Supermicro X11DGQ User Manual page 80

Super X11DGQ User's Manual
CPU C State Control

Autonomous Core C-State
Select Enable to support Autonomous Core C-State control which will allow the processor
core to control its C-State setting automatically and independently. 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 Auto,
Enable, and Disable.
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.
Package C State Control (Available when "Power Technology" is set

to Custom)
Package C State
Package C state is the idle power saving feature applied to the entire system, all cores
and circuits included.
This option is used to optimize or reduce CPU package power consumption in idle mode.
For example, if C2 state is chosen, all cores cannot be in a deeper state than C2, they can
only be C0, C1, C2. The options are C0/C1 state, C2 state, C6 (non-Retention) state, C6
(Retention) state, No Limit, and Auto.
CPU T State Control Available when "Power Technology" is set to

Custom)
Software Controlled T-States
If this feature is set to Enable, CPU throttling settings will be supported by the software of
the system. The options are Enable and Disable.
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