On Wed, Jan 09, 2002 at 04:13:29PM -0500, dave vanhorn wrote: > > > >keeling over dead when the 40V spikes hit as the power windows and door > >locks are used. > > Try 400V. > > > >If you need to get SOME PC to work in a car, then examine PC's. These days > >most of them don't use much +12. > > PC-104 stuff is much more likely to be adaptable this way, than desktop PC. > Older laptops might be a good way in. Most need only a relatively simple > switching converter to accept vehicle power, and they are already designed > to be tolerant of power loss on the main power input. Mostly, it will > depend on what you are trying to get done. The objective is to drive an ordinary AT motherboard, standard 3.5 in disk and a 100 MB ZIP drive. Standard, if not dated, desktop PC equipment. BAJ -- http://www.piclist.com hint: The PICList is archived three different ways. See http://www.piclist.com/#archives for details.