Teardown of a PC Power Supply
I'm glad to see Ken's blog on HN. He does incredible stuff with reverse-engineering old proprietary chips, e.g. the HP nanoprocessor which he reverse-engineered from masks then wrote a disassembler for.https://en.wikipedia.org/wiki/Hewlett-Packard_Nanoprocessor
http://www.righto.com/2020/09/hp-nanoprocessor-part-ii-rever...