Automatic power switch for ATX power supplies

Automatic power switch for ATX power supplies
If you have a computer, for example, wants to operate for a long time like a server,  when using a standard ATX power supply the  problem exist  after a power failure that the computer is'nt automaticaly turn on. A few motherboards can do those  function, just to set using the BIOS Setup, and the other way is to make the automatic power switch. An ATX power supply is normally controlled by the motherboard.  ATX power supply provides a  5