ken schneider gyaccrka9bouttymenet per jessen pecked keyboard wrote patrick shanahan wrote per jessen 021208 1513 mid 1908s electronics 1908 worked electronics short switchmode supply could achieve 80 efficiency without major design effort geeee think time thought younger ken schneider suse since version 52 june 1998 tue 05 aug 2008 195347 0500 opensuse power supply psu efficiency