iv
Contents
2.3.8 Front I/O Connector ......................................................2-44
2.3.9 Rear panel connection ..................................................2-45
2.3.10 Audio I/O connections ...................................................2-46
2.3.11 USB BIOS Flashback ....................................................2-49
2.4 Starting up for the rst time ......................................................2-50
2.5 Turning off the computer ...........................................................2-51
Chapter 3: BIOS setup
3.1 Knowing BIOS ..............................................................................3-1
3.2 BIOS setup program ....................................................................3-1
3.2.1 EZ Mode .........................................................................3-2
3.2.2 Advanced Mode ..............................................................3-3
3.3 Main menu .................................................................................... 3-5
3.4 Ai Tweaker menu ..........................................................................3-7
3.4.1 DRAM Timing Control ...................................................3-10
3.4.1 DIGI+ Power Control .....................................................3-20
3.4.2 CPU Performance Settings ...........................................3-24
3.5 Advanced menu ......................................................................... 3-29
3.5.1 CPU Conguration ........................................................3-30
3.5.2 CPU Power Management Conguration .......................3-31
3.5.3 System Agent Conguration .........................................3-32
3.5.4 PCH Conguration ........................................................3-33
3.5.5 SATA Conguration ....................................................... 3-33
3.5.6 USB Conguration ........................................................3-36
3.5.7 Onboard Devices Conguraton .....................................3-37
3.5.8 APM ..............................................................................3-39
3.6 Monitor menu ............................................................................. 3-40
3.7 Boot menu .................................................................................. 3-43
3.8 Tools menu .................................................................................3-44
3.8.1 ASUS EZ Flash 2 Utility ................................................3-45
3.8.2 ASUS DRAM SPD Information .....................................3-45
3.8.3 ASUS O.C. Prole .........................................................3-46
3.8.4 ASUS Drive Xpert .........................................................3-47
3.9 Exit menu ....................................................................................3-48
3.10 Updating BIOS ............................................................................3-49