Contec Single Board Computer Half-size PICMG 1.3 with LAN, Audio, SATA SEH-9450-LAS User Manual page 76

8. BIOS Setup
Description Choice
Suspend Mode
The CPU clock will be stopped and the video signal will be
suspended if no Power Management events occur for a
specified length of time. Full power function will return
when a Power Management event is detected.
HDD Power Down
When enabled and after the set time of system inactivity,
the hard disk drive will be powered down while all other
devices remain active.
Soft-Off by PWR-BTTN
When enabled, turning the system off with the on/off button
places the system is a very low-power-usage state, with only
enough circuitry receiving power to detect power button
activity or Resume by Ring activity.
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SEH-9450-LAS