ASROCK X399 Gaming User Manual page 94

IOMMU
Use this to enable or disable IOMMU. The default value of this feature is [Disabled].
Determinism Slider
[Auto]
Use default performance determinism settings
cTDP Control
[Auto]
Use the fused cTDP.
[Manual]
User can set customized cTDP.
Fan Control
[Auto]
Use the default fan controller settings.
[Manual]
User can set customized fan controller settings.
PSI
Disable PSI.
ACS Enable
Enable ACS.
PCIe ARI Support
Enables Alternative Routing-ID Interpretation
CLDO_VDDP Control
[Manual]
If this option is selected, user can set customized CLDO_VDDP voltage.
HD Audio Enable
Enable HD Audio.
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