Ken Shirriff's blog
Computer history, restoring vintage computers, IC reverse engineering, and whatever
Reverse engineering the 386 processor's prefetch queue circuitry
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In 1985, Intel introduced the groundbreaking 386 processor, the first 32-bit processor in the x86 architecture. To improve performance, the ...
The absurdly complicated circuitry for the 386 processor's registers
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The groundbreaking Intel 386 processor (1985) was the first 32-bit processor in the x86 architecture. Like most processors, the 386 contains...
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A tricky Commodore PET repair: tracking down 6 1/2 bad chips
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mult3 In 1977, Commodore released the PET computer, a quirky home computer that combined the processor, a tiny keyboard, a cassette drive ...
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