80 Series Newbie

[cruff]

(07-21-2015 08:25 AM)Martin Hepperle Wrote:  are you aware of the PRM-85 project?

I acquired a PRM-85 a while back, it works great. I reprogrammed the EPROM on mine from the original 85A version to work with the 85B I later acquired. If anyone is going to make a similar board, you might consider placing a switch that would be easily accessible when the board is mounted in a module case, such that the service ROM could be quickly enabled and disabled without having to open the case.