Contents

Notices ............................................................................................

v

Safety information ..........................................................................

vi

About this guide .............................................................................

vii

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

viii

P4SDX specifications summary .....................................................

ix

Chapter 1: Product introduction

1.1

Welcome! ...........................................................................

1-2

1.2

Package contents ...............................................................

1-2

1.3

Motherboard components ..................................................

1-3

1.4

Special Features ................................................................

1-6

1.5

Motherboard layout ............................................................

1-7

1.6

Before you proceed ............................................................

1-8

1.7

Motherboard installation .....................................................

1-8

 

1.7.1

Placement direction ...............................................

1-8

 

1.7.2

Screw holes ...........................................................

1-9

1.8

Central Processing Unit (CPU) ...........................................

1-9

 

1.8.1

Overview ................................................................

1-9

 

1.8.2

Installing the CPU ................................................

1-10

1.9

System memory ................................................................

1-11

 

1.9.1

Overview ...............................................................

1-11

 

1.9.2

Qualified Vendor List .............................................

1-11

 

1.9.3

Memory configurations ........................................

1-12

1.10

Expansion slots ................................................................

1-13

 

1.10.1

Standard interrupt assignments ...........................

1-13

 

1.10.1

IRQ assignments for this motherboard ................

1-13

1.11

Jumpers ............................................................................

1-14

1.12

Connectors .......................................................................

1-16

Chapter 2: BIOS information

2.1 Managing and updating your BIOS ....................................

2-2

2.1.1 Using ASUS EZ Flash to update the BIOS ............

2-2

2.1.2

Using AFLASH to update the BIOS .......................

2-4

2.1.3

CrashFree BIOS 2 feature .....................................

2-7

iii