Chapter 4: UEFI BIOS
109
C-State Un-demotion
When this feature is enabled, the CPU will conditionally un-demote from demoted C3 or
C1. The options are Disabled, C1, C3, and C1 and C3.
Package C-State Demotion
This feature enables the Package C-State demotion. The options are Disabled and
Enabled.
Package C-State Un-Demotion
When this feature is enabled, the CPU will conditionally un-demote from demoted Pack-
aged Package C-State Un-Demotion. The options are Disabled and Enabled.
CState Pre-Wake
This feature enables the C-State pre wake. The options are Disabled and Enabled.
IO MWAIT Redirection
When enabled, this feature will map and send the I/O read instructions to the I/O registers.
The options are Disabled and Enabled.
Package C-State Limit
Select Auto for the AMI BIOS to automatically set the limit on the C-State package register.
The options are C0/C1, C2, C3, C6, C7, C7S, C8, C9, C10, CPU Default, and Auto.
Package C-State Workaround
This feature enables a workaround for Package C-State 6/7. The options are Disabled
and Enabled.
GT - Power Management Control
Note: This submenu becomes congurable when the installed CPU has built-in inte-
grated graphics.
GT - Power Management Control
RC6 (Render Standby)
Use this feature to enable Render Standby support. The options are Disabled and
Enabled.
Maximum GT Frequency
This feature denes the Maximum GT Frequency. Choose between 100MHz (RPN) and
1200MHz (RP0). Any value beyond this range will be clipped to its min/max supported
by the CPU. The options are Default Max Frequency and 100MHz~1200MHz (in incre-
ments of 50MHz).
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