Chapter 4: BIOS
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hardware. The options are
Disable
, Native Mode, Out of Band Mode, and Native Mode
with No Legacy Support.
Frequency Prioritization
RAPL Prioritization
Select Enable to prioritize RAPL (Running Average Power Limit) which sets the power
consumption limit for a processor to save energy. The options are Enable and
Disable
.
CPU C State Control
Enable Monitor/Mwait
Select Enable to support Monitor and Mwait, which are two instructions in Streaming
SIMD Extension 3 (SSE3), to improve synchronization between multiple threads for CPU
performance enhancement. The options are Disable and
Enable
.
CPU C6 Report (Available when "Autonomous Core C-State" is set to Disable)
Select Enable to allow the BIOS to report the CPU C6 state (ACPI C3) to the operating
system. During the CPU C6 state, power to all caches is turned off. The options are Disable,
Enable and
Auto
.
Enhanced Halt State (C1E) (Available when "Autonomous Core C-State" is set to
Disable)
Select Enable to enable "Enhanced Halt State" support, which will significantly reduce the
CPU power consumption by minimizing CPU's clock cycles and reduce voltage during a
"Halt State". The options are Disable and
Enable
.
Package C State Control
Package C State
Use this feature to optimize and reduce CPU package power consumption in the idle mode.
Please note that the changes you've made in this setting will affect all CPU cores or the
circuits of the entire system. The options are C0/C1 state, C2 state, C6 (non-Retention)
state, and
Auto
.
CPU T State Control
Software Controlled T-States
If this feature is set to Enable, CPU throttling will be controlled by the OS, which will reduce
the speed of the CPU. The options are
Disable
and Enable.
