Gigabyte GA-X99-UD4P User Manual - Page 49
DDR CHA/B PWM Switch Rate
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&& DDR CH(A/B) Voltage Protection Allows you to set the voltage limit on Channel A and Channel B memory voltage for over-voltage protection. The adjustable range is from 150.0mV to 325.0mV. Auto lets the BIOS automatically configure this setting. (Default: Auto) && DDR CH(C/D) Voltage Protection Allows you to set the voltage limit on Channel C and Channel D memory voltage for over-voltage protection. The adjustable range is from 150.0mV to 325.0mV. Auto lets the BIOS automatically configure this setting. (Default: Auto) && CPU VRIN Current Protection Allows you to set the over-current protection level for the CPU VRIN voltage. Auto Lets the BIOS automatically configure this setting. (Default) Standard~Extreme Selects Standard, Low, Medium, High, Turbo, or Extreme which represents different level of over-current protection for the CPU VRIN voltage. && DDR CH(A/B) Current Protection Allows you to set the over-current protection level for Channel A and Channel B memory voltage. Auto Lets the BIOS automatically configure this setting. (Default) Standard~Extreme Selects Standard, Low, Medium, High, Turbo, or Extreme which represents different level of over-current protection for the memory voltage. && DDR CH(C/D) Current Protection Allows you to set the over-current protection level for Channel C and Channel D memory voltage. Auto Lets the BIOS automatically configure this setting. (Default) Standard~Extreme Selects Standard, Low, Medium, High, Turbo, or Extreme which represents different level of over-current protection for the memory voltage. && CPU VRIN PWM Thermal Protection Allows you to set the PWM thermal protection threshold for the CPU VRIN. The adjustable range is from 120oC~130oC. (Default: Auto) && CPU VRIN PWM Switch Rate Allows you to set the CPU VRIN PWM frequency. The adjustable range is from 400.0KHz to 600.0KHz. (Default: Auto) && DDR CH(A/B) PWM Switch Rate Allows you to set the PWM frequency for Channel A and Channel B memory. The adjustable range is from 300.0KHz to 500.0KHz. (Default: Auto) && DDR CH(C/D) PWM Switch Rate Allows you to set the PWM frequency for Channel C and Channel D memory. The adjustable range is from 300.0KHz to 500.0KHz. (Default: Auto) && PWM Phase Control Allows you to automatically change the PWM phase according to the CPU load. The power-saving levels are (from lowest to highest): eXm Perf (Extreme Performance ), High Perf (High Performance), Perf (Performance), Balanced, Mid PWR (Mid Power), and Lite PWR (Light Power). Auto lets the BIOS automatically configure this setting. (Default: Auto) && S3 Save Mode Determines whether to allow memory voltage to drop to a power-saving level when the system is in S3 state. (Default: Disabled) `` CPU Core Voltage Control This section provides CPU voltage control options. - 49 - BIOS Setup