ROM, Software version on HP 12C

[AnnoyedOne]

(10-10-2024 07:44 AM)goncal Wrote:  ...but don't really have the time to build the serial cable myself. I'd gladly buy one if it was available.

To my knowledge the HP-15C LE et al programming cable was never for sale. HP gave a few away to some members here while others made their own. You could try post a buy request in the Classifieds forum.

Even now some make their own.

https://www.hpmuseum.org/forum/thread-22...#pid192366

A1