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iii
Features
Contents
Notices ............................................................................................ v
Safety information .......................................................................... vi
About this guide ............................................................................. vii
ASUS contact information ............................................................ viii
P4S-X 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 ..................................................... 1-9
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 ...............................................................1-11
1.8.2 Installing the CPU .................................................1-11
1.9 System memory ............................................................... 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 feature ........................................ 2-7
2.2 BIOS Setup program .......................................................... 2-8
2.2.1 BIOS menu bar ...................................................... 2-8