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  1. K

    TRS-80 Model 1 RS-232

    Or did convention not take the precedent set by Tandy into account??? ;) I do seem to recall getting bit by IDC pin numbering quite often (back in "the day"). I suspect one could dig up examples of just about every possible pin numbering scheme if they were so inclined. Super bummer that this...
  2. K

    TRS-80 Model 1 RS-232

    The CPU board is installed in the keyboard case upside down. So I believe all of the diagrams you referenced are correct (without flipping)... Doesn't mean you don't need to flip the connector on your board, but it sounds like it you do it would have to install on a "real" Model 1 upside down...
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