BL> A UPS that was designed to dissapate X watts for Y minutes
BL> may let the smoke out if it now has to run for Y + ? min.
I would really hope not.
BL> There are 12v input computer power supplies availiable for
BL> ~$150.
I have never seen these available commercially. Can you suggest a source?
BL> I have also assembled a 12v supply from maxim parts and a
BL> switching demo board that I used with a 486DLC board and HD.
This sounds like a useful project to write up, maybe for QST.
-- Mike