This blog about Computer History

Friday, January 28, 2011

IBM 353


The IBM 353 used on the IBM 7030, was similar to the IBM 1301, but with a faster transfer rate. It had a capacity of 2,097,152 (221) 64-bit words (two 32 data bit half words each with 7 ECC bits) and transferred 125,000 words per second. Unlike the flying heads of the 1301, the 353 used the older head design of the IBM 350 RAMAC.

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