iv
Contents
2.7.3
Internal connectors
....................................................................
2-28
2.7.4
Installing the optional fan
..........................................................
2-38
2.8
Starting up for the first time
....................................................................
2-39
2.9
Turning off the computer
.........................................................................
2-39
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
3.3
BIOS setup program
..................................................................................
3-6
3.3.1
BIOS menu screen
......................................................................
3-6
3.3.2
Menu bar
.....................................................................................
3-6
3.3.3
Navigation keys
...........................................................................
3-7
3.3.4
Menu items
..................................................................................
3-7
3.3.5
Submenu items
...........................................................................
3-7
3.3.6
Configuration fields
.....................................................................
3-7
3.3.7
Pop-up window
............................................................................
3-7
3.3.8
Scroll bar
.....................................................................................
3-7
3.3.9
General help
................................................................................
3-7
3.4
Main menu
..................................................................................................
3-8
3.4.1
Primary IDE Master/Slave;
SATA 1–4
.........................................
3-8
3.4.2
Storage Configuration
...............................................................
3-10
3.4.3
System Information
...................................................................
3-11
3.5
Ai Tweaker menu
......................................................................................
3-12
3.5.1
AI Overclocking
........................................................................
3-12
3.5.2
DRAM Frequency Control
........................................................
3-13
3.5.3
HT Link Speed
.........................................................................
3-13
3.5.4
CPU Voltage
.............................................................................
3-17
3.5.5
CPU/NB Voltage
.......................................................................
3-17
3.5.6
CPU/LDT Spread Spectrum
.....................................................
3-17
3.5.7
PCIE Spread Spectrum
............................................................
3-17
3.5.8
SATA Spread Spectrum
...........................................................
3-17
3.5.9
PCI Spread Spectrum
..............................................................
3-18
3.5.10
AI Clock Skew for Channel A/B
................................................
3-18
3.6
Advanced menu
.......................................................................................
3-19
3.6.1
CPU Configuration
....................................................................
3-19
3.6.2
Chipset
......................................................................................
3-20