User`s guide

39 KTC5520/EATX
www.kontron.com
5.1.4.1.1 Processor Power Management Configuration sub-menu
Feature Options Description Setup Help
Intel(R) SpeedStep(tm)
tech
Disabled
Enabled
Enables Intel(R) SpeedStep(tm) technology for
usage by OS.
Disable: Disable GV3
Enable: Enable GV3
Intel(R) TurboMode tech
Disabled
Enabled
This is an Intel Core i7-specific BIOS feature.
When this feature is enabled, the Intel Core i7
processor can dynamically overclock one or two
of its four processing cores to improve
performance with applications that are not
multi-threaded or optimized for quad-core
processors (e.g.single-threaded applications).
Turbo mode allows
processor cores to
run faster than
marked frequency
in speific condition
Intel(R) C-STATE tech
Enabled
Disabled
Advanced power management state
(C-state) that significantly reduces the power
of the processor during
idle periods.
CState: CPU idle
is set to C2/C3/C4
C State package limit
setting
Auto
C1
C3
C6
C7
Advanced power management state
(C-state) that significantly reduces the power
of the processor during
idle periods.
Selected option will
programe into C State
package limit register
C3 State
Disabled
ACPI C2
ACPI C3
Advanced power management state
(C-state) that significantly reduces the power
of the processor during
idle periods.
Nehalem C state
action select
C6 State
Enabled
Disabled
Advanced power management state
(C-state) that significantly reduces the power
of the processor during
idle periods.
Nehalem C state
action select
C1 Auto Demotion
Enabled
Disabled
Advanced power management state
(C-state) that significantly reduces the power
of the processor during
idle periods.
When enable, CPU
will conditionally
demote C3/C6/C7
requests to C1
based on uncore
auto-demote
information.
C3 Auto Demotion
Enabled
Disabled
Advanced power management state
(C-state) that significantly reduces the power
of the processor during
idle periods.
When enable, CPU
will conditionally
demote C6/C7 requests
to C3 based on uncore
auto-demote
information.