Bill S (and anyone interested in the IMSAI 8080),
When I got home I did some careful review of the the system. I think I may
have figured out what is wrong with the IMSAI...The cable from the processor
card to the front panel is chewed up. That would explain the inconsistent
If I remove the processor card entirely I get just a short line of 00000's.
When I insert the processor card but disconnect the processor cable entirely
I get the 909090 pattern.
If I re-connect the cable sometimes the "omega" characters appear sometimes
I was unable to get to the correct " > " prompt since InfoAge, but for a few
happy moments we did see it on Saturday, which tells me that we're close..I
plan to order a new cable from Fischer Freitas
and I will keep you posted. I hope I don't have to replace the entire
Thank you again for your help! I had a lot of fun and I learned a lot.
If anyone wants to see some pictures of the system I took this past January
before I did anything to it. If you look really closely at the picture of the
front view you can see a little black dot on the processor to front panel
cable. This is one of the places that the cable is cut/freyed.