Ken Shirriff's blog

Computer history, restoring vintage computers, IC reverse engineering, and whatever

Showing posts with label power supply. Show all posts
Showing posts with label power supply. Show all posts

Fixing the core memory in a vintage IBM 1401 mainframe

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I recently had the chance to help fix one of the vintage IBM 1401 computer systems at the Computer History Museum when its core memory sta...
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Reverse-engineering the TL431: the most common chip you've never heard of

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This article is now available in Russian: Реверс-инжиниринг TL431, крайне распространенной микросхемы, о которой вы и не слышали . A die p...
18 comments:

iPad charger teardown: inside Apple's charger and a risky phony

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This article is now available in Turkish iPad şarjının iç yapısı and Chinese [中文翻译版本] Apple iPad原装充电器拆解 . Apple sells their iPad charger...
81 comments:
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