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BIOS Setup

OC Menu

This menu is for advanced users who want to overclock the motherboard.

Important

Overclocking your PC manually is only recommended for advanced users.

Overclocking is not guaranteed, and if done improperly, it could void your warranty or

severely damage your hardware.

If you are unfamiliar with overclocking, we advise you to use GAME BOOST function

for easy overclocking.

The BIOS items in OC menu will vary with the processor.

f OC Explore Mode [Normal]

Enables or disables to show the normal or expert version of OC settings.

[Normal] Provides the regular OC settings in BIOS setup.

[Expert] Provides the advanced OC settings for OC expert to configure in BIOS

setup.

Note: We use * as the symbol for the OC settings of Expert mode.

f CPU Ratio [Auto]

Sets the CPU ratio that is used to determine CPU clock speed. This item can only be

changed if the processor supports this function.

f Core Performance Boost [Auto]

Enables or disables the Core Performance Boost (CPB). This item appears when the

installed CPU supports this function.

f Downcore Control [Auto] (optional)

Sets the number of processor cores to be used. This item appears when the installed

CPU supports this function.

f A-XMP [Disabled]

Please enable A-XMP or select a profile of memory module for overclocking the

memory. This item will be available when the installed processor, memory modules

and motherboard support this function.

Questions and Answers:

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MSI B450 TOMAHAWK Specifications

General