Hardware Repairs / 2013-03-27 03:19:12

  • There are two black ground cables beside it, find one of them (no matter which one);
  • Connect the green and black wires using a paper-clip, then isolate it using electric tape;
  • Plug and switch on the ATX PSU (when on, its fan should turn, even if briefly);
  • Open the Amiga PSU and unsolder from the PSU the cable connecting to the Amiga;
  • Connect the unsoldered end of the Amiga cable to the 20-pin block from the ATX PSU as explained here or here or as follows:

    •  

    Mapping between Amiga PSU and ATX PSU wire colours
    Amiga PSU ATX PSU Voltages
    Red
    		 Red +5V
    Black Black 0V (Ground)
    Brown Yellow +12V
    White Blue -12V
    Yellow (Shield) Unconnected

     

    1. Check carefully—twice!—the voltages between each pin of the Amiga connector, using a voltmeter. BEWARE of shortcuts!

     

     Pins and voltages of the Amiga power-plug

     

    1. Voilą ! You can now use your Amiga with a modern, standard—and powerful!—ATX PSU