Asus M4N75TD - Manual (Page 61)

Chapter 2: BIOS setup 2-11
2.5 Ai Tweaker menu
The Ai Tweaker menu items allow you to configure overclocking-related items.
Take caution when changing the settings of the Ai 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 1985-2009, American Megatrends, Inc.
BIOS SETUP UTILITY
Main Ai Tweaker Advanced Power Boot Tools Exit
Configure System Frequency/Voltage
Ai Overclock Tuner [Auto]
CPU Ratio [Auto]
DRAM Frequency [Auto]
CPU/NB Frequency [Auto]
HT Link Speed [Auto]
DRAM Timing Configuration
DRAM Driving Configuration
Processor Voltage [Auto]
CPU/NB Voltage [Auto]
CPU/LDT Spread Spectrum [Disabled]
PCIE Spread Spectrum [Disabled]
SATA Spread Spectrum [Disabled]
PCIE Spread Spectrum [Disabled]
←→ Select Screen
↑↓ Select Item
+- Change Field
F1 General Help
F10 Save and Exit
ESC Exit
Select the target CPU
frequency, and the
relevant parameters
will be auto-adjusted.
2.5.1 Ai Overclock Tuner [Auto]
Allows selection of CPU overclocking options to achieve desired CPU internal frequency.
Configuration options: [Manual] [Auto] [D.O.C.P]
The following two (2) items appear only when you set the Ai Overclock Tuner item to
[Manual].
CPU Bus Frequency [XXX]
Displays the frequency sent by the clock generator to the system bus and PCI bus. Use the
<+> and <-> keys to adjust the CPU Bus frequency. You can also type the desired CPU Bus
frequency using the numeric keypad. The values range from 200 to 600.
PCIE Frequency [XXX]
Use the <+> and <-> keys to adjust the PCIE frequency. You can also type the desired PCIE
frequency using the numeric keypad. The values range from 100 to 200.
DRAM O.C. Profile [DDR3-1600MHz]
This item appears only when you set the Ai Overclock Tuner item to [D.O.C.P] and allows
you to select a DRAM O.C. profile, which applies different settings to DRAM frequency,
DRAM timing and DRAM voltage. Configuration options: [DDR3-1600MHz] [DDR3-1800MHz]
[DDR3-1866MHz] [DDR3-2000MHz]
2.5.2 CPU Ratio [Auto]
Allows you to adjust the ratio between CPU Core Clock and CPU Bus Frequency. Use the
<+> and <-> keys to adjust the value. The valid value ranges vary according to your CPU
model.