Instruction Manual

PICOe-PV-D4251/N4551/D5251 User Manual
Page 89
 Restore on AC Power Loss [Power Off]
Use the Restore on 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 DEFAULT
The system turns on

Last State
The system returns to its previous state. If it was on, it
turns itself on. If it was off, it remains off.
 HD Audio Controller [Enabled]
Use the HD Audio Controller option to enable or disable the High Definition Audio
controller.

Enabled DEFAULT
The onboard High Definition Audio controller
automatically detected and enabled

Disabled
The onboard High Definition Audio controller is disabled
 USB Function [Enabled]
Use the USB Function BIOS option to enable or disable USB function support.

Disabled
USB function support disabled

Enabled DEFAULT
USB function support enabled
 USB 2.0 (EHCI) Support [Enabled]
Use the USB 2.0 (EHCI) Support BIOS option to enable or disable USB 2.0 support.

Enabled DEFAULT
USB 2.0 (EHCI) support enabled

Disabled
USB 2.0 (EHCI) support disabled
 Set Spread Spectrum Function [Disabled]
The Set Spread Spectrum Function option can help to improve CPU EMI issues.