Upgrades, Problems, Parts

It’s been an exciting few weeks. Archimedes The Archimedes continues to confound me. I finally got a replacement 1772, plugged it in and… No change! At this point I have swapped out all the chips that feed the floppy disk. If you look at the schematics, I have socketed and tested IC29, IC30, IC38, ICContinue reading “Upgrades, Problems, Parts”

While I wait for orders to arrive

I’ve got various bits’n’pieces on their way from China, so I haven’t been quite as busy as I could have been. Not a lot of upgrades / repairs are in the pipeline anyway so I haven’t needed to fix stuff. Having said that, my SE/30 needs to be broken down and the Digital board needsContinue reading “While I wait for orders to arrive”

We’re gonna need a bigger boat

So after the teaser last week, I was really happy when a donor who wishes to remain anonymous (Thank you! You know who you are.) sent me across another system for my collection. This one is a real doozy! This is a Commodore PET model 4032. The evolution of the very first “real” computer producedContinue reading “We’re gonna need a bigger boat”