Super X12DPG-AR User's Manual
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Hardware PM State Control
Hardware P-States
This feature allows the user to select between OS and hardware-controlled P-states.
Selecting Native Mode allows the OS to choose a P-state. Selecting Out of Band Mode
allows the hardware to autonomously choose a P-state without OS guidance. Selecting
Native Mode with No Legacy Support functions as Native Mode with no support for older
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's power consumption by minimizing CPU's clock cycles and reduce voltage during a
"Halt State". The options are Disable and
Enable
.
