Ken Shirriff's blog
Computer history, restoring vintage computers, IC reverse engineering, and whatever
Showing posts with label
ibm1401
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Showing posts with label
ibm1401
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A database of SMS cards: The technology inside IBM's 1960s mainframes
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IBM's mainframes of the 1960s are based on an interesting technology - Standard Modular System cards or SMS cards. These cards, created...
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