Hi David Apologies for exhuming this thread, but how did this turn out? I'm waiting on IC's to ship from the eBay seller in China and am trying to get as many other things squared away as possible. An

#COMX35

Congratulations to you, Brett! I’ll be sure to check out your video. :-) Thank you for making videos about this machine. Derek Christenson B.S. Computer Science (May 2020) Arizona State University

#COMX35

I am not that familiar with the design but looking at what you are getting I would suspect the CDP1869. Of the video chip pair, that is the one that generates the addressing and that seems to be what

#COMX35

Thanks, works now

#COMX35

Hi, I've made a few YouTube videos taking my COMX-35 from a starting "it works" state, modernising and "improving" some parts to finally loading some software. Four parts so far, part 1 is here: https

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Hi Brett, Did you try burning the comx35.bin file and trying that EPROM? If that doesn't work, I'm sure the problem is not in the ROM content but as you suspect the activity level. Someone did manage

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