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3.3.2
Power & Performance
3.3.2.1
CPU-Power Management Control
Config TDP Configurations
Feature
Options
Description
Intel(R) SpeedStep(TM)
Enabled
Disabled
Allows more than two frequency ranges to be
supported.
Intel(R) Speed Shift
Technology
Enabled
Disabled
Enable/Disable Intel(R) Speed Shift
Technology support. Enabling will expose the
CPPC v2 interface to allow for hardware
controlled P-states.
Turbo Mode
Disabled
Enabled
Enable/Disable processor Turbo Mode
(requires EMTTM enabled). AUTO means
enabled, unless max turbo ratio is bigger than
16 - SKL A0 W/A.
Config TDP
Configurations
Submenu
Feature
Options
Description
Configurable TDP
Boot Mode
Nominal
Down
Deactivate
Configure TDP Mode as
Nominal/Down/Disabled. Disabled option will
set MSR to Nominal and MMIO to Zero.
Configurable TDP
Lock
Disabled
Enabled
Configurable TDP Mode Lock sets the Lock
bits on TURBO_ACTIVATION_RATIO and
CONFIG_TDP_CONTROL. Note: When
CTDP Lock is enabled Custom ConfigTDP
Count will be forced to 1 and Custom
ConfigTDP Boot Index will be forced to 0.