Asus P4S8X User manual

Motherboard

P4S8X-MX

iiii

ii

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.

E1997E1997

E1997

First Edition V1First Edition V1

First Edition V1

April 2005April 2005

April 2005

iiiiii

iii

Contents

Notices ................................................................................................ vi

Safety information ............................................................................. vii

P4S8X-MX specifications summary ................................................... viii

Chapter 1: Product introductionChapter 1: Product introduction

Chapter 1: Product introduction

1.1 Welcome! .............................................................................. 1-2

1.2 Package contents ................................................................. 1-2

1.3 Special features .................................................................... 1-2

1.4 Before you proceed .............................................................. 1-5

1.5 Motherboard overview .......................................................... 1-6

1.5.1 Motherboard layout ................................................ 1-6

1.5.2 Placement direction ................................................ 1-7

1.5.3 Screw holes ............................................................ 1-7

1.6 Central Processing Unit (CPU) .............................................. 1-8

1.6.1 Overview ................................................................. 1-8

1.6.2 Installing the CPU.................................................... 1-8

1.6.3 Installing the heatsink and fan .............................. 1-11

1.7 System memory ................................................................. 1-14

1.7.1 Overview ............................................................... 1-14

1.7.2 Memory configurations ......................................... 1-14

1.7.3 Installing a DIMM ................................................... 1-16

1.7.4 Removing a DIMM ................................................. 1-16

1.8 Expansion slots ................................................................... 1-17

1.8.1 Installing an expansion card .................................. 1-17

1.8.2 Configuring an expansion card.............................. 1-17

1.8.3 PCI slots ................................................................ 1-19

1.8.4 AGP slot ................................................................ 1-19

1.9 Jumpers .............................................................................. 1-20

1.10 Connectors ......................................................................... 1-23

1.10.1 Rear panel connectors .......................................... 1-23

1.10.2 Internal connectors............................................... 1-25

iviv

iv

Contents

Chapter 2: BIOS setupChapter 2: BIOS setup

Chapter 2: BIOS setup

2.1 Managing and updating your BIOS ........................................ 2-2

2.1.1 Creating a bootable floppy disk .............................. 2-2

2.1.2 ASUS EZ Flash utility .............................................. 2-3

2.1.3 AFUDOS utility ........................................................ 2-4

2.1.4 ASUS CrashFree BIOS 2 utility ................................ 2-6

2.1.5 ASUS Update utility ................................................ 2-8

2.2 BIOS setup program ........................................................... 2-11

2.2.1 BIOS menu screen ................................................. 2-12

2.2.2 Menu bar ............................................................... 2-12

2.2.3 Navigation keys .................................................... 2-12

2.2.4 Menu items ........................................................... 2-13

2.2.5 Sub-menu items ................................................... 2-13

2.2.6 Configuration fields .............................................. 2-13

2.2.7 Pop-up window ..................................................... 2-13

2.2.8 Scroll bar .............................................................. 2-13

2.2.9 General help .......................................................... 2-13

2.3 Main menu .......................................................................... 2-14

2.3.1 System Time ......................................................... 2-14

2.3.2 System Date ......................................................... 2-14

2.3.3 Legacy Diskette A ................................................ 2-14

2.3.4 Primary and Secondary IDE Master/Slave ............. 2-15

2.3.5 OnChip SATA Controller ....................................... 2-16

2.3.6 System Information .............................................. 2-16

2.4 Advanced menu .................................................................. 2-17

2.4.1 JumperFree Configuration .................................... 2-18

2.4.2 CPU Configuration ................................................. 2-20

2.4.3 Chipset ................................................................. 2-21

2.4.4 Onboard Devices Configuration ............................ 2-23

2.4.5 PCI PnP ................................................................. 2-24

2.4.6 USB Configuration................................................. 2-27

vv

v

Contents

2.5 Power menu ........................................................................ 2-28

2.5.1 Suspend Mode ...................................................... 2-28

2.5.2 ACPI 2.0 Support .................................................. 2-28

2.5.3 ACPI APIC Support ................................................ 2-28

2.5.4 APM Configuration ................................................ 2-29

2.5.5 Hardware Monitor ................................................. 2-31

2.6 Boot menu .......................................................................... 2-32

2.6.1 Boot Device Priority .............................................. 2-32

2.6.2 Removable Drives ................................................. 2-33

2.6.3 Boot Settings Configuration ................................. 2-33

2.6.4 Security ................................................................ 2-35

2.7 Exit menu ........................................................................... 2-37

Chapter 3: Software supportChapter 3: Software support

Chapter 3: Software support

3.1 Installing an operating system ............................................. 3-2

3.2 Support CD information ........................................................ 3-2

3.2.1 Running the support CD ......................................... 3-2

3.2.2 Drivers menu .......................................................... 3-3

3.2.3 Utilities menu .......................................................... 3-4

3.2.4 ASUS Contact information ...................................... 3-6

3.2.5 Other information ................................................... 3-6

3.3 RAID configurations .............................................................. 3-8

3.3.1 Installing hard disks ................................................ 3-8

3.3.2 SIS RAID configurations .......................................... 3-9

3.4 Creating a RAID driver disk ................................................. 3-18

vivi

vi

Notices

Federal Communications Commission StatementFederal Communications Commission Statement

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

manufacturer’s 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.

Canadian Department of Communications StatementCanadian Department of Communications Statement

Canadian Department of Communications Statement

This digital apparatus does not exceed the Class B limits for radio noise

emissions from digital apparatus set out in the Radio Interference

Regulations of the Canadian Department of Communications.

This class B digital apparatus complies with CanadianThis class B digital apparatus complies with Canadian

This class B digital apparatus complies with Canadian

ICES-003.ICES-003.

ICES-003.

The use of shielded cables for connection of the monitor to the graphics

card is required to assure compliance with FCC regulations. Changes or

modifications to this unit not expressly approved by the party

responsible for compliance could void the user’s authority to operate

this equipment.

viivii

vii

Safety information

Electrical safetyElectrical safety

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.

•

Before connecting or removing signal cables from the motherboard,

ensure that all power cables are unplugged.

•

Seek professional assistance before using an adapter or extension cord.

These devices could interrupt the grounding circuit.

•

Make sure that your power supply is set to the correct voltage in your

area. If you are not sure about the voltage of the electrical outlet you are

using, contact your local power company.

•

If the power supply is broken, do not try to fix it by yourself. Contact a

qualified service technician or your retailer.

Operation safetyOperation safety

Operation safety

•

Before installing the motherboard and adding devices on it, carefully read

all the manuals that came with the package.

•

Before using the product, make sure all cables are correctly connected

and the power cables are not damaged. If you detect any damage,

contact your dealer immediately.

•

To avoid short circuits, keep paper clips, screws, and staples away from

connectors, slots, sockets and circuitry.

•

Avoid dust, humidity, and temperature extremes. Do not place the

product in any area where it may become wet.

•

Place the product on a stable surface.

•

If you encounter technical problems with the product, contact a qualified

service technician or your retailer.

viiiviii

viii

P4S8X-MX specifications summary

(continued on the next page)

CPUCPU

CPU

ChipsetChipset

Chipset

Front Side BusFront Side Bus

Front Side Bus

MemoryMemory

Memory

Expansion slotsExpansion slots

Expansion slots

GraphicsGraphics

Graphics

StorageStorage

Storage

AudioAudio

Audio

LANLAN

LAN

OverclockingOverclocking

Overclocking

USBUSB

USB

Special featuresSpecial features

Special features

Socket 478 for Intel

®

Pentium

®

4 / Celeron processors

Supports Intel

®

Hyper-Threading Technology

Northbridge: SiS 661GX

Southbridge: SiS 964

800*/533 MHz

2 x 184-pin DIMM sockets support up to 2 GB of

unbufferred non-ECC 400**/333 MHz DDR SDRAM

memory modules

1 x AGP 8X slot (1.5 V only)

3 x PCI slots

SiS Real 256E Graphics

SiS 964 Southbridge supports:

- 4 x Ultra DMA 133/100/66/33 hard disk drives

- 2 x Serial ATA drives with RAID 0, RAID 1, and

JBOD configuration

Realtek

®

ALC655 6-channel CODEC

Coaxial S/PDIF out port

Realtek

®

RTL8201CL 10/100 Mbps LAN PHY

Stepless Frequency Selection (SFS) from 100 MHz up

to 200 MHz at 1 MHz increment

AGP/PCI Asynchronous Mode with FSB

ASUS C.P.R. (CPU Parameter Recall)

Supports up to 8 USB 2.0 ports

ASUS CrashFree BIOS 2

ASUS EZ Flash

ASUS MyLogo2™

* The motherboard runs at FSB800 when in overclock mode.

** 1. When using an FSB800 CPU with 400 MHz DDR memory, the

motherboard runs at 333 MHz by default.

2. When using an FSB533 CPU with 400 MHz DDR memory, the

motherboard runs at 400 MHz.

ixix

ix

*Specifications are subject to change without notice.

P4S8X-MX specifications summary

BIOS featuresBIOS features

BIOS features

Rear panelRear panel

Rear panel

InternalInternal

Internal

connectorsconnectors

connectors

PowerPower

Power

RequirementRequirement

Requirement

Form FactorForm Factor

Form Factor

Support CDSupport CD

Support CD

contentscontents

contents

4 Mb Flash ROM, AMI BIOS, Green, PnP, DMI2.0,

SM BIOS 2.3, WfM2.0, ACPI 2.0

1 x Parallel port

1 x LAN (RJ-45) port

4 x USB 2.0 ports

1 x VGA port

1 x Serial port (COM)

1 x PS/2 keyboard port

1 x PS/2 mouse port

6-channel audio ports

1 x Floppy disk drive connector

1 x Primary IDE connector

1 x Secondary IDE connector

2 x Serial ATA connectors

1 x CPU fan connector

1 x Chassis fan connector

2 x USB 2.0 connectors for four additional USB 2.0 ports

1 x Optical drive audio connector

1 x AUX connector

20-pin ATX power connector

4-pin x ATX 12V power connector

1 x GAME/MIDI connector

1 x S/PDIF Out connector

1 x Front panel audio connector

System panel connector

ATX power supply (with 20-pin and 4-pin 12 V plugs)

ATX 12 V 2.0 compliant

ATX form factor: 9.6 in x 9.6 in (24.5 cm x 24.5 cm)

Device drivers

ASUS PC Probe

ASUS Live Update utility

ASUS Screensaver

Adobe Acrobat Reader

Anti-virus software (OEM version)

xx

x

1

Product

introduction

This chapter describes the motherboard

features and the new technologies

it supports.

1-21-2

1-2 Chapter 1: Product introductionChapter 1: Product introduction

Chapter 1: Product introductionChapter 1: Product introduction

Chapter 1: Product introduction

1.1 Welcome!

Thank you for buying an ASUSThank you for buying an ASUS

Thank you for buying an ASUS

®®

®

P4S8X-MX motherboard! P4S8X-MX motherboard!

P4S8X-MX motherboard!

The motherboard delivers a host of new features and latest technologies,

making it another standout in the long line of ASUS quality motherboards!

Before you start installing the motherboard, and hardware devices on it,

check the items in your package with the list below.

If any of the above items is damaged or missing, contact your retailer.

1.2 Package contents

Check your motherboard package for the following items.

MotherboardMotherboard

Motherboard ASUS P4S8X-MX motherboard

CablesCables

Cables 1 x Serial ATA signal cable

1 x Serial ATA power cable

1 x Ultra DMA 133/100/66 cable

Floppy disk drive cable

AccessoriesAccessories

Accessories I/O shield

Application CDsApplication CDs

Application CDs ASUS motherboard support CD

DocumentationDocumentation

Documentation User guide

1.3 Special features

SiS661GX/964 chipsetSiS661GX/964 chipset

SiS661GX/964 chipset

Embedded in this motherboard is the SiS661GX/964 chipset that

integrates various SiS-developed technologies to ensure an efficient and

reliable computing performance.

The SiS661GX chipset provides a high performance host interface for the

Intel

®

Pentium

®

4 processor, and supports AGP 8X and DDR400. The

SiS661GX features the SiS HyperStreaming™ Engine that smartly manages

data streams between peripherals, core logic chipsets, front side bus,

memory and graphic interfaces. This technology dramatically optimizes and

improves the entire computer system performance.

Providing I/O and peripheral support is the SiS964 Southbridge, which

integrates various I/O functions including dual-channel ATA133 bus master

IDE, USB 2.0/1.1, Ethernet, and audio controllers. The SiS964 provides

ASUS P4S8X-MXASUS P4S8X-MX

ASUS P4S8X-MX 1-31-3

1-31-3

1-3

LPC and AC’97 interfaces, and complies with the Advanced Power

Management (APM) 1.2 specification. The SiS964 interconnects with the

Northbridge at up to 1GB/s using the SiS proprietary MuTIOL

®

bus

interface.

Real256E integrated graphics Real256E integrated graphics

Real256E integrated graphics

Embedded in the Northbridge is the SiS Real256E integrated graphics with

a 256-bit 3D engine and 2D graphics accelerator with a maximum 64MB

shared display memory. The Real256E integrated graphics engine

incorporates the UltraAGPII™ technology to provide a faster link between

the built-in graphic engine and the northbridge memory controller. This

technology boosts VGA throughput to up to 3.2 GB/s to bring clearer and

sharper images for your multimedia and graphic-intensive applications. The

Real256E integrated graphics achieves a maximum resolution of

2048x1536 at 32 bpp. See page 1-24.

Serial ATA technology Serial ATA technology

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. See page 1-27 for details.

Integrated 10/100 Mbps LAN controller Integrated 10/100 Mbps LAN controller

Integrated 10/100 Mbps LAN controller

Onboard is the Realtek

®

LAN PHY that interconnects with the SiS964

southbridge LAN controller to fully support 10BASE-T/ 100BASE-TX

Ethernet networking. See page 1-23.

6-Channel Audio solution 6-Channel Audio solution

6-Channel Audio solution

The motherboard uses an onboard audio CODEC that lets you enjoy high-

quality 6-channel audio without having to buy advanced sound cards. See

page 1-23.

DDR400 Support DDR400 Support

DDR400 Support

The motherboard supports up to 2 GB system memory using DDR400/

333/266 non-ECC DDR DIMMs to deliver up to 3.2 GB/s data transfer rate

for the latest 3D graphics, multimedia, and Internet applications. See page

1-15 for details.

1-41-4

1-4 Chapter 1: Product introductionChapter 1: Product introduction

Chapter 1: Product introductionChapter 1: Product introduction

Chapter 1: Product introduction

USB 2.0 technology USB 2.0 technology

USB 2.0 technology

The motherboard implements the Universal Serial Bus (USB) 2.0

specification, dramatically increasing the connection speed from the

12 Mbps 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 and 1-29 for details.

ASUS CrashFree BIOS 2 ASUS CrashFree BIOS 2

ASUS CrashFree BIOS 2

This feature allows you to restore the original BIOS data from the support

CD in case when the BIOS codes and data are corrupted. This protection

eliminates the need to buy a replacement ROM chip. See page 2-6 for

details.

ASUS EZ Flash BIOS ASUS EZ Flash BIOS

ASUS EZ Flash BIOS

With the ASUS EZ Flash, you can easily update the system BIOS even

before loading the operating system. No need to use a DOS-based utility or

boot from a floppy disk. See page 2-3 for details.

ASUS MyLogo2™ ASUS MyLogo2™

ASUS MyLogo2™

This new feature present in the motherboard allows you to personalize and

add style to your system with customizable boot logos. See page 2-33 for

details.

C.P.R. (CPU Parameter Recall) C.P.R. (CPU Parameter Recall)

C.P.R. (CPU Parameter Recall)

The C.P.R. feature of the motherboard BIOS allows automatic re-setting to

the BIOS default settings in case the system hangs due to overclocking.

When the system hangs due to overclocking, C.P.R. eliminates the need to

open the system chassis and clear the RTC data. Simply shut down and

reboot the system, and the BIOS automatically restores the CPU default

setting for each parameter.

ASUS P4S8X-MXASUS P4S8X-MX

ASUS P4S8X-MX 1-51-5

1-51-5

1-5

Onboard LEDOnboard LED

Onboard LED

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.

1.4 Before you proceed

Take note of the following precautions before you install motherboard

components or change any motherboard settings.

• Unplug the power cord from the wall socket before touching any

component.

• Use a grounded wrist strap or touch a safely grounded object or a

metal object, such as the power supply case, before handling

components to avoid damaging them due to static electricity

• Hold components by the edges to avoid touching the ICs on them.

• Whenever you uninstall any component, place it on a grounded

antistatic pad or in the bag that came with the component.

•Before you install or remove any component, ensureBefore you install or remove any component, ensure

Before you install or remove any component, ensureBefore you install or remove any component, ensure

Before you install or remove any component, ensure

that the ATX power supply is switched off or thethat the ATX power supply is switched off or the

that the ATX power supply is switched off or the

power cord is detached from the power supply. power cord is detached from the power supply.

power cord is detached from the power supply. Failure

to do so may cause severe damage to the motherboard, peripherals,

and/or components.

P4S8X-MX

P4S8X-MX Onboard LED

SB_PWR

ON

Standby

Power

OFF

Powere

d

Off

1-61-6

1-6 Chapter 1: Product introductionChapter 1: Product introduction

Chapter 1: Product introductionChapter 1: Product introduction

Chapter 1: Product introduction

1.5.11.5.1

1.5.1 Motherboard layoutMotherboard layout

Motherboard layoutMotherboard layout

Motherboard layout

1.5 Motherboard overview

12 23

CLRTC1

NormalClear CMOS (Default)

USBPW34

USBPW12

+5V

(Default) +5VSB

2321

USBPW56

USBPW78

+5V

(Default) +5VSB

2321

(Default)

+5V +5VSB

KBPWR 2312 PANEL

*

Requires an ATX power supply.

PLED-

PWR +5V

Speaker

PLED

Ground

RESET

Ground

Reset Ground

Ground

PLED+

IDE_LED-

IDE_LED+

IDE_LED

SPEAKER

PWRSW

24.5cm (9.6in)

PCI1

P4S8X-MX

CR2032 3V

Lithium Cell

CMOS Power

CDAUX

Super

I/O

4Mb

BIOS

PS/2KBMS

T: Mouse

B: Keyboard

Below:Mic In

Center:Line Out

Top:Line In

AGP

CPU_FAN1

FP_AUDIO

RTL8201CL

GAME

CLRTC1

FLOPPY

PRI_IDE

SEC_IDE

ATXPWR

DDR DIMM1 (64 bit,184-pin module)

DDR DIMM2 (64 bit,184-pin module)

USB12

USB56

24.5cm (9.6in)

USBPW12

USBPW34

USBPW56

PARALLEL PORT

COM1

VGA

PCI2

PCI3

SPDIF

SiS

661GX

North Bridge

SiS

964

Chipset

SB_PWR

KBPWR

Socket 478

ATX12V

USB34

USBPW78

ALC655

USB78 PANEL

SATA2

SATA1

TOP

RJ-45

ASUS P4S8X-MXASUS P4S8X-MX

ASUS P4S8X-MX 1-71-7

1-71-7

1-7

P4S8X-MX

Do not overtighten the screws! Doing so can damage the motherboard.

1.5.21.5.2

1.5.2 Placement directionPlacement direction

Placement directionPlacement direction

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.

Place this side towardsPlace this side towards

Place this side towards

the rear of the chassisthe rear of the chassis

the rear of the chassis

1.5.31.5.3

1.5.3 Screw holesScrew holes

Screw holesScrew holes

Screw holes

Place eight (8) screws into the holes indicated by circles to secure the

motherboard to the chassis.

1-81-8

1-8 Chapter 1: Product introductionChapter 1: Product introduction

Chapter 1: Product introductionChapter 1: Product introduction

Chapter 1: Product introduction

Take note of the marked corner (with

gold triangle) on the CPU. This mark

should match a specific corner on the

socket to ensure correct installation.

Incorrect installation of the CPU into the socket can bend the pins and

severely damage the CPU!

Gold mark

1.6.11.6.1

1.6.1 OverviewOverview

OverviewOverview

Overview

The motherboard comes with a surface mount 478-pin Zero Insertion Force

(ZIF) socket designed for the Intel

®

Pentium

®

4 Processor.

1.6 Central Processing Unit (CPU)

1.6.21.6.2

1.6.2 Installing the CPUInstalling the CPU

Installing the CPUInstalling the CPU

Installing the CPU

Follow these steps to install a CPU.

1. Locate the 478-pin ZIF socket on the motherboard.

Your boxed Intel

®

Pentium

®

4 processor package should come with

installation instructions for the CPU, heatsink, and the retention

mechanism. If the instructions in this section do not match the CPU

documentation, follow the latter.

P4S8X-MX

P4S8X-MX CPU Socket 478

Gold Arrow

ASUS P4S8X-MXASUS P4S8X-MX

ASUS P4S8X-MX 1-91-9

1-91-9

1-9

Socket leverSocket lever

Socket lever

90°-100°90°-100°

90°-100°

angleangle

angle

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 markGold mark

Gold mark

2. Unlock the socket by pressing

the lever sideways, then lift it up

to a 90°-100° angle.

1-101-10

1-10 Chapter 1: Product introductionChapter 1: Product introduction

Chapter 1: Product introductionChapter 1: Product introduction

Chapter 1: Product introduction

To use the Hyper-Threading Technology on this motherboard:

1. Install an Intel

®

Pentium

®

4 CPU that supports Hyper-Threading

Technology.

2. Power up the system and enter BIOS Setup (see Chapter 2: BIOS

setup). Under the Advanced Menu, make sure that the item

Hyper-Threading TechnologyHyper-Threading Technology

Hyper-Threading Technology is set to Enabled. The item appears

only if you installed a CPU that supports Hyper-Threading Technology.

3. Reboot the computer.

5. When the CPU is in place, push

down the socket lever to secure

the CPU. The lever clicks on the

side tab to indicate that it is

locked.

After installation, make sure to plug the 4-pin ATX power cable to the

motherboard.

Notes on IntelNotes on Intel

Notes on Intel

®®

®

Hyper-Threading Technology Hyper-Threading Technology

Hyper-Threading Technology

• This motherboard supports Intel

®

Pentium

®

4 CPUs 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

Technology item in BIOS to ensure system stability and

performance.

• We recommend that you install Windows

®

XP Service Pack 1.

• 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.

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