TYAN S5652 - Page 143

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3.4.6.1 CPU P State Control Configuration
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.
Max Performance / Max Efficient / Set by Intel Node Manager
Energy Efficient Turbo
Energy Efficient Turbo Disable, MSR 0x1FC [19].
Enabled / Disabled
Turbo Mode
Enable/Disable processor Turbo Mode (requires EMTTM enabled too).
Disabled / Enabled
CPU Flex Ratio Override
Enable/Disable CPU Flex Ratio Programming
Disabled / Enabled