ADLINK ReadyBoard 740 - Manual (Page 61)

BIOS Setup 49
RB-740
Restore on AC Power Loss
Determines which state the computer enters when AC power is
restored after a power loss. The options for this value are Last
State, Power On and Power Off.
X Power Off: Set this value to always power off the system
while AC power is restored.
X Power On: Set this value to always power on the system
while AC power is restored.
X Last State: Set this value to power off/on the system
depending on the last system power state while AC power
is restored (default).