ASRock B550 Pro4 User Manual - Page 68

Infinity Fabric Frequency and Dividers, External Voltage Settings and Load-line Calibration

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DRAM Information DRAM Frequency If [Auto] is selected, the motherboard will detect the memory module(s) inserted and assign the appropriate frequency automatically. Setting DRAM Frequency can adjust DRAM Timing. DRAM Voltage Configure the voltage for the DRAM Voltage. Infinity Fabric Frequency and Dividers AMD Overclocking Setup Set Infinity Fabric frequency (FCLK). Auto: FCLK = MCLK. Manual: FCLK must be less than or equal to MCLK for best performance in most cases. Latency penalties are incurred if FCLK and MCLK are mismatched, but sufficiently high MCLK can negate or overcome this penalty. DRAM Timing Configuation External Voltage Settings and Load-line Calibration CPU Vcore Voltage Input voltage for the processor by the external voltage regulator. CPU Load-Line Calibration CPU Load-Line Calibration helps prevent CPU voltage droop when the system is under heavy loading. VDDCR_SOC Voltage Input voltage for the processor by the external voltage regulator. VDDCR_SOC Load-Line Calibration VDDCR_SOC Load-Line Calibration helps prevent VDDCR_SOC voltage droop when the system is under heavy loading. VPPM Configure the voltage for the VPPM. 2.50V Voltage Configure the voltage for the 2.50V PROM Voltage. +1.8V Voltage Configure the voltage for the +1.8V Voltage. The default value is [Auto]. 62 English

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DRAM Information
DRAM Frequency
If [Auto] is selected, the motherboard will detect the memory module(s) inserted
and assign the appropriate frequency automatically. Setting DRAM Frequency can
adjust DRAM Timing.
DRAM Voltage
Configure the voltage for the DRAM Voltage.
Infinity Fabric Frequency and Dividers
AMD Overclocking Setup Set Infinity Fabric frequency (FCLK). Auto: FCLK =
MCLK. Manual: FCLK must be less than or equal to MCLK for best performance in
most cases. Latency penalties are incurred if FCLK and MCLK are mismatched, but
sufficiently high MCLK can negate or overcome this penalty.
DRAM Timing Configuation
External Voltage Settings and Load-line Calibration
CPU Vcore Voltage
Input voltage for the processor by the external voltage regulator.
CPU Load-Line Calibration
CPU Load-Line Calibration helps prevent CPU voltage droop when the system is
under heavy loading.
VDDCR_SOC Voltage
Input voltage for the processor by the external voltage regulator.
VDDCR_SOC Load-Line Calibration
VDDCR_SOC Load-Line Calibration helps prevent VDDCR_SOC voltage droop
when the system is under heavy loading.
VPPM
Configure the voltage for the VPPM.
2.50V Voltage
Configure the voltage for the 2.50V PROM Voltage.
+1.8V Voltage
Configure the voltage for the +1.8V Voltage. °e default value is [Auto].