Asus ROG STRIX Z490-H GAMING Bios Manual page 28

Configure higher values when overclocking or under a high loading for extra power
support.
CPU VRM Switching Frequency
This item affects the VRM transient response speed and the component thermal
production. Select [Manual] to configure a higher frequency for a quicker transient
response speed.
Configuration options: [Auto] [Manual]
DO NOT remove the thermal module. The thermal conditions should be monitored.
The following item appears only when CPU VRM Switching Frequency is set to
[Manual].
The following item appears only when CPU VRM Switching Frequency is set to [Auto].
The following item appears only when VRM Spread Spectrum is set to [Disabled].
CPU Power Duty Control
CPU power duty control adjusts the duty cycle of each VRM phase based upon
current and/or temperature.
[T. Probe]
[Extreme]
DO NOT remove the thermal module when setting this item to [Extreme]. The thermal
conditions should be monitored.
CPU Power Phase Control
This item allows you to set the power phase control of the CPU.
Configuration options: [Auto] [Standard] [Extreme]
DO NOT remove the thermal module when setting this item to [Extreme]. The thermal
conditions should be monitored.
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Fixed CPU VRM Switching Frequency (KHz)
This item allows you to set a higher frequency for a quicker transient
response speed. Use the <+> or <-> to adjust the value. The values range
from 250 to 500 with an interval of 50.
VRM Spread Spectrum
This item allows you to reduce the magnitude of peak noise from the
VRM. Enable this item to reduce peak noise. Disable this settings when
overclocking.
Configuration options: [Auto] [Disabled] [Enabled]
Active Frequency Mode
Enable this item to enhance the power saving option.
Configuration option: [Disabled] [Enabled]
Select to set the VRM thermal balance mode.
Select to set the VRM current balance mode.
ROG STRIX Z490-H GAMING BIOS Manual