iv
Contents
1.11 Onboard switches ...................................................................... 1-30
1.12 Onboard LEDs ............................................................................ 1-31
1.13 Software support ........................................................................ 1-32
1.13.1 Installing an operating system ...................................... 1-32
1.13.2 Support DVD information .............................................. 1-32
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 .................................................................... 2-6
2.3 Main menu .................................................................................. 2-10
2.3.1 System Language [English] .......................................... 2-10
2.3.2 System Date [Day xx/xx/xxxx] ....................................... 2-10
2.3.3 System Time [xx:xx:xx] ................................................. 2-10
2.3.4 Security ......................................................................... 2-10
2.4 Ai Tweaker menu ........................................................................ 2-12
2.4.1 CPU bus speed : DRAM speed ratio mode [Auto] ........ 2-12
2.4.2 Memory Frequency [Auto] ............................................. 2-13
2.4.3 iGPU Max. Frequency [Auto] ........................................ 2-13
2.4.4 EPU Power Saving Mode [Disabled] ............................ 2-13
2.4.5 GPU Boost [OK] ............................................................ 2-13
2.4.6 DRAM Timing Control ................................................... 2-13
2.4.7 CPU Power Management ............................................. 2-13
2.4.8 DIGI+ VRM .................................................................... 2-14
2.4.9 CPU Voltage [Offset Mode] ........................................... 2-15
2.4.10 iGPU Voltage [Offset Mode] .......................................... 2-16
2.4.11 DRAM Voltage [Auto] .................................................... 2-16
2.4.12 VCCSA Voltage [Auto] .................................................. 2-16
2.4.13 PCH Voltage [Auto] ....................................................... 2-16
2.4.14 CPU PLL Voltage [Auto] ................................................ 2-17
2.5 Advanced menu ......................................................................... 2-17
2.5.1 CPU Conguration ........................................................ 2-17
2.5.2 PCH Conguration ........................................................ 2-19