How do I use a PSU without a mobo?

By YingYang
Jan 3, 2005
  1. I have an old PSU that I want to see if it works. I don't want to take apart any other computers or have to use a mobo. Is there anyway to fool it into thinking that it has a load on it so it can work? I don't mind making simple circuits or soldering, but I don't want to spend more than a few bucks to do this.
  2. Nodsu

    Nodsu TS Rookie Posts: 5,837   +6

    If it is an AT PSU then it has a switch on it or a thick cord running to a switch.
    If it is an ATX PSU then the power on wire is the green one. Short it with any of the black ones and the PSU should work.
    This holds true only if you have a standard PSU!
    If it's from a Dell or IBM or HP or any other big OEM then the pinout may be completely different. Try to find some schematic or other info for those.
  3. patio

    patio TS Maniac Posts: 482

    Antec makes a PS tester. Just google for a list of vendors...

    patio. :cool:
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