iv
Contents
1.11 Onboard switches ...................................................................... 1-36
1.12 Onboard LEDs ............................................................................
1-38
1.13 Software support ........................................................................
1-39
1.13.1 Installing an operating system ......................................
1-39
1.13.2 Support DVD information ..............................................
1-39
Chapter 2: BIOS information
2.1 Managing and updating your BIOS ............................................ 2-1
2.1.1 ASUS Update utility ........................................................
2-1
2.1.2 ASUS EZ Flash 2 ............................................................
2-2
2.1.3 ASUS CrashFree BIOS 3 utility ......................................
2-3
2.1.4 ASUS BIOS Updater .......................................................
2-4
2.2 BIOS setup program ....................................................................
2-7
2.3 Main menu ..................................................................................
2-11
2.3.1 System Language ..........................................................
2-11
2.3.2 System Date ..................................................................
2-11
2.3.3 System Time ..................................................................
2-11
2.3.4 Security ..........................................................................
2-11
2.4 Ai Tweaker menu ........................................................................
2-13
2.4.1 Ai Overclock Tuner ........................................................
2-14
2.4.2 Turbo Ratio ...................................................................
2-14
2.4.3 Memory Frequency .......................................................
2-14
2.4.4 EPU Power Saving Mode .............................................
2-14
2.4.5 OC Tuner ......................................................................
2-15
2.4.6 DRAM Timing Control ...................................................
2-15
2.4.7 CPU Power Management .............................................
2-15
2.4.8 Offset Mode Sign ..........................................................
2-16
2.4.9 DRAM Voltage ..............................................................
2-16
2.4.10 VCCIO Voltage ..............................................................
2-16
2.4.11 PCH Voltage .................................................................
2-16
2.4.12 Load-Line Calibration ....................................................
2-17
2.4.13 CPU Spread Spectrum .................................................
2-17
2.5 Advanced menu .........................................................................
2-18
2.5.1 CPU Conguration ........................................................
2-18
2.5.2 System Agent Conguration .........................................
2-19
2.5.3 PCH Conguration ........................................................
2-20