With one machine down and with what, I think, is the diagnosis of the final issue with the second one, it is time for the home stretch. Read more

I last left the motherboard with one more repair to make. In the background, some new parts have been 3D printing, whilst others have been cleaned and retrobrighted. Let’s continue! Read more

We are on part 6 of what I originally hoped would be a 3 part series. There has been some progress since last time on several fronts. As well as some setbacks. Let’s get into it. Read more

In part 4, I had the motherboard for the Amiga 4000 #2 mostly working. But it required a new buffer chip for the Fast RAM. That chip arrived, so let’s continue… Read more

The Amiga 4000 #2 motherboard has been repaired enough to almost boot correctly, but there is still a problem. There appears to be a stuck bit on the custom chips bus. Let’s continue with the diagnosis. Read more