Chapter 4: UEFI BIOS
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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 configurable 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 defines 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).
