Owner's manual

iv
Contents
2.5.5 PCI Express 2.0 x1 slot ............................................................. 2-21
2.5.6 PCI Express 2.0 x16 slot ...........................................................
2-21
2.6 Jumper ......................................................................................................
2-22
2.7 Connectors ...............................................................................................
2-23
2.7.1 Rear panel connectors ..............................................................
2-23
2.7.2 Audio I/O connections ...............................................................
2-26
2.7.3 Internal connectors
.................................................................... 2-28
2.8 Starting up for the rst time ....................................................................
2-35
2.9 Turning off the computer .........................................................................
2-35
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 ...................................................................
3-6
3.3 BIOS setup program ..................................................................................
3-9
3.3.1 BIOS menu screen ......................................................................
3-9
3.3.2 Menu bar .....................................................................................
3-9
3.3.3 Navigation keys .........................................................................
3-10
3.3.4 Menu items
................................................................................ 3-10
3.3.5 Submenu items .........................................................................
3-10
3.3.6 Conguration elds ...................................................................
3-10
3.3.7 Pop-up window
.......................................................................... 3-10
3.3.8 Scroll bar ...................................................................................
3-10
3.3.9 General help
.............................................................................. 3-10
3.4 Main menu ................................................................................................
3-11
3.4.1 SATA 1–6 ..................................................................................
3-11
3.4.2 Storage Conguration ...............................................................
3-13
3.4.3 AHCI Conguration ...................................................................
3-14
3.4.4 System Information ...................................................................
3-14
3.5 Ai Tweaker menu ......................................................................................
3-15
3.5.1 Ai Overclock Tuner ....................................................................
3-15
3.5.2 CPU Ratio Setting .....................................................................
3-16
3.5.3 Intel(R) SpeedStep(TM) Tech ...................................................
3-16
3.5.4 Intel(R) TurboMode Tech ...........................................................
3-16
3.5.5 Xtreme Phase Full Power Mode ...............................................
3-17
3.5.6 DRAM Frequency
...................................................................... 3-17