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EIST
(Intel Enhanced Intel SpeedStep
Technology)
Conventional Intel SpeedStep Technology switches both
voltage and frequency in tandem between high and low
levels in response to processor load.
[Enabled]
Disabled
Turbo Mode When this item is enabled, the processor will
automatically ramp up the clock speed of 1-2 of its
processing cores to improve its performance. When this
item is disabled, the processor will not overclock any of its
core.
[Enabled]
Disabled
Energy Performance Energy Performance Bias is Intel CPU function.
The larger value in
MSR_ENERGY_PERFORMANCE_BIAS register, CPU
will save more power but lose more performance.
Note: This register will be changed by OS too if OS
support it like Windows 2008 or newer Linux.
[Performance]
Balanced Performance
Balanced Energy
Energy Efficient
Platform power limit lock Enable/Disable Platform power limit lock feature. [Enabled]
Disabled
CPU C states Enable CPU C states. [Enabled]
Disabled
Enhanced C1 state Select whether to enable the C1 Enhanced mode for the
processor. If enabled, all logical processors in a physical
processor will run in a C1 state.
[Enabled]
Disabled
CPU C3 Report Enable/Disable C3 Report. [Enabled]
Disabled
CPU C6 Report Enable/Disable C6 Report. [Enabled]
Disabled
CPU C7 Report Enable/Disable C7 Report. Disabled
CPU C7
[CPU C7s]
Package C state demotion Configure state for the C-State package demotion Enabled
[Disabled]
Package C state undemotion Configure state for the C-State package undemotion Enabled
[Disabled]
CFG Lock Enable/Disable CFG lock feature. [Enabled]
Disabled
Package C State Limit Configure state for the C-State package limit. C0/C1
C2
C3
C6
C7
C7s
[Auto]
Intel TXT (LT) Support Enable/Disable Intel TXT (LT) support. Enabled
[Disabled]
CPI T State Enable or Disable ACPI T State. Enabled
[Disabled]
CPU DTS Enable/Disable CPU DTS support. Enabled
[Disabled]
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