you could with the old at powersupplies. power button included. We used to hook up cd roms and put speakers to the earphone jacks and have a cheap cd player. But yes as EK said you would need something to jump it from. If you plug it into a mobo you can jump it from the pins where the power switch goes. Im also curious as to what your plans are for it.
i am no lazier now than I was forty years ago, but that is because I reached the limit forty years ago. You can\'t go beyond possibility.
- Mark Twain