A schematic showing a 20 pin DIP inside a 28 pin DIP footprint with various traces run to connect the pins together.

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1. paulrickards (paulrickards@mastodon.social)'s status on Monday, 23-Oct-2023 10:38:53 JST paulrickards

   in reply to

   I created this adapter board for a 27C512 EPROM to work in place of a MMI 6309 PROM. I'll think about this some more and maybe order some boards to try it. $5.50 for three at OSH Park, not bad.

   #RetroComputing