SUPER MICRO Computer X9SPV-LN4F CPU PPM Configuration Power Technology, Turbo Mode, Acpi T State

Chapter 4: AMI BIOS

CPU PPM Configuration

Power Technology

This feature determines what power-saving scheme the motherboard uses. The options are Disabled, Energy Efficient and Custom. If Custom is selected, the following options become available:

EIST

EIST (Enhanced Intel SpeedStep Technology) allows the system to automati- cally adjust processor voltage and core frequency in an effort to reduce power consumption and heat dissipation. Please refer to Intel’s web site for detailed information. The options are Disabled and Enabled.

Turbo Mode

This feature allows processor cores to run faster than marked frequency in specific conditions. The options are Disabled and Enabled.

CPU C3 Report, CPU C6 Report

This BIOS feature enables or disables C3 (ACPI C2) and C6 (ACPI C3) reporting to the operating system. The options are Disabled and Enabled.

Config TDP LOCK

Use this feature to lock the Config TDP Control register. The options are Disabled and Enabled.

Long Duration Power Limit

This is the processor power consumption limit (in Watts) during a long duration time window. The default setting is 0.

Long Duration Maintained

This is the time in milliseconds where the Long Duration Power Limit is maintained. The default setting is 1.

Short Duration Power Limit

During Turbo Mode, the system may exceed the processor's default power setting and exceed the Short Duration Power limit. By increasing this value, the proces- sor can provide better performance for a short duration. The default setting is 0.

ACPI T State

Select enabled for ACPI throttling state support. The options are Enabled and Disabled.

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