Gigabyte GA-MA74GM-S2 (rev.4.1) [37/100] Cpu frequency mhz

- 37 - BIOS Setup

CPU Host Clock Control

Enables or disables the control of CPU host clock. Auto (default) allows the BIOS to automatically adjust

the CPU host frequency. Manual allows the CPU Frequency (MHz)itembelowtobecongurable.

Note: If your system fails to boot after overclocking, please wait for 20 seconds to allow for automated

system reboot, or clear the CMOS values to reset the board to default values.

CPU Frequency(MHz)

Allows you to manually set the CPU host frequency. The adjustable range is from 200 MHz to 500 MHz. Im-

portantItishighlyrecommendedthattheCPUfrequencybesetinaccordancewiththeCPUspecications.

PCIE Clock(MHz)

Allows you to manually set the PCIe clock frequency. The adjustable range is from 100 MHz to 150 MHz.

Auto sets the PCIe clock frequency to standard 100 MHz. (Default: Auto)

VGA Core Clock(MHz)

Allows you to manually set the VGA Core clock. The adjustable range is from 200 MHz to 600 MHz.

Set Memory Clock

Determines whether to manually set the memory clock. Auto lets BIOS automatically set the memory

clock as required. Manualallowsthememoryclockcontrolitembelowtobecongurable.(Default:Auto)

Memory Clock

 ThisoptioniscongurableonlywhenSet Memory Clock is set to Manual.

When you use an AM3/AM2+ CPU:

X2.00 Sets Memory Clock to X2.00.

X2.66 Sets Memory Clock to X2.66.

X3.33 Sets Memory Clock to X3.33.

X4.00 Sets Memory Clock to X4.00.

X5.33 Sets Memory Clock to X5.33.

When you use an AM2 CPU:

DDR 400 Sets Memory Clock to DDR 400.

DDR 533 Sets Memory Clock to DDR 533.

DDR 667 Sets Memory Clock to DDR 667.

DDR 800 Sets Memory Clock to DDR 800.