@yakkoj @brouhaha Type 3 (Sun 3) and type 4/5 (SPARC) keyboards use the same protocol, only a different connector, so it's easy to solder an adapter.Here are the pinouts of the DB 15 and Mini-DIN 8 connectors:https://web.archive.org/web/20041122213000/http://www.eed.usv.ro/misc/hwb/connector/userinput/keyboardsun.html