iv
Contents
2.7 Onboard switches .................................................................................... 2-23
2.8 Connectors ...............................................................................................
2-26
2.8.1 Rear panel connectors ..............................................................
2-26
2.8.2 Audio I/O connections ...............................................................
2-27
2.8.3 Internal connectors
.................................................................... 2-30
2.8.4. ASUS Q-Connector (system panel) ..........................................
2-39
2.9 Onboard LEDs ..........................................................................................
2-40
2.10 Starting up for the rst time ....................................................................
2-41
2.11 Turning off the computer .........................................................................
2-41
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
3.2.4 ASUS BIOS Updater ...................................................................
3-5
3.3 BIOS setup program ..................................................................................
3-8
3.3.1 BIOS menu screen ......................................................................
3-8
3.3.2 Menu bar .....................................................................................
3-8
3.3.3 Navigation keys ...........................................................................
3-9
3.3.4 Menu items
.................................................................................. 3-9
3.3.5 Submenu items ...........................................................................
3-9
3.3.6 Conguration elds .....................................................................
3-9
3.3.7 Pop-up window
............................................................................ 3-9
3.3.8 Scroll bar .....................................................................................
3-9
3.3.9 General help
................................................................................ 3-9
3.4 Main menu ................................................................................................
3-10
3.4.1 SATA 1-6 ...................................................................................
3-10
3.4.2 Storage Conguration ...............................................................
3-12
3.4.3 AHCI Conguration ...................................................................
3-13
3.4.4 System Information ...................................................................
3-13
3.5 Ai Tweaker menu ......................................................................................
3-14
3.5.1 Ai Overclock Tuner [Auto] .........................................................
3-14
3.5.2 CPU Ratio Setting [Auto]
........................................................... 3-15
3.5.3 Intel(R) SpeedStep(TM) Tech [Enabled] ...................................
3-15
3.5.8 DRAM Frequency [Auto] ...........................................................
3-16
3.5.9 QPI Frequency [Auto]
................................................................ 3-16
3.5.10 DRAM Timing Control ...............................................................
3-16