Ken Shirriff's blog
Computer history, restoring vintage computers, IC reverse engineering, and whatever
Reverse-engineering the Yamaha DX7 synthesizer's sound chip from die photos
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The Yamaha DX7 digital synthesizer was released in 1983 and became "one of the most important advances in the history of modern popul...
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Reverse-engineering an unusual IBM modem board from 1965
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The vintage IBM circuit board below has a large metal block on it that caught my attention, so I investigated it in detail. It turns out t...
10 comments:
Reverse-engineering a vintage power supply chip from die photos
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I recently did a PC power supply teardown so I figured it would be interesting to go deeper and see what happens inside the power supply...
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