SUPER MICRO Computer X7SLA-L, X7SLA-H user manual ACPI Configuration

Chapter 4: AMI BIOS

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.

ACPI Configuration

Use this feature to configure ACPI (Advanced Configuration and Power Interface) power management settings for your system.

ACPI Aware OS

Select Yes to enable ACPI support for the OS. Disable this feature if ACPI is not supported by your OS. The options are Yes and No.

Suspend Mode

This option is used to select the ACPI State that is used for system suspend. The options are S1 (POS), S3 (STR) and Auto.

S1 (POS) - All processor caches are erased, and stops executing in- structions. Power to the CPU(s) and RAM is maintained, but RAM is refreshed.

S3 (STR) - The CPU has no power and the power supply goes on reduced power mode. However, main memory (RAM) is still powered.

ACPI Version Feature

This feature allows the user to select the ACPI Version for the system. The op- tions are ACPI 1.0, ACPI 2.0, and ACPI 3.0.

USB Device Wakeup

Select Enable to "wake-up" the system via a USB device when the system is in S3 or S4 State. The options are Enabled and Disabled.

PS2 KB/MS Wake Up

Select Enable to "wake-up" the system using either the PS2 keyboard or mouse (if equipped) when the system is in S3 (Sleep) or S4 (Hibernate) state. The options are Enabled and Disabled.

Watch Dog Function

Select Enable to enable Watch Dog Timer and allow the system to reboot when it is inactive for more than 5 minutes. The options are Enabled and Disabled.

Restore on AC Power Loss

Use this feature to set the power state after a power outage. Select Power-Off for the system power to remain off after a power loss. Select Power-On for the system power to be turned on after a power loss. Select Last State to allow the system to

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