IBM Communications Line Adapter CLA prototype board vintage computer mainframe For Sale

IBM Communications Line Adapter CLA prototype board vintage computer mainframe


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IBM Communications Line Adapter CLA prototype board vintage computer mainframe:
$50

IBM Communications Line Adapter CLA prototype board vintage computer mainframe
Here is what appears to be IBM hardware in design, perhaps a prototype with partially hand wired board. Several chips are missing, although the extensive documentation for the CLA and other chips on board seem to specify which other chips are needed. The board has a Z80 on it. It seems to have been developed by Western Digital. I didn’t know IBM outsourced projects. Paperwork includes lengthy design documents and schematics. This board is sold untested and totally as-is, no returns please.
_gsrx_vers_856 (GS 7.0.20 (856))


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