I would throw Command Line Heroes into the ring. Although it does touch on some more modern topics at times, their deep dive computer and tech history is some of the best I’ve listened to!
Sorry to stir up an old thread. I've also got a JE664 programmer with JE665 RS-232C interface, but I only have one jumper module:
JM64B (INTEL, 21V, PRGM 64 SEC @ 2 MS)
Were you able to trace out your jumper modules? I'd be willing to trace out the one I have. It would be great to create...
I read somewhere that the 8620 uses a parallel interface (as apposed to another version of an Orion product that uses a serial interface), and if there is a dedicated interface card as you say, are you sure it’s not just a generic ISA parallel card?
As for software, I haven’t found any yet. Do...
I recently acquired one in a lot from an auction. I see the reference manual and some brochures on bitsavers, but nothing in terms of software.
I don’t have the PC interface card. Do you know if the interface card is pretty simple? Or instead it contains a bunch of custom ICs?