MSI MPG X299M GAMING EDGE AC Quick Start Manual page 75

fCPU SA Switching Frequency [Auto]
Sets the PWM working speed to stabilize CPU SA voltage and minimize ripple
range. Increasing the PWM working speed will cause higher temperature of
MOSFET. So please make sure a cooling solution is well-prepared for MOSFET
before you increase the value. If set to Auto, BIOS will configure this setting
automatically.
fCPU IO Switching Frequency [Auto]
Sets the PWM working speed to stabilize CPU I/O voltage and minimize ripple
range. Increasing the PWM working speed will cause higher temperature of
MOSFET. So please make sure a cooling solution is well-prepared for MOSFET
before you increase the value. If set to Auto, BIOS will configure this setting
automatically.
fDRAM CH_A/B, CH_C/D Phase Control [Auto] (optional)
Controls PWM phase proportionally according to the DRAM loading. If set to Auto,
BIOS will optimize the DRAM PWM phase automatically.
[Auto] This setting will be configured automatically by BIOS.
[Optimized] Sets the optimum power phase profile.
[Disabled] Disables the PWM power phase switching feature.
fDRAM CH_A/B, CH_C/D Over Current Protection [Auto] (optional)
Sets the current limit for DRAM over-current protection.
[Auto]
[Enhanced]
fDRAM CH_A/B, CH_C/D Switching Frequency [Auto] (optional)
Sets the PWM working speed to stabilize DRAM voltage and minimize ripple range.
If set to Auto, BIOS will configure this setting automatically.
fDRAM CH_A/B, CH_C/D VRM Over Temperature Protection [Auto] (optional)
Sets the temperature limit on DRAM VRM for over-temperature protection.
The DRAM frequency may be throttled when DRAM VRM over the specified
temperature.If set to Auto, BIOS will configure this settings.
f SVID Communication [Auto]*
Enables or disables SVID (Serial Voltage Identification) support.
[Auto] This setting will be configured automatically by BIOS.
[Enabled] PWM phase will be changed dynamically according to the CPU SVID
(Serial Voltage Identification).
[Disabled] Disables SVID (Serial Voltage Identification) support.
f VCCIN Voltage [Auto]
Sets the CPU input voltage. The CPU input voltage is the CPU power source that is
shared with components of the CPU.
This setting will be configured automatically by BIOS.
Extends the limitation of memory over-current protection.
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BIOS Setup