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PRIME/PRO/ProArt/TUF GAMING Intel 400 Series BIOS Manual
The following item appears only when CPU VRM Switching Frequency is set to
[Manual].
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.
The following item appears only when CPU VRM Switching Frequency is set to [Auto].
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]
The following item appears only when VRM Spread Spectrum is set to [Disabled].
Active Frequency Mode
Enable this item to enhance the power saving option.
Configuration option: [Disabled] [Enabled]
CPU Power Duty Control
CPU power duty control adjusts the duty cycle of each VRM phase based upon
current and/or temperature.
[T. Probe] Select to set the VRM thermal balance mode.
[Extreme] Select to set the VRM current balance mode.
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.
The following items appear only when using the onboard graphics.
CPU Graphics Load-line Calibration
The load-line is defined by the Intel VRM specification and affects the CPU Graphics
power voltage. The CPU Graphics working voltage will decrease proportionally
depending on the CPU Graphics loading Higher levels of the load-line calibration can
get a higher voltage and a better overclocking performance but increase the CPU
Graphics and VRM thermal production. Select from level 1 to 7 to adjust the CPU
Graphics power voltage from 100% to 15%.
Configuration options: [Auto] [Level 1] - [Level 7]