The IBM 1301 Disk Storage Unit

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The IBM 1301 Disk Storage Unit (DSU) containing two storage modules, 1961. Module capacity in the 7000 series computer context was 28 million characters and in the 1410 context, 25 million characters [4].

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An IBM 1316 disk pack, 1962. Weight: about 10 pounds. Storage capacity: 2MB [4].


Frank da Cruz / fdc@columbia.edu / Columbia University Computing History / Jan 2001