Original Altair backplane extension?

General discussions related to the Altair 8800 Clone

Original Altair backplane extension?

Postby geneb » May 23rd, 2023, 4:14 pm

I've started going through all of my S-100 stuff, including my Altair. I found a board among the loose S-100 cards that *appears* to be an extension backplane for the Altair 8800, but I'm not sure. Here's pics:
Top: https://i.imgur.com/k4dcimu.jpg
Bottom: https://i.imgur.com/eG9k14r.jpg
Yea or nay?
There's an "M" on it, but I'm not sure if that means it's MITS, or just a cloner.

The 8800 I have only has a four slot backplane in it and I'd likely replace that instead of trying to stitch on this extension.. :)


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Re: Original Altair backplane extension?

Postby AltairClone » May 24th, 2023, 10:07 pm

That is a very interesting board. I don’t recall seeing it as a MITS product. It looks like the logo is an “M” inside a “C” maybe?

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