Super X12SPW-TF/F User's Manual
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Hardware PM State Control
Hardware P-States
This setting allows you to select between OS and hardware-controlled P-states. Select-
ing 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 hard-
ware. The options are Disable, Native Mode, Out of Band Mode, and Native Mode with
No Legacy Support.
Frequency Prioritization
RAPL Prioritization
Use this feature to enable the RAPL balancer. The options are Enable and Disable.
CPU C State Control
Enable Monitor MWAIT
Select Enabled to enable the Monitor/Mwait instructions. The Monitor instructions moni-
tors a region of memory for writes, and MWait instructions instruct the CPU to stop until
the monitored region begins to write. The options are Disable and Enable.
CPU C6 Report
Select Enable to allow the BIOS to report the CPU C6 State (ACPI C3) to the operating
system. During the CPU C6 State, the power to all cache is turned o. The options are
Disable, Enable, and Auto.
Enhanced Halt State (C1E)
Select Enable to use Enhanced Halt State technology, which signicantly reduces the
CPU's power consumption by reducing its clock cycle and voltage during a Halt-state.
The options are Disable and Enable.
Package C State Control
Package C State
This feature allows you to set the limit on the C State package register. The options are
C0/C1 state, C2 state, C6(non Retention) state, and Auto.
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