Ken Shirriff's blog
Computer history, restoring vintage computers, IC reverse engineering, and whatever
Showing posts with label
alto
.
Show all posts
Showing posts with label
alto
.
Show all posts
Restoring YC's Xerox Alto: how our boot disk was trashed with random data
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In the previous Xerox Alto restoration session , we got the disk working, but the system didn't boot. After much investigation, I dis...
9 comments:
Restoring YCombinator's Xerox Alto day 6: Fixed a chip, data read from disk
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In today's Xerox Alto restoration session we investigated why the disk drive isn't working and found a failed chip. With this chip...
9 comments:
Restoring YCombinator's Xerox Alto day 5: Microcode tracing with a logic analyzer
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In today's Xerox Alto restoration session we investigated why the system doesn't boot. We find a broken wire, hook up a logic analyz...
6 comments:
Restoring Y Combinator's Xerox Alto, day 4: What's running on the system
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This post describes our continuing efforts to restore a Xerox Alto. We checked that the low-level microcode tasks are running correctly a...
5 comments:
Restoring Y Combinator's Xerox Alto, day 3: Inside the disk drive
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I'm helping restore a Xerox Alto — a legendary minicomputer from 1973 that helped set the direction for personal computing. This post ...
8 comments:
Restoring Y Combinator's Xerox Alto, day 2: Repairing the display
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This post describes how we repaired the monitor from a Xerox Alto. The Alto was a revolutionary computer, designed in 1973 at Xerox PARC ...
10 comments:
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