2. Operation Mode
2. Operation Mode
The server supports the following operation modes, and these modes can be set and changed.
Each setting can be changed on BIOS SETUP and Remote Management.
See the corresponding section as shown below for details.
BIOS Setup Utility (SETUP): Chapter 2 (1. System BIOS) in Maintenance Guide
Remote Management: Chapter 3 (7. Using Remote Management) in User's Guide
(1) BIOS Setup Utility (SETUP)
Processor Related (Power Management)
Advanced menu
Processor Configuration
Processor Power Management
Operation mode
Parameter
When
applied
Description
Processor C3 Report [Disabled]
Enabled
At next boot Enable or disable the feature to transfer C3 State
by OS.
Disabled: Disables the feature.
Enabled: Trasnfer to C3 State (Deep Sleep:
Clock stop) according to CPU load status, and
reduce the energy consumption while retaining
the optimum performance.
Processor C6 Report Disabled
[Enabled]
At next boot Enable or disable the feature to transfer C6 State
by OS.
Disabled: Disables the feature.
Enabled: Trasnfer to C6 State (Deep Power
Down: Stop power supply except for SRAM)
according to CPU load status, and reduce the
energy consumption while retaining the optimum
Package C state Limit [C0]
C2
C6
No Limit
At next boot Specify the upper limit of Package C State. C0
represents normal operation status. The energy
saving efficiency increases C2, and then C6 in
order. However, the time required to return to
normal status (C0) increases. If transition
between C0, C2, and C6 is performed frequently,
the performance may be lowered.
C0: Always in Package C0 State.
C2: Transits from C0 to C2 state according to
system load state.
C6: Transits from C0 to C2, C2 to C6 state
according to system load state.
No-Limit: Transits to any C state available.
EIST Disabled
[Enabled]
At next boot Enable or disable the Enhanced Intel SpeedStep
Technology feature. This item is displayed only
when the installed processor supports this
feature.
Disabled: Disables the feature.
Enabled: Enables the feature.
OS Performance
Tuning
Disabled
[Enabled]
At next boot
Allow or disallow the performance tuning by OS.
Disabled: Disables the feature.
Enabled: Enables the feature.
Express5800/A1040b, A2040b, A2020b, A2010b User's Guide
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