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©Vecow EMBC-5000 User Manual
BIOS SETUP
4.3.2 Power & Performance
Figure 4-3-2 : Power & Performance
Boot performance mode
Select the performance state that the BIOS will set starting from reset vector.
Intel
®
SpeedStep™
Allows more than two frequency ranges to be supported.
Race To Halt (RTH)
Enable/Disable Race To Halt feature. RTH will dynamically increase CPU
frequency in order to enter pkg C-State faster to reduce overall power. (RTH is
controlled through MSR 1FC bit 20).
Intel
®
Speed shift Technology
Enable/Disable Intel
®
Speed Shift Technology support. Enabling will expose the
CPPCv2 interface to allow for hardware controlled P-states.
Turbo Mode
Enable/Disable processor Turbo Mode (requires Intel Speed Step or Intel Speed
Shift to be available and enabled).
Config TDP Configurations
Config TDP Configurations.
C states
Enable or disable CPU Power Management. Allows CPU to go to C states when
it's no 100% utilized.
Enhanced C-states
Enable/disable C1E. When enabled, CPU will switch to minimum speed when
all cores enter C-State.
4.3.2.1 CPU - Power Management Control
Figure 4-3-2-1 : CPU - Power Management Control