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Teardowns

Teardown Tuesday & other teardowns

EEVblog #1341 – AMAZING $250,000 IBM Processor TEARDOWN!

Teardown of a $250,000 1991 vintage IBM 9121 TCM Processor module from a System/390 ES9000 Enterprise Server mainframe computer,. Amazing state of the art 63 layer ceramic hybrid module construction with 2772 pins! And Dave demonstrates an amazing BGA desoldering technique that can only be done on these ceramic hybrid …

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EEVblog #1334 – Mystery Dumpster Teardown

Mystery dumpster teardown time! With the most amazing mechanical mains power switch you’ll ever see! 00:00 – Playing Around 10:00 – Teardown 14:00 – OMG that power switch! 20:40 – PCB Lesson for noobs Forum: https://www.eevblog.com/forum/blog/eevblog-1334-mystery-dumpster-teardown/ Podcast: Download

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EEVblog #1332 – Facit Mechanical Calculator!

Teardown (partial) of a Facit C1-13 13 digit mechanical calculator from 1967. John Wolff’s mechanical calculator website: http://www.johnwolff.id.au/calculators/Tech/FacitC1-13/C113.htm Forum: https://www.eevblog.com/forum/blog/eevblog-1332-facit-mechanical-calculator/

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