On 2/1/25 09:42, Frank Leonhardt via cctalk wrote: > You could get other interfaces as add-on boards, including RS-232, > Apple, TRS-80 and IEE488. I believe they got a 50% of market share for > printers with this, from a standing start.
I vaguely recall that the MX-80 came with the parallel interface as the default; serial EIA was an option. I rigged something up using a 9V battery and some random logic added to the printer to get serial to work without buying the option. --Chuck
