ASROCK Z87M Extreme4 User Manual download pdf (Page 73)

Z87M Extreme4

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English

CPU Conguration

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.

BCLK/PCIE Frequency

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

Increasing the BCLK will increase the internal CPU clock speed but also aect the

clock speed of other components.

Spread Spectrum

Enable Spread Spectrum to reduce electromagnetic interference for passing EMI

tests. Disable to achieve higher clock speeds when overclocking.

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.

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.

Long Duration Maintained

Congure the period of time until the CPU ratio is lowered when the Long

Duration Power Limit is exceeded.

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ASROCK Z87M Extreme4 User Manual Page 73