Kevin O'Hara on Twitter: "An old IBM S/390 mainframe processor my dad was given during his IBM days. It's about 12”x12” and 20lbs. https://t.co/4K8dpFzbw8" / Twitter
IBM Z15 Mainframe Processor Design - ServeTheHome
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IBM Z15 Mainframe Processor Design - ServeTheHome
An pre-Y2K Hitachi Skyline water cooled mainframe processor, gold pins and all. They charged us several 100ks for it but when IBM came to remove it ( so they could install their