Ken Shirriff's blog
Computer history, restoring vintage computers, IC reverse engineering, and whatever
Showing posts with label
analog
.
Show all posts
Showing posts with label
analog
.
Show all posts
IBM paperweight teardown: Reverse-engineering 1970s memory chips
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I recently received a vintage IBM paperweight from the early 1970s that showcases some memory chips. 1 When IBM started using integrated ...
8 comments:
Reverse-engineering the clock chip in the first MOS calculator
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In 1969, Sharp introduced the first calculator built from high-density MOS chips, the QT-8D , followed by the handheld Sharp EL-8, the worl...
1 comment:
How the bootstrap load made the historic Intel 8008 processor possible
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Near the end of 1972, Intel introduced their first 8-bit microprocessor, the 8008. Decades later, this processor still influences computi...
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