Ken Shirriff's blog

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

Fixing the Ethernet board from a vintage Xerox Alto

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A Xerox Alto system on the East coast had Ethernet problems, so the owner sent me the Ethernet board to diagnose. (After restoring our Alto,...
5 comments:

Identifying the "Early IBM Computer" in a Twitter photo: a 405 Accounting Machine

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The photo below of a "woman wiring an early IBM computer" has appeared on Twitter a bunch of times , and it stoked my curiosity:...
17 comments:

Steve Jobs, the Xerox Alto, and computer typography

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Steve Jobs gave an inspirational commencement address at Stanford in 2005. He described how his decision to drop out of college unexpectedl...
8 comments:

The Xerox Alto, Smalltalk, and rewriting a running GUI

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Be sure to read the comment from Alan Kay at the bottom of the article! We succeeded in running the Smalltalk-76 language on our vintag...
16 comments:

Inside the vintage Xerox Alto's display, a tiny lightbulb keeps it working

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In this Alto restoration episode, we repaired a second CRT display, exercising our TV repair skills and discovering a tiny mysterious lightb...
12 comments:
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