Ken Shirriff's blog
Computer history, restoring vintage computers, IC reverse engineering, and whatever
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:
Lacking safety features, cheap MacBook chargers create big sparks
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You might wonder if it's worth spending $79 for a genuine MacBook charger when you can get a charger on eBay for under $15. You should...
4 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:
PRU tips: Understanding the BeagleBone's built-in microcontrollers
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The BeagleBone Black is an inexpensive, credit-card sized computer that has two built-in microcontrollers called PRUs. While the PRUs provi...
6 comments:
The BeagleBone's I/O pins: inside the software stack that makes them work
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The BeagleBone is a inexpensive, credit-card sized computer with many I/O pins. These pins can be easily controlled from software, but it ca...
12 comments:
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