Supero C9X299-PG, Руководство пользователя

Страница: 94 / 156

4-22
Supermicro C9X299-PG/-PGF/-RPGF Motherboard User’s Manual
C states
C-States architecture, a processor power management platform devel-
oped by Intel, can further reduce power consumption from the basic
C1 (Halt State) state that blocks clock cycles to the CPU. Select En-
abled for CPU C Sates support. The options are
Enabled or Disabled.
*If this feature is set to Enabled, the following features (up to "Custom
P-state Table") will display:
Enhanced C-states
Select Enabled to enable Enhanced C1 Power State to boost system
performance. The options are
Enabled or Disabled.
C-State Auto Demotion
When this feature is enabled, the CPU will conditionally demote C
State based on un-cored auto-demote information. The options are
Disabled, C1, C3 and
C1 and C3 .
C-State Un-demotion
When this feature is enabled, the CPU will conditionally un-demote
from demoted C3 or C1. The options are Disabled, C1, C3 and
C1
and C3 .
Package C-State Demotion
This feature enables the Package C-State demotion. The options are
Disabled or Enabled.
Package C-State Un-Demotion
When this feature is enabled, the CPU will conditionally un-demote
from demoted Packaged Package C-State Un-Demotion. The options
are
Disabled or Enabled.
CState Pre-Wake
This feature enables the C-State pre wake. The options are Enabled
or Disabled.
IO MWAIT Redirection
This feature is for legacy operating systems. It redirects I/O reads
in order to convert them into MWAIT C-state requests. When using a
legacy operating system, enable this feature. The default is
disabled .