P>Ok, I've got an old AT power supply, a Famous model FCC-200W, and I would like to power it without using a motherboard....since I don't have one. Now I know how to power an ATX power supply ...

there is a way to use a computer power supply when you don't have the motherboard installed. All that you need is some wire and a single-pole switch that stays on or off when you flip it or press ...

When a power supply is plugged into the wall (and the switch on the back if present is turned on) is puts out 5v at up to 2 amps on the +5vsb wire. This controls circuitry on the motherboard for ...