Supermicro SYS-6027R-TRF [109/122] Acpi settings

Chapter 7: BIOS

7-21

ACPI Settings

Use this feature to conﬁ gure Advanced Conﬁ guration and Power Interface (ACPI)

power management settings for your system.

ACPI Sleep State

Use this feature to select the ACPI State when the system is in sleep mode. Select

S1 (CPU Stop Clock) to erase all CPU caches and stop executing instructions.

Power to the CPU(s) and RAM is maintained, but RAM is refreshed. Select Suspend

to use power-reduced mode. Power will only be supplied to limited components

(such as RAMs) to maintain the most critical functions of the system. The options

are S1 (CPU Stop Clock) and Suspend Disabled.

Numa

This feature enables the Non-Uniform Memory Access ACPI support. The options

are Enabled and Disabled.

High Precision Timer

Select Enabled to activate the High Precision Event Timer (HPET) that produces

periodic interrupts at a much higher frequency than a Real-time Clock (RTC) does

in synchronizing multimedia streams, providing smooth playback, reducing the de-

pendency on other timestamp calculation devices, such as an x86 RDTSC Instruc-

tion embedded in the CPU. The High Performance Event Timer is used to replace

the 8254 Programmable Interval Timer. The options are Enabled and Disabled.

Trusted Computing (Available if a TPM device is installed)

Conﬁ guration

TPM Support

Select Enabled on this item and enable the TPM jumper on the motherboard to

allow TPM support to improve data integrity and network security. The options

are Enabled and Disabled.

Current Status Information: This item displays the information regarding the

current TPM status.

TPM Enable Status

This item displays the status of TPM Support to indicate if TPM is currently

enabled or disabled.