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©Vecow EXBC-2000 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(R) SpeedStep(tm)
Allow more than two frequency ranges to be supported.
Intel(R) 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).
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.
Configurable TDP Boot Mode
Configurable TDP Mode as Nominal/Up/Down/Deactivate TDP selection.
Deactivate option will set MSR to Nominal and MMIO to Zero. Configurable TDP
allows operation in situation where extra cooling is available or situations where
a cooler and quieter mode of operation is desired.
4.3.2.1 CPU-Power Management Control
Figure 4-3-2-1 : CPU-Power Management Control