Teardown of an IBM 9121 TCM Processor from a System/390 ES9000 mainframe [video] (youtube.com) 6 points by 076ae80a-3c97-4 5y ago ↗ HN
[–] 076ae80a-3c97-4 5y ago ↗ I typically enjoy Dave Jones' videos but this one was really neat. Looking at old processors is a fun rabbit-hole to go down on YouTube if that floats your boat.
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