Asus X79 Computer Hardware User Manual


 
3-8 Chapter 3: BIOS setup
Chapter 3
Scroll down to display the following items:
Ai Overclock Tuner [Auto]
Allows you to select the CPU overclocking options to achieve the desired CPU internal
frequency. Select any of these preset overclocking conguration options:
[Auto] Loads the optimal settings for the system.
[Manual] Allows you to individually set overclocking parameters.
The following three items appear only when you set the Ai Overclocking Tuner item to
[Manual].
BCLK Frequency [XXX]
Allows you to adjust the CPU and VGA frequency to enhance the system performance.
Use the <+> and <-> keys to adjust the value. You can also key in the desired value
using the numeric keypad. The values range from 80.0MHz to 300.0MHz.
CPU Strap [Auto]
Conguration options: [Auto] [100MHz] [125MHz] [166MHz] [250MHz]
ClockGen Full Reset [Enabled]
[Enabled] Enabled for better overclocking.
[Disabled] To skip system shutdown at BCLK frequency adjustment.
CPU Clock Gen Filter [Auto]
When enabled, this item may help maximize the CPU overclockability.
Conguration options: [Auto] [Enabled] [Disabled]
Memory Frequency [Auto]
Forces a DDR3 frequency slower than the common tCK detected via SPD.
Conguration options: [Auto] [DDR3-800MHz] [DDR3-1066MHz] [DDR3-1333MHz] [DDR3-
1600MHz] [DDR3-1866MHz] [DDR3-2133MHz] [DDR3-2400MHz] [DDR3-2666MHz]
Selecting a very high memory frequency may cause the system to become unstable! If this
happens, revert to the default setting.