Gigabyte GA-A75M-S2V User Manual download pdf (Page 26)

BIOS Setup - 26 -

CPU Clock Ratio

Allows you to alter the clock ratio for the installed CPU. The adjustable range is dependent on the CPU

being installed.

 CPUNorthBridgeFreq.

Allows you to alter the frequency of the CPU North Bridge controller.

Core Performance Boost

(Note)

Allows you to determine whether to enable the Core Performance Boost (CPB) technology, a CPU

performance-boost technology. (Default: Enabled)

CPB Ratio

(Note)

Allows you alter the ratio for the CPB. The adjustable range is dependent on the CPU being installed.

(Default: Auto)

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.. This option is congurable only when CPU Host

Clock Control is set to Manual. Important It is highly recommended that the CPU frequency be set in

accordance with the CPU specications.

PCIe Spread Spectrum

Enables or disables PCIe Spread Spectrum. (Default: Disabled)

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.

X5.33 Sets Memory Clock to X5.33.

X6.66 Sets Memory Clock to X6.66.

X8.00 Sets Memory Clock to X8.00.

X9.33 Sets Memory Clock to X9.33.

(Note) This item is present only when you install a CPU that supports this feature.

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Gigabyte GA-A75M-S2V User Manual Page 26