Supero C7B360-CB-M, User Manual

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Chapter 4: AMI BIOS
4-9
C States
C-State architecture, a processor power management platform
developed by Intel, can further reduce power consumption from
the basic C1 (Halt State) state that blocks clock cycles to the CPU.
Select Enabled for CPU C-State support. The options are Disabled
or
Enabled . If this feature is set to Enabled, the following features
will display:
Enhanced C-states
(Available when "C States" is set to Enabled)
This feature enables Enhanced C1 Power State to boost system
performance. The options are Disabled or Enabled.
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 undemote
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 undemote
from demoted Package C-State Un-Demotion. The options are
Dis-
abled or Enabled.
CState Pre-Wake
Use this feature to enable the C-State pre wake. The options are
Disabled or Enabled.
IO MWAIT Redirection
When enabled, this feature will map and send the IO read instruc-
tions to the IO registers. The options are
Disabled or Enabled.