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3.5.5.1
CPU P State Control Submenu
SpeedStep (Pstates)
Enable/Disable EIST (P-States)
Disabled / Enabled
Boot performance mode
Select the performance state that the BIOS will set before OS hand off.
Energy Efficient Turbo
Energy Efficient Turbo Disable, MSR 0x1FC [19]
Turbo Mode
Enable/Disable processor Turbo Mode (requires EMTTM enabled too).
CPU Flex Ratio Override
Enable/Disable CPU Flex Ratio Programming
Disabled / Enabled
Max Performance / Max Efficient / Set by Intel Node
Disabled / Enabled
Disabled / Enabled
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