Supermicro X13DSF-A User Manual page 100

Super X13DSF-A User's Manual
CPU Flex Ratio Override (Available when "SpeedStep (P-States)" is set to
Enable and when your CPU supports this feature)
Select Enable to override the CPU Flex-Ratio setting, which is the minimum multiplier
that allows the computer to clock. The options are Disable and Enable.
CPU Core Flex Ratio (Available when "CPU Flex Ratio Override" is set to Enable
and when your CPU supports this feature)
Use this feature to configure the Core Ratio Multiplier settings for non-Turbo mode pro-
cessors. The default setting is 23.
Hardware PM State Control

Hardware P-States
If this feature is set to Disable, system hardware will choose a P-state setting for the
system based on an OS request. If this feature is set to Native Mode, hardware will
choose a P-state setting based on the OS guidance. If this feature is set to Native Mode
with No Legacy Support, system hardware will choose a P-state setting independently
without OS guidance. The options are Disable, Native Mode, Out of Band Mode, and
Native Mode with No Legacy Support.
Frequency Prioritization (Available when "Power Technology" is set to
Custom, "Hardware P-states" is set to Native Mode or Native Mode with
No Legacy Support, and when your processor supports Intel SST-CP)
SST-CP
With Intel Speed Select Technology (Intel SST-CP), surplus frequency is allocated based
on the cores' weights. The weight for each core is assigned by the OS or the Virtual
Machine Manager (VMM). 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, Enable, and Auto.
CPU C1 Auto Demotion
Enable this feature to allow CPU to automatically demote to the C1 state. Reboot the
system for the change to take effect. The options are Disable and Enable.
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