HP21MX boards on Ebay.
mattislind at gmail.com
Mon Apr 20 01:33:10 CDT 2015
Someone (not me) in Germany is selling a number of cards from a HP21MX
machine. Some boards have date codes from 1974 so I guess it is an M-series.
Not sure what cards there are in this lot, but it is for sure the CPU
boards itself, some memory boards and what looks like some serial boards.
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