patrick shanahan jyuojehpodgmailcom per jessen 021208 1513 mid 1908s worked electronics short switchmode supply could achieve 80 efficiency without major design effort geeee think time thought younger patrick shanahan plainfield indiana usa hog us1244711 httpwahoonoiporg photo album httpwahoonoiporggallery2 registered linux user 207535 httpcounterliorg tue 05 aug 2008 221702 0500 opensuse power supply psu efficiency