iv
Contents
1.12.2 Internal connectors ....................................................... 1-21
1.13 Software support ........................................................................ 1-28
1.13.1 Installing an operating system ...................................... 1-28
1.13.2 Support DVD information .............................................. 1-28
Chapter 2 BIOS information
2.1 Knowing BIOS .............................................................................. 2-1
2.2 Updating BIOS .............................................................................. 2-1
2.2.1 ASUS Update utility ........................................................ 2-2
2.2.2 ASUS EZ Flash 2 utility ................................................... 2-3
2.2.3 ASUS CrashFree BIOS 3 utility ...................................... 2-4
2.3 BIOS setup program .................................................................... 2-8
2.3.1 BIOS menu screen .......................................................... 2-9
2.3.2 Menu bar ......................................................................... 2-9
2.3.3 Navigation keys ............................................................. 2-10
2.3.4 Menu items ................................................................... 2-10
2.3.5 Submenu items ............................................................. 2-10
2.3.6 Conguration elds ....................................................... 2-10
2.3.7 General help ................................................................. 2-10
2.3.8 Pop-up window ............................................................. 2-10
2.3.9 Scroll bar ....................................................................... 2-10
2.4 Main menu .................................................................................. 2-11
2.4.1 SATA 1–6 .......................................................................2-11
2.4.2 Storage Conguration ................................................... 2-12
2.4.3 System Information ....................................................... 2-13
2.5 Ai Tweaker menu ........................................................................ 2-14
2.5.1 CPU Level UP .............................................................. 2-14
2.5.2 OC Tuner Utility ............................................................. 2-14
2.5.3 Ai Overclock Tuner ....................................................... 2-15
2.5.4 CPU Ratio .................................................................... 2-15
2.5.5 DRAM Frequency ........................................................ 2-15
2.5.6 CPU/NB Frequency ..................................................... 2-16
2.5.7 HT Link Speed ............................................................. 2-16
2.5.8 DRAM Timing Conguration ......................................... 2-16
2.5.9 DRAM Driving Conguration ......................................... 2-17
2.5.10 CPU & NB Voltage Mode .............................................. 2-17