ASROCK H81M-HG4 User Manual download pdf (Page 50)

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CPU Conguration

Multi core enhancement

Improve the system's performance by forcing the CPU to perform the highest frequency on

all CPU cores simultaneously. Disable to reduce power consumption.

CPU Ratio

e CPU speed is determined by the CPU Ratio multiplied with the BCLK.

Increasing the CPU Ratio will increase the internal CPU clock speed without

aecting the clock speed of other components.

CPU Cache Ratio

e CPU Internal Bus Speed Ratio. e maximum should be the same as the CPU

Ratio.

CPU OC Fixed Mode

CPU OC x mode allows you to keep the max CPU ratio as your setting without

throttling. Please note that overclocking may cause damage to your CPU and

motherboard. It should be done at your own risk and expense.

Intel SpeedStep Technology

Intel SpeedStep technology allows processors to switch between multiple frequen-

cies and voltage points for better power saving and heat dissipation.

Intel Turbo Boost Technology

Intel Turbo Boost Technology enables the processor to run above its base operating

frequency when the operating system requests the highest performance state.

Filter PLL Frequency

CPU BCLK Filter Frequency. Choose 1.6 for better overclocking capabilities.

Internal PLL Overvoltage

Enable for better stability when overclocking.

PCIE PLL Selection

Select SB PLL when overclocking.

Long Duration Power Limit

Congure Package Power Limit 1 in watts. When the limit is exceeded, the CPU

ratio will be lowered aer a period of time. A lower limit can protect the CPU and

save power, while a higher limit may improve performance.

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ASROCK H81M-HG4 User Manual Page 50