Collaborate Disseminate
What does it take to get a 47-year-old printer working? [Usagi Electric] shows us it’s not too hard, even if you don’t exactly know what you’re doing. When we last …read more Continue reading [Usagi] Whips a Chain Printer Into Shape
While troubleshooting the power supply of a 1970s Centurion system, [Usagi Electrics] came across a fascinating feature of these units: the ferroresonant, or constant voltage transformer (CVT). The main difference …read more Continue reading Learning About Ferroresonant Transformers While Fixing a 1970s Power Supply
One fun aspect of 1970s-era hard disk drives is that they are big, clunky and are fairly easy to repair without the need for a clean room. A less fun …read more Continue reading Trying (and Failing) to Restore a 1970s CDC 10MB Hard Drive
[David Lovett] aka Usagi Electric has spent the last several months dissecting a Centurion minicomputer from 1980. His latest update reveals that the restoration has hit several snags, and bootstrapping …read more Continue reading Minicomputer Restoration Hanging In The Balance