ASUS P4S333-VM User Manual

P4S333-VM

User Guide

Motherboard

Checklist

P4S333-VM E922 November 2001

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

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 .............................................. ix

ASUS contact information ................................................................x

Chapter 1: Product introduction ......................................... 1-1

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

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

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

1.3.1 Product highlights ................................................... 1-2

1.3.2 Value-added solutions ............................................ 1-3

1.4 Overview............................................................................. 1-4

1.4.1 Motherboard components ....................................... 1-4

Chapter 2: Hardware information ........................................ 2-1

2.1 Motherboard installation ...................................................... 2-1

2.1.1 Placement direction ................................................ 2-1

2.1.2 Screw holes............................................................ 2-1

Features

2.2 Motherboard layout ............................................................. 2-2

2.3 Before you proceed............................................................. 2-3

2.4 Central Processing Unit (CPU) ............................................ 2-4

2.4.1 Overview ................................................................ 2-4

2.4.2 Installing the CPU ................................................... 2-5

2.4.3 Installing the heatsink and fan................................. 2-7

2.4.4 Connecting the CPU fan cable................................ 2-9

2.5 System memory ................................................................ 2-10

2.5.1 Overview .............................................................. 2-10

2.5.2 Memory configurations ..........................................2-11

2.5.3 Installing a DIMM .................................................. 2-12

2.5.4 Removing a DIMM................................................ 2-13

iii

Safeguards

Contents

2.6 Expansion slots................................................................. 2-14

2.6.1 Installing an expansion card.................................. 2-14

2.6.2 Configuring an expansion card ............................. 2-15

2.6.3 PCI slots ............................................................... 2-16

2.6.4 AGP slot ............................................................... 2-16

2.7 Jumpers............................................................................ 2-17

2.8 Connectors ....................................................................... 2-19

Chapter 3: Powering up ....................................................... 3-1

3.1 Starting up for the first time.................................................. 3-1

3.3 Powering off the computer................................................... 3-2

Chapter 4: BIOS setup ......................................................... 4-1

4.1 Managing and updating your BIOS...................................... 4-1

4.1.1 Using the computer system for the first time ........... 4-1

4.1.2 Updating BIOS procedures ..................................... 4-3

4.2 BIOS Setup program........................................................... 4-5

4.2.1 BIOS menu bar....................................................... 4-6

4.2.2 Legend bar ............................................................. 4-6

4.3 Main menu .......................................................................... 4-8

4.3.1 Primary & Secondary Master/Slave ........................ 4-9

4.3.2 Keyboard Features ............................................... 4-13

4.4 Advanced Menu ................................................................ 4-15

4.4.1 Chip Configuration ................................................ 4-17

4.4.2 I/O Device Configuration....................................... 4-20

4.4.3 PCI Configuration ................................................. 4-22

4.5 Power Menu...................................................................... 4-25

4.5.1 Power Up Control ................................................. 4-27

4.5.2 Hardware Monitor ................................................. 4-29

4.6 Boot Menu ........................................................................ 4-30

4.7 Exit Menu.......................................................................... 4-32

Contents

Chapter 5: Software support ............................................... 5-1

5.1 Install an operating system.................................................. 5-1

5.2 Support CD information....................................................... 5-1

5.2.1 Running the support CD ......................................... 5-1

5.2.2 Installation menus................................................... 5-2

5.2.3 Software and drivers description ............................. 5-3

5.3 Software information ........................................................... 5-5

5.3.1 ASUS Update ......................................................... 5-5

Glossary ................................................................................ G-1

Index ........................................................................................ I-1

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. 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.

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.

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 Canadian ICES-003.

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.

• Before connecting or removing signal cables from the motherboard, ensure that all power cables are unplugged.

• Seek professional assistance before using an adpater 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 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.

vii

About this guide

This user guide contains the information you need when installing the ASUS P4S333-VM motherboard.

How this guide is organized

This manual contains the following parts:

• Chapter 1: Product introduction

This chapter describes the features of the P4S333-VM motherboard. It includes brief descriptions of the special attributes of the motherboard and the new technology it supports.

• Chapter 2: Hardware information

This chapter lists the hardware setup procedures that you have to perform when installing system components. It includes description of the switches, jumpers, and connectors on the motherboard.

• Chapter 3: Powering up

This chapter describes the power up sequence and gives information on the BIOS beep codes.

• Chapter 4: BIOS setup

This chapter tells how to change system settings through the BIOS Setup menus. Detailed descriptions of the BIOS parameters are also provided.

• Chapter 5: Software support

This chapter describes the contents of the support CD that comes with the motherboard package.

• Glossary

This part lists the technical terms that you may encounter when reading this document.

• Index

This part contains an alphabetical list of the topics found in this document.

viii

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.

Where to find more information

Refer to the following sources for additional information and for product and software updates.

1. ASUS Websites The ASUS websites worldwide provide updated information on ASUS

hardware and software products. The ASUS websites are listed in the ASUS Contact Information on page x.

2. Optional Documentation

Your product package may include optional documentation, such as warranty flyers, that may have been added by your dealer. These documents are not part of the standard package.

ASUS contact information

ASUSTeK COMPUTER INC. (Asia-Pacific)

Address: 150 Li-Te Road, Peitou, Taipei, Taiwan 112 General Tel: +886-2-2894-3447 General Fax: +886-2-2894-3449 General Email: info@asus.com.tw

Technical Support

MB/Others (Tel): +886-2-2890-7121 (English) Notebook (Tel): +886-2-2890-7122 (English) Desktop/Server (Tel): +886-2-2890-7123 (English) Support Fax: +886-2-2890-7698 Support Email: tsd@asus.com.tw Web Site: www .asus.com.tw Newsgroup: cscnews.asus.com.tw

ASUS COMPUTER INTERNATIONAL (America)

Address: 6737 Mowry Avenue, Mowry Business Center,

Building 2, Newark, CA 94560, USA General Fax: +1-510-608-4555 General Email: tmd1@asus.com

Technical Support

Support Fax: +1-510-608-4555 Notebook (Tel): 1-877-918-ASUS (2787) Web Site: www .asus.com Support Email: tsd@asus.com

ASUS COMPUTER GmbH (Europe)

Address: Harkortstr. 25, 40880 Ratingen, BRD, Germany General Fax: +49-2102-442066 General Email: sales@asuscom.de (for marketing requests only)

Technical Support

Support Hotline: MB/Others: +49-2102-9599-0 Notebook (Tel): +49-2102-9599-10 Support Fax: +49-2102-9599-11 Support (Email): www.asuscom.de/de/support (for online support) Web Site: www.asuscom.de

Chapter 1

Product introduction

ASUS P4S333-M motherboard

1.1 Welcome!

Thank you for buying the ASUS® P4S333-VM motherboard!

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

The P4S333-VM incorporates the Intel package/Northwood Processor coupled with the SiS 650 chipset to set a new benchmark for an effective desktop platform solution.

Supporting up to 2GB of system memory with PC2100/1600 DDR SDRAM, high-resolution graphics via an AGP 4X slot, USB capability, communication and networking options, high-speed data transfers using the ATA100 protocol, and AC ‘97-compliant audio features, the P4S333VM is your perfect vehicle to get ahead in the world of power computing!

Before you start installing the motherboard, and hardware devices on it, check the items in your package with the list below.

P4S333-VM motherboard delivers a host of new features and

Pentium® 4 Processor in 478-pin

1.2 Package contents

Check your P4S333-VM package for the following items.

ASUS P4S333-VM motherboard (Micro-ATX form factor: 9.6-in x 7.5-in) ASUS P4S333-VM support CD ASUS 2-port USB 1.1 module I/O plate (for LAN models only) 80-conductor ribbon cable for UltraDMA/33/66/100 IDE drives 40-conductor IDE cable Ribbon cable for a 3.5-inch floppy drive Bag of extra jumper caps User Guide

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

ASUS P4S333-VM motherboard user guide

1-1

1.3 Special features

1.3.1 Product highlights

Latest processor technology

The P4S333-VM 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. The P4 offers optimized performance for audio, video, and Internet applications. See page 2-4.

DDR memory support

Employing the Double Data Rate (DDR) memory technology, the P4S333-VM motherboard supports up to 2GB of system memory using PC2100/1600 DDR DIMMs to deliver the required bandwidth for the latest 3D graphics, multimedia, and Internet applications.

Digital audio interface (on audio models only)

On audio models, a digital audio connector is onboard to accommodate the Sony/Philips Digital Interface (S/PDIF) Out module, which supports coaxial interfaces. Experience 5.1-channel surround sound and enhanced 3D audio while playing DVDs and computer games. See page 2-24.

Onboard audio feature (on audio models only)

A CS4299 AC’97 CODEC is onboard to support AC’97 compliant audio devices.

Onboard LAN (on LAN models only)

The motherboard incorporates the ICS 1893Y LAN PHY chip to support 10BASE-T/100BASE-TX Fast Ethernet networking.

Smart Card Reader support

A special connector for the Smart Card Reader comes onboard to support the cutting-edge technology for increased security in authenticating online transactions, editing IC-based information, and a lot more.

1-2

Chapter 1: Product introduction

1.3.2 Value-added solutions

Overclocking

The P4S333-VM overclocking features:

• adjustable CPU frequency multiple in BIOS using the ASUS JumperFree™ solution

• adjustable FSB/MEM frequency ratio

• Stepless Frequency Selection (SFS) for fine-tuning system bus

frequency from 100MHz up to 166MHz at 1MHz increments

• optimized system performance through BIOS built-in optimization mode

ASUS P4S333-VM motherboard user guide

1-3

1.4 Overview

Before you install the P4S333-VM 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 P4S333-VM motherboard as pointed out in the picture on page 1-5.

1. ATX 12V connector

2. CPU socket

3. North Bridge controller

4. ATX power connector

5. DDR DIMM sockets

6. IDE connectors

7. South Bridge controller

8. ASUS ASIC

9. Onboard LED

10. Floppy disk connector

11. Flash EEPROM

12. Super I/O controller

13. PCI slots

14. AC’97 CODEC (optional)

15. AGP slot

16. LAN PHY (optional)

17. PS/2 mouse port

18. RJ-45 port (optional)

19. Parallel port

20. Game/MIDI port (optional)

21. Microphone jack (optional)

22. Line In jack (optional)

23. Line Out jack (optional)

24. VGA port

25. Serial Port

26. USB ports

27. PS/2 Keyboard port

1-4

See page 1-6 for a brief description of each component. Refer to Chapter 2 for more information on the motherboard jumpers and connectors.

Chapter 1: Product introduction

23 4 5

15 14

13 12

17 18 19 20

710

ASUS P4S333-VM motherboard user guide

2122232527 26 24

1-5

ATX 12V connector. This power connector connects the 4-pin 12V

plug from the ATX 12V power supply.

CPU socket. A 478-pin surface mount, Zero Insertion Force (ZIF)

socket called mPGA478. This socket accommodates the Intel

Pentium® 4 478/Northwood Processor with 400MHz system bus.

North bridge controller. This SiS650 controller integrates a high

performance host interface for the Intel Pentium 4 processor, a memory controller, an AGP interface, and SiS MuTIOL technology.

ATX power connector. This 20-pin connector connects to an ATX

+12V power supply. The power supply must have at least 1A on the +5V standby lead (+5VSB).

DDR DIMM sockets. These two 184-pin DIMM sockets support up

to 2GB using unbuffered non-ECC PC2100/1600 DDR DIMMs.

IDE connectors. These dual-channel bus master IDE connectors

support up to four Ultra DMA/100/66, PIO Modes 3 & 4 IDE devices. Both the primary (blue) and secondary (black) connectors are slotted to prevent incorrect insertion of the IDE ribbon cable.

South bridge controller. Referred to as the SiS961 MuTIOL Media

I/O, this controller integrates the audio controller with AC’97 Interface, Ethernet MAC, Dual Universal Serial Bus Host controllers, IDE Master/Slave controllers, and the MuTIOL Connect to PCI Bridge.

ASUS ASIC. This chip performs multiple system functions that

include hardware and system voltage monitoring. Onboard LED This green indicator light informs the user that

power is being supplied to the board. Floppy disk connector. This connector accommodates the

provided ribbon cable for the floppy disk drive. One side of the connector is slotted to prevent incorrect insertion of the floppy disk cable.

Flash EEPROM. This 2Mb firmware contains the programmable BIOS program.

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.

PCI slots. These three 32-bit PCI 2.2 expansion slots support bus master PCI cards like SCSI or LAN cards with 133MB/s maximum throughput.

1-6

Chapter 1: Product introduction

AC ’97 audio CODEC. This chip supplies performance compatible

with multimedia systems. When coupled with a PCI audio accelerator or core logic that supports the AC ‘97 interface, the CODEC delivers a cost-effective, superior quality audio solution.

(on audio models only)

17 18

AGP slot. This Accelerated Graphics Port (AGP) slot supports 1.5V

AGP4X mode graphics cards for 3D graphical applications. LAN PHY. This ICS 1893Y LAN PHY works with the South Bridge

controller to fully support 10BASE-T/100BASE-TX Fast Ethernet networking protocols. (on LAN models only)

PS/2 mouse port. This green 6-pin connector is for a PS/2 mouse. RJ-45 port. This port allows connection to a Local Area Network

(LAN) through a network hub. (on LAN models only) Parallel port. This 25-pin port connects a parallel printer, a

scanner, or other devices. Game/MIDI port. This connector supports a joystick or a game pad

for playing games, and MIDI devices for playing or editing audio files. (on audio models only)

Microphone jack. This Mic (pink) jack connects a microphone.

(on audio models only)

Line In jack. This Line In (light blue) jack connects a tape player or other audio sources. (on audio models only)

Line Out jack. This Line Out (lime) jack connects a headphone or

a speaker. (on audio models only) VGA port. This 15-pin VGA port supports all types of visual

displays, including CRTs and VGA monitors. Serial port. This 9-pin COM1 port is for pointing devices or other

serial devices. USB ports. These two 4-pin Universal Serial Bus (USB) ports are

available for connecting USB devices such as a mouse and PDA. A USB header is also available for two additional USB ports. See page 2-21.

PS/2 keyboard port. This purple 6-pin connector is for a PS/2 keyboard.

ASUS P4S333-VM motherboard user guide

1-7

1-8

Chapter 1: Product introduction

Chapter 2

Hardware information

ASUS P4S333-M 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 P4S333-VM uses the Flex ATX form factor that measures 9.6 inches x 7.5 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.

2.1.1 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. Refer to the image below.

2.1.2 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 may damage the motherboard.

Place this side towards the rear of the chassis

ASUS P4S333-VM motherboard user guide

2-1

2.2 Motherboard layout

19.1cm (7.5in)

PS/2

T: Mouse B: Keyboard

Bottom:

USB1 USB2

Top: RJ-45

COM1

PARALLEL PORT

VGA

Line Out

Line

Mic

GAME_AUDIO

CD1

Audio

Codec

Super I/O

ITE 8707F

2Mbit Flash BIOS

SMARTCON1

USBV1

CPUFAN1

ICS

1893Y

MODEM

AUX1

FPAUDIO1

FLOPPY1

P4S333-VM

SiS650

HOST/

ATX12V1

Memory

Controller

Accelerated Graphics Port

(AGP)

PCI Slot 1

PCI Slot 2

PCI Slot 3

IR1

ATX Power Connector

Socket 478

CLRTC

BATTERY1

USB2

USBV2

SiS961

MuTLOL

Media

HPANEL1

CHASFAN1

DDR DIMM2 (64/72 bit, 184-pin module)

DDR DIMM1 (64/72 bit, 184-pin module)

Secondary IDE

24.4cm (9.6in)

2 3

0 1

Primary IDE

I/0

SIRQ1

ASUS

Mozart

SPDIF1

IDELED1

2-2

The audio and LAN features are optional. These components are grayed out in the above motherboard layout.

Chapter 2: Hardware information

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. Whenever you uninstall any component, place it on a grounded antistatic pad or in the bag that came with the component.

5. Before you install or remove any component, ensure that the

ATX power supply is switched off or the power cord is detached from the power supply. Failure to do so may cause

severe damage to the motherboard, peripherals, and/or components.

ASUS P4S333-VM motherboard user guide

2-3

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. The Intel NetBurst micro-architecture features the hyper-pipelined technology, rapid execution engine, 400MHz system bus, and execution trace cache. Together, these attributes improve system performance by allowing higher processor frequencies, faster execution of integer instructions, and a data transfer rate of 3.2GB/s.

Gold Mark

Note in the illustration that the CPU has a gold triangular mark on one corner. This mark indicates the processor Pin 1 that should match a specific corner of the CPU socket.

Incorrect installation of the CPU into the socket may bend the pins and severely damage the CPU!

2-4

Chapter 2: Hardware information

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.

ASUS P4S333-VM motherboard user guide

2-5

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.

2-6

Chapter 2: Hardware information

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. Place the heatsink on top of the installed CPU, making sure that the heatsink fits properly on the retention module base.

The retention module base is already installed on the motherboard upon purchase.

You do not have to remove the retention module base when installing the CPU or installing other motherboard components.

CPU Heatsink

Retention Module Base

Your boxed Intel Pentium 4 478/Northwood 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.

ASUS P4S333-VM motherboard user guide

2-7

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

2-8

Retention Hook Snapped to the Retention Hole

Keep the retention locks lifted upward while fitting the retention mechanism to the module base.

Chapter 2: Hardware information

+ 82 hidden pages