User guide
3-12 Chapter 3: BIOS setup
Chapter 3
3.5 Ai Tweaker menu
The Ai Tweaker menu items allow you to congure overclocking-related items.
Be cautious when changing the settings of the Ai Tweaker menu items. Incorrect eld
values can cause the system to malfunction.
The conguration options for this chapter vary depending on the CPU and DIMM model you
installed on the motherboard.
Scroll down to display the following items:
v02.61 (C)Copyright 1985-2009, American Megatrends, Inc.
BIOS SETUP UTILITY
Main Ai Tweaker Advanced Power Boot Tools Exit
Press ENTER to run the
utility to Tuner BCLK.
←→ Select Screen
↑↓ Select Item
Enter Go to Sub Screen
F1 General Help
F10 Save and Exit
ESC Exit
Congure System Performance Settings
OC Tuner Utility
OC Tuner limit Value [Good Performance]
Ai Overclock Tuner [Auto]
CPU Ratio Setting [Auto]
Intel(R) SpeedStep(TM) Tech [Enabled]
Intel(R) TurboMode Tech [Enabled]
Xtreme Phase Full Power Mode [Auto]
DRAM Frequency [Auto]
DRAM Timing Control
CPU Differential Amplitude [Auto]
CPU Clock Skew [Auto]
******* Please key in numbers directly! *******
CPU Voltage Mode [Offset]
Offset Voltage [Auto]
Current CPU Core Voltage [ 1.048V]
IMC Voltage [Auto]
v02.61 (C)Copyright 1985-2009, American Megatrends, Inc.
Current IMC Voltage [ 1.109V]
DRAM Voltage [Auto]
Current DRAM Voltage [ 1.500V]
CPU PLL Voltage [Auto]
Current CPU PLL Voltage [ 1.800V]
PCH Voltage [Auto]
Current PCH Voltage [ 1.040V]
DRAM DATA REF Voltage on CHA [Auto]
DRAM CTRL REF Voltage on CHA [Auto]
DRAM DATA REF Voltage on CHB [Auto]
DRAM CTRL REF Voltage on CHB [Auto]
***********************************************
Load-Line Calibration [Auto]
CPU Spread Spectrum [Auto]
PCIE Spread Spectrum [Auto]
3.5.1 OC Tuner Utility
Press the <ENTER> key to start automatic system overclocking. The OC Tuner Utility
automatically adjust system parameters and reboots several times for the best overclocking
result. DO NOT shut down the power before the auto-adjustment completes.
3.5.2 OC Tuner limit Value [Good Performance]
Set an auto-adjustment limit value for OC Tuner Utility.
Conguration options: [Good Performance] [Better Performance]