If using an ATX PSU for purposes besides powering an ATX motherboard, power can be absolutely turned on (it is always partly on to work "wake-up" devices) by shorting the "power-on" pin about the ATX connector (pin 16, green wire) to the black wire (floor), and that is exactly https://beaugfecz.blog5.net/48072280/details-fiction-and-mounting-bracket-for-power-supply