ASRock Z170 Pro4 User Manual - Page 53
Minimum CPU Cache Ratio, Boot Performance Mode
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CPU Configuration 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 The CPU speed is determined by the CPU Ratio multiplied with the BCLK. Increasing the CPU Ratio will increase the internal CPU clock speed without affecting the clock speed of other components. CPU Cache Ratio The CPU Internal Bus Speed Ratio. The maximum should be the same as the CPU Ratio. Minimum CPU Cache Ratio Set the minimum CPU Internal Bus Speed Ratio. BCLK Frequency The CPU speed is determined by the CPU Ratio multiplied with the BCLK. Increasing the BCLK will increase the internal CPU clock speed but also affect the clock speed of other components. BCLK Step Configure the BCLK Step Value. BCLK Reset Range Configure the BCLK Reset Range. Spread Spectrum Enable Spread Spectrum to reduce electromagnetic interference for passing EMI tests. Disable to achieve higher clock speeds when overclocking. CPU Amplitude Configure the CPU Amplitude. Boot Performance Mode Select the performance state that the BIOS will set before OS handoff. Reliability Stress Restrictor Disable or Enable Reliability Stress Restrictor feature. 48 English