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Internal power / disable switch for the Axiom Parallax printer interface

The Axiom Parallax sidecar Centronics printer interface has only nine chips inside, and they’re all small LS TTL glue. The console +5VDC supply should be able to handle the additional (minimal) current draw, especially if the console has an F18A and the now-useless 4116s were removed. One less wall wart to get in the way, […]