Got the v1.2.1 Diagroms and installed them. I can run some of the tests now that I couldn't before. Posted a video on YouTube, see link below.
https://youtu.be/r9p2CtPoVgU
It would do lots of weird things, not always consistent. I would get a yellow screen even with the daughterboard in place, sometimes black screen.tlgrooms wrote: ↑Tue Aug 25, 2020 9:49 amDalek, what would your machine do when you had this problem? Mine just comes up with a black screen and alternates between 2 different shades of black and will go no further in the startup process.
Also, will any 74F245PC chip work? Do the other numbers on the chip need to match? Mine for instance show MP9112. Some of those offered on ebay show P9024Y.