2. The feature of Power on after power failure is as follow:
A. ON - When power on, the board will boot up automatically, which is the simulation of the AT power support.
B. OFF - When power on, the power button still need to push on to bring the board to boot up, which is the ATX power support.
c. Former status - When power failure happened, and after the power resumed, the board will either boot or not based on the power state before power failure.