Chipset Configuration - Supermicro X11SRA User Manual

Super X11SRA/-F/-RF User Manual
Hardware PM (Power Management) State Control
Hardware P-States
If this feature is set to Disable, 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 OS guidance. If this feature is set to Native Mode with No Legacy
Support, 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. Package Power Limit MSR Lock Select Enabled to lock the package power limit
for the model specific registers. The options are Disabled and Enabled.
CPU C State Control
Autonomous Core C-State
Select Enable to support Autonomous Core C-State control which will allow the proces-
sor core to control its C-State setting automatically and independently. The options are
Enable and Disable.
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, power to all caches is turned off. The options are
Auto, Enable, and Disable.
Enhanced Halt State (C1E)
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.
Package C State Control
Package C State
Use this feature to set the limit on the C-State package register. The options are C0/1
state, C2 state, C6 (non-Retention) state, C6 (Retention) state, No Limit, and Auto.
Chipset Configuration
Warning: Setting the wrong values in the following features may cause the system to
malfunction.
74