Contents

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

v

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

vi

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

vii

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

viii

P4P800S SE specifications summary .......................................................

ix

Chapter 1: Product introduction

1.1

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

1-2

1.2

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

1-2

1.3

Special features .............................................................................

1-2

1.4

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

1-4

1.5

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

1-7

1.6

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

1-8

1.7

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

1-9

 

1.7.1

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

1-9

 

1.7.2

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

1-9

1.8

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

1-10

 

1.8.1

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

1-10

 

1.8.2

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

1-11

1.9

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

1-12

 

1.9.1

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

1-12

 

1.9.2

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

1-14

1.10

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

1-15

 

1.10.1

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

1-15

 

1.10.2

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

1-15

 

1.10.3

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

1-16

 

1.10.4

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

1-16

1.11

Jumpers

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

1-17

1.12

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

1-19

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 update the BIOS ................................

2-2

 

2.1.3 Using AFUDOS to copy BIOS from PC ...........................

2-4

 

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

iii