See <http://forums.macosxhints.com/archive/index.php/t-62192.html> <http://www.electronicskb.com/Uwe/Forum.aspx/repair/16469/PowerMac-G4-Quicksilver-Power-Supply > <http://www.apple.com/support/powermac/g4/> <http://www.applefritter.com/node/23524> Paul Moortgat