Rev 0 used a small (too small;-) transformer and suffered. The later PS used a larger transformer, but the layout had to be swapped to clear the card cage.
Joe > On Nov 11, 2015, at 2:48 PM, Tom Moss <[email protected]> wrote: > > 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 <[email protected]> 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 <[email protected]> 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 >>
