Detected] :[Not Detected] :[Not Detected] Use [ENTER], [TAB] or [SHIFT-TAB] to select a field. Use [+] or [-] to configure system time.

32Bit Data Transfer [Disabled]
Enables or disables 32-bit data transfer. Configuration options: [Disabled] [Enabled]

2.3.5 IDE Configuration

The items in this menu allow you to set or change the configurations for the IDE devices installed in the system. Select an item then press <Enter> if you wish to configure the item.
IDE Configuration Onboard IDE Operate Mode [Enhanced Mode] Enhanced Mode Support On [S-ATA] IDE Detect Time Out (Sec) [35]
Onboard IDE Operate Mode [Enhanced Mode]
Disables or allows selection of the IDE operation mode depending on the installed operating system (OS). Set to [Enhanced Mode] if you are using native OS including Windows 2000/XP. Configuration options: [Disabled] [Compatible Mode] [Enhanced Mode]
Enhanced Mode Support On [S-ATA] Allows you to use native OS on Serial ATA and Parallel ATA ports. It is recommend that you do not change the default setting for better OS compatibility. In this setting, you may use legacy OS on the Parallel ATA ports only if you do not install any Serial ATA device.
The P-ATA+S-ATA and P-ATA options are for advanced users only. If you set to any of these options and encountered problems, revert to the default setting S-ATA. Configuration options: [S-ATA+P-ATA] [SATA] [P-ATA]
Compatible Mode Option [Primary P-ATA +S-ATA] Allows you to choose the IDE ports to be used. Configuration options: [Primary P-ATA +S-ATA] [S-ATA only] [P-ATA only]
The S-ATA and P-ATA options are for advanced users only. If you set to any of these options and encounter problems, revert to the default setting [Secondary P-ATA+S-ATA]. Configuration options: [S-ATA only] [P-ATA only] [P-ATA+S-ATA]
The Combined Mode Option item appears only when the Onboard IDE Operate Mode item is set to [Compatible Mode].
The Onboard IDE Operate Mode and its sub-menu items appear only when the Configure SATA As item is set to [Standard IDE].

IDE Detect Time Out [35]

Selects the time out value for detecting ATA/ATAPI devices. Configuration options: [0] [5] [10] [15] [20] [25] [30] [35]

2.3.6 System Information

This menu gives you an overview of the general system specifications. The BIOS automatically detects the items in this menu.
AMIBIOS Version : 0106 Build Date : 01/06/06 Processor Type Speed Count
: Genuine Intel(R) CPU 3.20GHz : 3200 MHz : 1
System Memory Size : 512MB

AMI BIOS

Displays the auto-detected BIOS information

Processor

Displays the auto-detected CPU specification

System Memory

Displays the auto-detected system memory

Advanced menu

The Advanced menu items allow you to change the settings for the CPU and other system devices.
Take caution when changing the settings of the Advanced menu items. Incorrect field values can cause the system to malfunction.

PEG Link Mode [Auto]

Sets the PCI Express Graphics link mode. Configuration options: [Auto] [Slow] [Normal] [Fast] [Faster]

PEG Root Control [Auto]

Enables or disables the PCI Express Graphics root control. Configuration options: [Auto] [Disabled] [Enabled]

Slot Power [Auto]

Sets the slot operating power. Configuration options: [Auto] [Light] [Normal] [Heavy] [Heavier]
2.4.5 Onboard Devices Configuration
Configure Win627EHF Super IO Chipset HD Audio Controller [Enabled] Onboard LAN [Enabled] LAN Option ROM [Disabled] Serial Port1 Address [3F8/IRQ4] Parallel Port Address [378] Parallel Port Mode [ECP] ECP Mode DMA Channel [DMA3] Parallel Port IRQ [IRQ7] Enable or Disable High Definition Audio Controller
HD Audio Controller [Enabled]
Enables or disables the High Definition/AC97 CODEC. Configuration options: [Enabled] [Disabled]

OnBoard LAN [Enabled]

Allows you to enable or disable the onboard PCI Express Gigabit LAN controller. Configuration options: [Disabled] [Enabled]
LAN Option ROM [Disabled]
This item allows you to enable or disable the option ROM in the onboard LAN controller. This item appears only when the Onboard LAN item is set to Enabled. Configuration options:[Disabled] [Enabled]
Serial Port1 Address [3F8/IRQ4]
Allows you to select the Serial Port1 base address. Configuration options: [Disabled] [3F8/IRQ4] [2F8/IRQ3] [3E8/IRQ4] [2E8/IRQ3]
Parallel Port Address [378]
Allows you to select the Parallel Port base addresses. Configuration options: [Disabled] [378] [278] [3BC]

Parallel Port Mode [ECP]

Allows you to select the Parallel Port mode. Configuration options: [Normal] [Bi-directional] [EPP] [ECP]
ECP Mode DMA Channel [DMA3]
Appears only when the Parallel Port Mode is set to [ECP]. This item allows you to set the Parallel Port ECP DMA. Configuration options: [DMA0] [DMA1] [DMA3]

Parallel Port IRQ [IRQ7] Configuration options: [IRQ5] [IRQ7]
Onboard Game/MIDI Port [Disabled]
Allows you to select the Game Port address or to disable the port. Configuration options: [Disabled] [200/300] [200/330] [208/300] [208/330]

2.4.6 PCI PnP

The PCI PnP menu items allow you to change the advanced settings for PCI/PnP devices. The menu includes setting IRQ and DMA channel resources for either PCI/PnP or legacy ISA devices, and setting the memory size block for legacy ISA devices.
Take caution when changing the settings of the PCI PnP menu items. Incorrect field values can cause the system to malfunction.
Advanced PCI/PnP Settings WARNING: Setting wrong values in below sections may cause system to malfunction. Plug And Play O/S [No] PCI Latency Timer [64] Allocate IRQ to PCI VGA [Yes] Palette Snooping [Disabled] IRQ-3 assigned to [PCI Device] IRQ-4 assigned to [PCI Device] IRQ-5 assigned to [PCI Device] IRQ-7 assigned to [PCI Device] IRQ-9 assigned to [PCI Device] IRQ-10 assigned to [PCI Device] IRQ-11 assigned to [PCI Device] IRQ-14 assigned to [PCI Device] IRQ-15 assigned to [PCI Device]

Plug and Play O/S [No]

When set to [No], BIOS configures all the devices in the system. When set to [Yes] and if you install a Plug and Play operating system, the operating system configures the Plug and Play devices not required for boot. Configuration options: [No] [Yes]

PCI Latency Timer [64]

Allows you to select the value in units of PCI clocks for the PCI device latency timer register. Configuration options: [32] [64] [96] [128] [160] [192] [224] [248]
Allocate IRQ to PCI VGA [Yes]
When set to [Yes], BIOS assigns an IRQ to PCI VGA card if the card requests for an IRQ. When set to [No], BIOS does not assign an IRQ to the PCI VGA card even if requested. Configuration options: [No] [Yes]
Palette Snooping [Disabled]
When set to [Enabled], the pallete snooping feature informs the PCI devices that an ISA graphics device is installed in the system so that the latter can function correctly. Configuration options: [Disabled] [Enabled]
IRQ-xx assigned to [PCI Device]
When set to [PCI Device], the specific IRQ is free for use of PCI/PnP devices. When set to [Reserved], the IRQ is reserved for legacy ISA devices. Configuration options: [PCI Device] [Reserved]

CPU Fan Ratio [Auto]

Allows you to select the appropriate CPU fan speed ratio for the system. The default [Auto] automatically selects the fan speed ratio when operating a low CPU temperature. Select a higher ratio if you installed additional devices and the system requires more ventilation. This item appears only when the CPU Q-Fan Control item is Enabled. Configuration options: [Auto] [90%] [80%] [70%] [60%] ~[20%]
CPU Target Temperature [xxxC]
Allows you to set the CPU temperature threshold when the CPU fan speed is increased to lower the CPU temperature. This item appears only when the CPU Q-Fan Control item is Enabled. The configuration options vary depending on the CPU installed.
Chassis Fan Speed [xxxxRPM] or [N/A]
The onboard hardware monitor automatically detects and displays the chassis fan speed in rotations per minute (RPM). If the fan is not connected to the chassis, the specific field shows N/A. Configuration options: [Ignored] [N/A]
VCORE Voltage, 3.3V Voltage, 5V Voltage, 12V Voltage
The onboard hardware monitor automatically detects the voltage output through the onboard voltage regulators. Configuration options: [Ignored] [X.XXXV]

Boot menu

The Boot menu items allow you to change the system boot options. Select an item then press <Enter> to display the sub-menu.
APM Configuration Boot Device Priority Boot Settings Configuration Security
2.6.1 Boot Device Priority
Boot Device Priority 1st Boot Device [1st FLOPPY DRIVE] 2nd Boot Device [PM-ST330620A] 3rd Boot Device [PS-ASUS CD-S360]
1st ~ xxth Boot Device [1st Floppy Drive]
Select Item These items specify the boot device priority sequence from the available Enter Go to Sub-screen devices. The number of device items that appears on F1 screen depends the General Help F10 Save and Exit on the number of devices installed in the system. ESC Exit Configuration options: [xxxxx Drive] [Disabled]

Select Screen

2.6.2 Hard Disk Drives
Hard Disk Drives 1st Drive 2nd Drive

[XXXXXXXXX] [XXXXXXXXX]

1st ~ xxth Drive [XXXXXX]
These items specify the boot device sequence of available Select ScreenThe disk drives. Select Item number of disk drives that appear on the screen depends on the number of Enter Go to Sub-screen drives installed in the system. Configuration options: [XXXXXXX] [Disabled] F1 General Help

Using the Intel EM64T feature
To use the Intel EM64T feature: 1. 2. 3. 4. Install an Intel Pentium 4 CPU that supports the Intel EM64T. Install a 64-bit operating system (Windows XP Professional x64 Edition or Windows Server 2003 x64 Edition). Install the 64-bit drivers for the motherboard components and devices from the support CD. Install the 64-bit drivers for expansion cards or add-on devices, if any.
Refer to the expansion card or add-on device(s) documentation, or visit the related website, to verify if the card/device supports a 64-bit system.
The motherboard comes with a BIOS file that supports EIST. You can download the latest BIOS file from the ASUS website (www. asus.com/support/download/) if you need to update the BIOS. See Chapter 2 for details. Visit www.intel.com for more information on the EIST feature.
A.2.1 System requirements
Before using EIST, check your system if it meets the following requirements: Intel Pentium 4 processor with EIST support BIOS file with EIST support Operating system with EIST support (Windows XP SP2/Windows Server 2003 SP1/Linux 2.6 kernel or later versions)

A.2.2 Using the EIST

To use the EIST feature: 1. 2. 3. 4. 5. 6. 7. Turn on the computer, then enter the BIOS Setup. Go to the Advanced Menu, highlight CPU Configuration, then press <Enter>. Set the Intel(R) SpeedStep Technology item to [Automatic], then press <Enter>. Press <F10> to save your changes and exit the BIOS setup. After the computer restarts, right click on a blank space on the desktop, then select Properties from the pop-up menu. When the Display Properties window appears, click the Screen Saver tab. Click the Power button on the Monitor power section to open the Power Options Properties window.
On the Power schemes section, click , then select any option except Home/Office Desktop or Always On. Click Apply, then click OK.
10. Close the Display Properties window. After you adjust the power scheme, the CPU internal frequency slightly decreases when the CPU loading is low.
The screen displays and procedures may vary depending on the operating system.
Intel Hyper-Threading Technology
The motherboard supports Intel Pentium 4 LGA775 processors with Hyper-Threading Technology. Hyper-Threading Technology is supported under Windows XP/2003 Server and Linux 2.4.x (kernel) and later versions only. Under Linux, use the Hyper-Threading compiler to compile the code. If you are using any other operating systems, disable the Hyper-Threading Techonology item in the BIOS to ensure system stability and performance. Installing Windows XP Service Pack 1 or later version is recommended. Make sure to enable the Hyper-Threading Technology item in BIOS before installing a supported operating system. For more information on Hyper-Threading Technology, visit www. intel.com/info/hyperthreading.