GIGABYTE GA MA74GM S2 rev 1 x - Инструкция по эксплуатации - Страница 37

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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 configurable.

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 specifications.

  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 configurable. (Default: Auto)

  Memory Clock

This option is configurable 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.