User guide

iii
Features
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