But what is VERY weird on this machine is that you can HEAR the IEC bus. It only happens on disk transfers. I really want to figure out why this happens.
#commodore #c16 #retrocomputing #plus4
Edited 58d ago
@root42 Bad bypass caps causing noise to backfeed into the data lines? Which is somehow coupling through the CIAs into the audio jack? I’d have to look at the schematic to have a better theory.