> Date: Fri, 12 Jun 1998 12:54:19 -0400
> From: Herbert Graf <[log in to unmask]>

>         Well a PC needs four voltages, +5 at around 10-12 amps, +12 at 5-7 amps, -5
> at under an amp, and -12 at under around 500ma, (please note, these
> amperages vary greatly, and are just guesses really).

but does this also hold for the screen/monitor?

> For a 12V car battery,
> +5 and +12 are easy, you've already got that, it's the -5 and -12 which is a
> problem.

You may take a second battery and put the ground to the other outlet, to
get the negative potentials.

- Uzi