ASRock Z370 Extreme4 User Manual - Page 63
Minimum CPU Cache Ratio, CPU BCLK Amplitude
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Z370 Extreme4 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. Spread Spectrum Enable Spread Spectrum to reduce electromagnetic interference for passing EMI tests. Disable to achieve higher clock speeds when overclocking. CPU BCLK Amplitude Configure the CPU BCLK Amplitude. CPU Slew Rate Configure the CPU Slew Rate. CPU PLL ORT Configure the CPU PLL ORT. Divider Configure the BCLK divider. Boot Performance Mode Default is Max Non-Turbo performance mode. It will keep cpu Flex-ratio till OS 57 English