User’s Manual

ii
Contents
2.1.3 AFUDOS utility ........................................................................................... 2-3
2.1.4 ASUS CrashFree BIOS 3 utility .................................................................
2-5
2.1.5 ASUS Update utility ...................................................................................
2-7
2.2 BIOS setup program ................................................................................ 2-10
2.2.1 BIOS menu screen ....................................................................................2-11
2.2.2 Menu bar ...................................................................................................
2-11
2.2.3 Navigation keys .........................................................................................
2-11
2.2.4 Menu items ..............................................................................................
2-12
2.2.5 Sub-menu items .......................................................................................
2-12
2.2.6 Conguration elds ..................................................................................
2-12
2.2.7 Pop-up window ........................................................................................
2-12
2.2.8 Scroll bar ..................................................................................................
2-12
2.2.9 General help ............................................................................................
2-12
2.3 Main menu ................................................................................................ 2-13
2.3.1 System Time ............................................................................................ 2-13
2.3.2 System Date ............................................................................................
2-13
2.3.3 Legacy Diskette A ....................................................................................
2-13
2.3.4 SATA1-6 ...................................................................................................
2-14
2.3.5 Storage Conguration ..............................................................................
2-15
2.3.6 System Information ..................................................................................
2-16
2.4 Ai Tweaker menu ......................................................................................2-17
2.4.1 Ai Overclock Tuner .................................................................................. 2-17
2.4.2 FSB Strap to North Bridge ......................................................................
2-18
2.4.3 DRAM Frequency ...................................................................................
2-18
2.4.4 Congure DRAM Timing by SPD ............................................................
2-18
2.4.5 CPU Spread Spectrum ...........................................................................
2-18
2.4.6 PCIE Spread Spectrum ...........................................................................
2-18
2.4.7 CPU Clock Skew .....................................................................................
2-18
2.4.8 NB Clock Skew .......................................................................................
2-19
2.4.9
CPU Voltage .......................................................................................... 2-19
2.4.10 CPU PLL Voltage ....................................................................................
2-19
2.4.11 FSB Termination Voltage
......................................................................... 2-19
2.4.12 DRAM Voltage ........................................................................................
2-19
2.4.13 NB Voltage ..............................................................................................
2-19
2.4.14 PCIE SATA Voltage .................................................................................
2-20
2.5 Advanced menu ....................................................................................... 2-21
2.5.1 CPU Conguration ................................................................................... 2-21
2.5.2 Chipset .....................................................................................................
2-23
2.5.3 Onboard Device Conguration .................................................................
2-26
2.5.4 USB Conguration ...................................................................................
2-27
2.5.5 PCIPnP ....................................................................................................
2-28
2.5.6 TPM Conguration ...................................................................................
2-29