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

Name: EEVblog #1341 - AMAZING $250,000 IBM Processor TEARDOWN!
Description: Dave Jones of EEVblog tears down a 1991 IBM 9121 thermal conduction module from a System/390 mainframe, a 63-layer ceramic hybrid module with 2772 pins worth about $250,000, and demonstrates a BGA desoldering technique.

EEVblog

Dave Jones of EEVblog tears down a 1991 IBM 9121 thermal conduction module from a System/390 mainframe, a 63-layer ceramic hybrid module with 2772 pins worth about $250,000, and demonstrates a BGA desoldering technique.

Cited in threads on chip packaging and cooling as a vivid look at vintage IBM mainframe module construction.

3 Hacker News mentions · 2021–2022

Topics

Repair, teardowns & right to repair
History of computing
Computer architecture & CPUs

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