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Processor power management – Kontron COMe-bHL6 User Manual

Page 86

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COMe-bHL6 / BIOS Operation

Processor Power Management

Feature

Options

Description

Intel® SpeedStep(TM)

Enabled

Disabled

Enable/Disable processor performance states (P-

States)

Boot Performance Mode

Max Performance

Max Battery

Auto

Select the performance state that the BIOS sets before
OS hand-off

Turbo Mode

Enabled

Disabled

Enable processor Turbo Mode

- Turbo Mode Power Limit Lock

Disabled

Enabled

Enable/Disable Locking of turbo settings. When

enabled, Turbo_Power_Limit MSR will be locked and a
reset will be required to unlock the register

- Long Power Limit

0

Turbo Mode Long Duration Power Limit (also known as

Power Limit PL1) in Watts. The value may vary from 0 to
Fused Value. If the value is 0, the fused value will be

programmed. A value greater than fused TDP value will
not be programmed

- Long Power Limit Time

28

Long Duration Time Windows (also known as PL1 Time)

value in seconds. The value may vary from 0 to 56.
Indicates the time window over which TDP value should

be maintained. If the value is 0, the fused value will be
programmed

- Short Power Limit

0

Turbo Mode Short Duration Power Limit (also known as

Power Limit PL2) in Watts. The value may vary from 0 to
Fused Value. If the value is 0, the fused value will be

programmed. A value greater than fused TDP value will
not be programmed

- Short Duration Turbo Mode

Enabled

Disabled

Enable/Disable Short Duration Turbo Mode for

processor

- Energy Efficient Enable

Enabled

Disabled

Enable/Disable Energy Efficient for processor

Configure TDP Boot Mode

Nominal

Down
Up

Disabled

Configure TDP Mode (cTDP). Disabled option will skip all

cTDP boot configurations

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