User guide

ECW-281B-D2550 Embedded System
Page 73
 Restore AC Power Loss [Last State]
Use the Restore AC Power Loss BIOS option to specify what state the system returns to
if there is a sudden loss of power to the system.

Power Off
The system remains turned off

Power On
The system turns on

Last State DEFAULT
The system returns to its previous state. If it was on, it
turns itself on. If it was off, it remains off.
 Power Saving Function(ERP) [Disabled]
Use the Power Saving Function(ERP) option to enable or disable the power saving
function.

Disabled DEFAULT
Disables the power saving function.

Enabled
Enables the power saving function.
 Azalia Controller [Enabled]
Use the Azalia Controller option to enable or disable the High Definition Audio controller.

Disabled
The onboard High Definition Audio controller is disabled.

Enabled DEFAULT
The onboard High Definition Audio controller
automatically detected and enabled
 Set Spread Spectrum Function [Disabled]
The Set Spread Spectrum function option can help to improve CPU EMI issues.

Disabled DEFAULT
The spread spectrum mode is disabled

Enabled
The spread spectrum mode is enabled