Supermicro X10DRG-Q User Manual download pdf (Page 81)

Chapter 4: AMI BIOS

4-9

CPU C State Control

Package C State limit

This feature allows the user to set the limit on the C-State package register.

The options are C0/C1 State, C2 State, C6 (Non Retention) State, and C6

(Rententioin) State.

CPU C3 Report

Select Enabled 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 Enabled and Disabled.

CPU C6 Report

Select Enabled to allow the BIOS to report the CPU C6 State (ACPI C3) to the

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

off. The options are Enabled and Disabled.

Enhanced Halt State (C1E)

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

reduce the CPU's power consumption by reducing the CPU's clock cycle and

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

 CPU T State Control

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.

Chipset Conguration

North Bridge

This feature allows the user to congure the following North Bridge settings.

IIO Conguration

EV DFX (Device Function On-Hide) Feature

When this feature is set to Enable, the EV_DFX Lock Bits that are located on a

processor will always remain clear during electric tuning. The options are Dis-

able and Enable.

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Supermicro X10DRG-Q User Manual Page 81