G4 Quicksilver Power Supply

Discussion in 'Mac Basics and Help' started by trollking, Sep 23, 2007.

  1. trollking macrumors member


    Sep 21, 2007
    San Antonio, TX
    I need to u;grade my G4 Quicksilver dual 800 mhz Power Supply. Google just gave me places to replace the ower Supply, but ir costs over $200 to get the same lame 344w power supply that is in it. I would rather get something a bit more powerfull. Not to mention looking at other places I could get a 600w for under $50.

    So the question is, is there any problem with doing this and what should I look for or avoid when getting a power supply? Has anybody out there upgraded their power supply?

    Thanks for any input :)
  2. velocityg4 macrumors 601


    Dec 19, 2004
    First off the Quicksilver requires 28V power feeds that an ATX Powersupply does not provide. There is also a difference in the remaining pin out diagram.

    With that said yes it is possible but it will require some soldering and modding to work. You will need an ATX powersupply, a second wall unit that provides approx 28V, a soldering iron and a willingness to possible fry you Mac.

    This site give you the pinout's and some tips.


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