Supermicro X10DRH-I User Manual download pdf (Page 83)

Chapter 4: AMI BIOS

4-9

 CPU C State Control (Available when Power Technology

is set to Custom)

Package C State limit

Use this item to set the limit on the C-State package register. The options are

C0/1 state, C2 state, C6 (non-Retention) state, C6 (Retention) state, and No

Limit.

CPU C3 Report

Select Enable to allow the BIOS to report the CPU C3 State (ACPI C2) to the

operating system. During the CPU C3 State, the CPU clock generator is turned

off. The options are Enable and Disable.

CPU C6 Report (Available when Power Technology is set to Custom)

Select Enable to allow the BIOS to report the CPU C6 state (ACPI C3) to the

operating system. During the CPU C6 state, power to all cache is turned off.

The options are Enable and Disable.

Enhanced Halt State (C1E)

Select Enabled to use Enhanced Halt-State technology, which will signicantly

reduce CPU power consumption by reducing CPU clock cycles and voltages

during a Halt-state. The options are Disable and Enable.

 CPU T State Control (Available when Power Technology

is set to Custom)

ACPI (Advanced Conguration Power Interface) T-States

Select Enable to support CPU throttling by the operating system to reduce power

consumption. The options are Enable and Disable.

 Socket RAPL (Running Average Power Limit) Cong.

(Conguration)

FAST_RAPL_NSTRIKE_PL2_DUTY_CYCLE

This feature displays the value of the item above within the range between 25

(10%) and 64 (25%). The default setting is 64.

Turbo Power Limit Lock

Select Enable to set the power use limit for the machine when it is running in

the turbo mode. The options are Enable and Disable.

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Supermicro X10DRH-I User Manual Page 83