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 <tomjmoss at
googlemail.com> 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 <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
>