iv
Contents
2.7.2 Audio I/O connections ...............................................................2-24
2.7.3 Internal connectors....................................................................2-27
2.8 Starting up for the rst time ....................................................................2-36
2.9 Turning off the computer .........................................................................2-36
Chapter 3: BIOS setup
3.1 Knowing BIOS ............................................................................................3-1
3.2 Updating BIOS ............................................................................................3-1
3.2.1 ASUS Update utility.....................................................................3-2
3.2.2 ASUS EZ Flash 2 utility ...............................................................3-4
3.2.3 ASUS CrashFree BIOS 3 utility...................................................3-5
3.3 BIOS setup program ..................................................................................3-6
3.3.1 BIOS menu screen ......................................................................3-6
3.3.2 Menu bar .....................................................................................3-6
3.3.3 Navigation keys ...........................................................................3-7
3.3.4 Menu items..................................................................................3-7
3.3.5 Submenu items ...........................................................................3-7
3.3.6 Conguration elds .....................................................................3-7
3.3.7 Pop-up window............................................................................3-7
3.3.8 Scroll bar .....................................................................................3-7
3.3.9 General help................................................................................3-7
3.4 Main menu ..................................................................................................3-8
3.4.1 SATA 1-6 .....................................................................................3-8
3.4.2 Storage Conguration ...............................................................3-10
3.4.3 AHCI Conguration ...................................................................3-10
3.4.4 System Information ...................................................................3-11
3.5 Ai Tweaker menu ......................................................................................3-12
3.5.1 Ai Overclock Tuner ...................................................................3-12
3.5.2 CPU Ratio Setting ....................................................................3-13
3.5.3 Intel(R) SpeedStep(TM) Tech ...................................................3-13
3.5.4 Intel(R) Turbo Mode Tech ..........................................................3-13
3.5.5 DRAM Frequency .....................................................................3-14
3.5.6. DRAM Timing Control ..............................................................3-14
3.5.7 CPU Voltage ............................................................................3-16
3.5.8 CPU PLL Voltage .....................................................................3-16
3.5.9 QPI/DRAM Core Voltage ..........................................................3-16
3.5.10 IOH Voltage ..............................................................................3-16
3.5.11 IOH PCIE Voltage ....................................................................3-16
3.5.12 ICH Voltage ..............................................................................3-17
