Tristan wrote:
On Mon, 22 Mar 2010 17:33:29 -0700, Michael J. Mahon wrote:FWIW, there are power supply failure modes that will apply a substantial overvoltage to the main board, killing essentially every chip on it. I did this once when "trying out" a power supply whose health was unknown, and the board even "crackled" as it died. ;-( -michaelThat is so sad :( Mine drifted like flotsam voyaging the ocean, Rising and falling.mostly rising. +12v went up to +15v. -5v sort of disappeared and +5v went up.
I expect my +5 went above +10 to make bond wires crackle. ;-( -michael NadaNet and AppleCrate II: parallel computing for Apple II computers! Home page: http://home.comcast.net/~mjmahon "The wastebasket is our most important design tool--and it's seriously underused."