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1227Re: [midatlanticretro] Which version is it, Altair 680 or 680b ?

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  • Dan
    Sep 5, 2005
      There was somebody on the Altair Computer Club yahoo newsgroup that
      recently posted some links with pics for the internals of 680. I can see
      now how they added the expansion boards inside this little box.


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      billdeg@... wrote:

      > Dan,
      > I should say that I could be totally wrong...I don't have a 680, but I
      > have
      > seen in a couple here and there. I actually read about the B when
      > reading up
      > on my SWTPc 6800. I can't remember exactly where. Definately the IC
      > L was
      > made with a blank on the "B" unless you added the optional serial ROM
      > for the
      > slot. I don't know if the non-B 680 would have the slot or not, but I
      > would
      > focus on that part of the card, try to find a schematic that compares
      > the two to
      > get your answer about the rev of your particulat 680.
      > Bill D

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