Ken Shirriff's blog
Computer history, restoring vintage computers, IC reverse engineering, and whatever
A look at IBM S/360 core memory: In the 1960s, 128 kilobytes weighed 610 pounds
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I recently received a vintage core memory array, part of an IBM System/360 mainframe computer. These arrays were used in a 128-kilobyte core...
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Iconic consoles of the IBM System/360 mainframes, 55 years old
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The IBM System/360 was a groundbreaking family of mainframe computers announced on April 7, 1964. Designing the System/360 was an extremely...
44 comments:
Op amp on the Moon: Reverse-engineering a hybrid op amp module
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I recently obtained a mysterious electronic component in a metal can, flatter and slightly larger than a typical integrated circuit. 1 Afte...
16 comments:
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