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1. System BIOS
Express5800/B120g-h Maintenance Guide
52
Chapter 2 Useful Features
(b)
Processor Power Management Submenu
For details about the options, see the table below.
Option Parameter
Description
Power Management Policy Performance Preferred
Energy Preferred
[Custom]
Specifies the power management policy.
Menu items below are selectable when
Custom
is specified.
Processor C3 Report
[Disabled]
Enabled
Enables or disables the feature to report the processor C3 state
to OS.
Processor C6 Report
[Disabled]
Enabled
Enables or disables the feature to report the processor C6 state
to OS.
Package C State Limit
C0/C1
C2
C6(non Retention)
C6(Retention)
[No Limit]
Specifies the upper limit for Package C state of the processor.
EIST Disabled
[Enabled]
Enables or disables Enhanced Intel SpeedStep Technology.
This option is displayed only when the installed processor
supports this feature.
Energy Performance
Performance
[Balanced Performance]
Balanced Power
Power
Specifies whether the performance is preferred or energy-saving
is preferred while processor is running.
This option is displayed when
EIST
is set to
Enabled
.
Turbo Boost
Disabled
[Enabled]
Enables or disables the Turbo Boost Technology. This option is
displayed when
EIST
is set to
Enabled
.
This option is displayed only when the installed processor
supports this feature.
Energy Efficient Turbo
Disabled
[Enabled]
Enables or disables Energy Efficient Turbo feature. This option is
displayed when
EIST
is set to
Enabled
and Turbo Boost is set to
Enabled
.
P-STATE Coordination
[HW_ALL]
SW_ALL
SW_ANY
Specifies the type of P-STATE Coordination.
This option is displayed when
EIST
is set to
Enabled
.
Workload Sensitivity
[Balanced]
I/O sensitive
Select
I/O sensitive
when system performance should take
precedence over the I/O workload.
Uncore Frequency Scaling Disabled
[Enabled]
Enables or disables the feature that adjusts the Uncore operating
frequency dynamically.
Uncore Frequency
Coordination
[Disabled]
Enabled
Enables or disables the feature that adjusts the operating
frequency of Uncore in each processor. This option is displayed
when
Uncore Frequency Scaling
is set to
Enabled
.
Hardware P-State
[Disabled]
Autonomous
Corporative
Specifies the Hardware P-State mode of a processor. This
option is displayed when the processor supporting this feature is
installed.