Contents

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

v

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

v

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

vi

P4S800D-X specification summary ...........................................................

vii

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 .......................................................................

1-4

1.5

Motherboard overview ...................................................................

1-5

 

1.5.1

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

1-5

 

1.5.2

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

1-6

 

1.5.3

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

1-6

1.6

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

1-6

 

1.6.1

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

1-6

 

1.6.2

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

1-7

1.7

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

1-8

 

1.7.1

DIMM sockets location .....................................................

1-8

 

1.7.2

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

1-8

 

1.7.3

Installing a DIMM .............................................................

1-9

1.8

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

1-10

 

1.8.1

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

1-10

 

1.8.2

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

1-10

 

1.8.3

PCI slots ........................................................................

1-11

 

1.8.4

AGP slot .........................................................................

1-11

1.9

Jumpers

.......................................................................................

1-12

1.10

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

1-14

 

1.10.1

Rear panel connectors ...................................................

1-14

 

1.10.2

Internal connectors ........................................................

1-15

Chapter 2: BIOS information

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

2-2

2.1.1 Creating a bootable floppy disk .......................................

2-2

2.1.2 Using AFUDOS to copy the current BIOS .......................

2-3

2.1.3 Using AFUDOS to update the BIOS ................................

2-3

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

2-5

2.1.5 Recovering the BIOS with CrashFree BIOS 2 .................

2-6

2.2 BIOS Setup program .....................................................................

2-8

2.2.1

BIOS menu screen ..........................................................

2-9

2.2.2

Menu bar ..........................................................................

2-9

2.2.3

Navigation keys ...............................................................

2-9

2.2.4

Menu items ....................................................................

2-10

iii