Advantech ARK-1551 User Manual page 45

CPU - Power Management Control
Boot Performance mode

Select the performance state that the BIOS will set before OS handoff.
Intel® SpeedStep™

Allows more than two frequency ranges to be supported.
Intel® Speed Shift Technology

Enable/Disable Intel® Speed Shift Technology support.
HDC Control

Enable/Disable Intel® HDC.
Turbo Mode

Enable/Disable processor turbo mode.
View/Configure Turbo Options

View and Configure Turbo Options.
CPU Lock Configuration

CPU Lock Configuration.
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33 ARK-1551 User Manual