Hi Rod,I'm sure you are aware about, ... the /94 have a MDM card/module, where you can set the NPG jumper via switches. Is this set correct for all the slots, no mismatch in counting the small switches?
Have you checked the flat ribbon cable - I had much fun with damaged cables? Have you tried dy0 and dy1? Is the RX02 set to the correct mode? The known good 8" disk, is a rx02 disk and not a rx01?
Many Greetings Ulrich
