Asus CROSSHAIR IV EXTREME, User Manual, Page: 85 / 172

ROG Crosshair IV Formula 3-9
3.3 Extreme Tweaker menu
The Extreme Tweaker menu items allow you to configure overclocking-related
items.
Take caution when changing the settings of the Extreme Tweaker menu items.
Incorrect field values can cause the system to malfunction.
The default values of the following items vary depending on the CPU and
memory modules you install on the motherboard.
v02.61 (C)Copyright 1985-2010, American Megatrends, Inc.
Crosshair IV Formula BIOS Setup
Extreme Tweaker Main Advanced Power Boot Tools Exit
OC tuner automatically
overclocks CPU and
DRAM frequency and
voltage.
Press ENTER to start
tuning.
(takes about 5 mins)
←→ Select Screen
↑↓ Select Item
Enter Go to Sub Screen
F1 General Help
F10 Save and Exit
ESC Exit
Configure System Performance Settings
Target CPU Frequency: 3100MHZ
Target DRAM Frequency: 1067MHZ
CPU Level Up [Auto]
-------------------------------------------------
OC Tuner Utility
AI Overclock Tuner [Auto]
CPU Ratio [Auto]
DRAM Frequency [Auto]
CPU/NB Frequency [Auto]
HT Link Speed [Auto]
DRAM Timing Configuration
DRAM Driving Configuration
******** Please key in numbers directly! ********
CPU & NB Voltage Mode [Offset]
CPU Offset Voltage 1.303 [Auto]
CPU/NB Offset Voltage 1.164 [Auto] [Auto]
CPU VDDA Voltage 2.474 [Auto]
Scroll down to display the following items:
v02.61 (C)Copyright 1985-2010, American Megatrends, Inc.
DRAM Voltage 1.488 [Auto]
HT Voltage 1.191 [Auto]
NB Voltage 1.098 [Auto]
NB 1.8V Voltage 1.802 [Auto]
SB Voltage 1.111 [Auto]
VDDR Voltage 1.205 [Auto]
VDDPCIE Voltage 1.113 [Auto]
DRAM CTRL REF Voltage 0.500 [Auto]
DRAM DATA REF Voltage 0.500 [Auto]
***********************************************
CPU Load-Line Calibration [Auto]
CPU/NB Load-Line Calibration [Auto]
CPU Spread Spectrum [Auto]
PCIE Spread Spectrum [Auto]
3.3.1 CPU Level Up [Auto]
Allows you to select a CPU level, and the related parameters will be automatically
adjusted according to the selected CPU level.
• The configuration options vary depending on the CPU model you install on
the motherboard.
• The CPU Level UP function support depends on CPU types.