Unusual Altair 8800 power supply. Upgrade kit, factory error, or something else?

[Tom Moss]

I don't quite understand how the transformer would get in the way? Was the
rev 0 card cage mounted further back than later revisions? With mine,
there's nothing stopping me mounting it the "right" way around, but I've
got an aftermarket backplane.

Tom

On 11 November 2015 at 19:36, Joseph Lang <joe.lang.0000 at gmail.com> wrote:

> It not the rev 0 back panel for sure. I don't think it was a mistake
> either. If they used the same layout as rev 0 the transformer would
> interfere with  the card cage.
>
> Joe
>
> > On Nov 11, 2015, at 2:14 PM, Tom Moss <tomjmoss at googlemail.com> wrote:
> >
> > Hi All,
> >
> > I have what appears to be an Altair 8800 with the original Rev 0 front
> > panel, but the rear panel and PSU is a back-to-front version of what's
> > standard on the 8800b.
> >
> > Pictures at http://imgur.com/a/2EVRS
> >
> > I'm guessing this is a factory error, since the bare patch for the bridge
> > rectifier and case holes are inverted too. But I'm aware of an upgrade
> kit
> > (8800b-PS) that was offered to 8800 owners. So I'm guessing that's where
> > the PSU and panel came from.
> >
> > Can anyone shed some light on this? Are there others like it?
> >
> > Regards,
> > -Tom
>