I picked up a Commodore 64 a while ago that had this special board
inside. It was inserted between the keyboard and the motherboard. IE.
it had a connector that plugged into the keyboard rolex connector on the
motherboard and then the keyboard ribbon cable plugged into it. Then it
had a 9-pin male D-type connector than came out the back of the C64. My
guess is that it was for a numeric keypad or something. I forgot what
was stamped on the circuit board. Any ideas?
Sam
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Computer Historian, Programmer, Musician, Philosopher, Athlete, Writer, Jackass