Power Technology

Disabled/Energy Efficient/Custom

Custom

Enables the power management features.

EIST (GV3)

Enabled/Disabled

Enabled

Enable or disable Enhanced Intel SpeedStep Technology (EIST).

Turbo Mode

Enabled/Disabled

Enabled

Enabled mode is supported only if Turbo Mode is supported in the CPU. Enabled mode also requires that Enhanced Multi Threaded Thermal Monitoring (EMTTM) be enabled on the CPU.

CPU C3 report

Enabled/Disabled

Disabled

Enable/disable the CPU C3 (ACPI C3) report to the operating system.

CPU C6 report

Enabled/Disabled

Enabled

Enable/disable the CPU C6 (ACPI C3) report to the operating system.

Package C State limit

Enabled/Disabled

Enabled

Enable/disable Package C State limit.

Energy Performance

Performance

Balanced Performance

Balanced Energy

Energy Efficiency

Balanced Performance

Use this option to select the Energy Performance mode.

Uncore Frequency Scaling (UFS)

Enabled/Disabled

Disabled

Enable/disable Uncore Frequency Scaling (USF).

Hardware P-States

Disabled

Native Mode

Out of Band

Native Mode

Select the Hardware P-State. Disable chooses a P-State based on operating system request (Legacy P-States). Native Mode chooses a P-State based on OS guidance. Out of Band lets hardware autonomously choose the P-State (no OS guidance).