Contents

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

v

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

vi

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

viii

A7N8X-X specifications summary ..................................................

ix

Chapter 1: Motherboard Info

1.1

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

1-2

1.2

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

1-2

1.3

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

1-3

1.4

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

1-6

1.5

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

1-7

1.6

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

1-7

1.7

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

1-8

 

1.7.1

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

1-8

1.8

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

1-8

 

1.8.1 Configuring an expansion card ..............................

1-8

 

1.8.2

Standard Interrupt Assignments ............................

1-9

 

1.8.3

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

1-9

1.9

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

1-10

1.10

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

1-12

Chapter 2: BIOS Information

2.1

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

2-2

 

2.1.1 Using the computer system for the first time .........

2-2

 

2.1.2

Updating BIOS procedures ....................................

2-3

2.2

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

2-6

 

2.2.1

BIOS menu bar ......................................................

2-7

 

2.2.2

Legend bar .............................................................

2-7

2.3

Main Menu ..........................................................................

2-9

 

2.3.1

Primary Master/Slave ..........................................

2-10

 

2.3.2

Secondary Master/Slave ......................................

2-12

2.4

Advanced Menu ...............................................................

2-13

 

2.4.1

Advanced BIOS Features ....................................

2-14

 

2.4.2

Advanced Chipset Features ................................

2-15

iii