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IBM 5022 disk module

Léon Bollée's Arithmographe

IBM 5022 disk module

The IBM 5022, which debuted on July 14, 1971, greatly expanded the data storage capacity of the rugged IBM System/7. As shown, the disk module was housed within a System/7. It contained either one fixed disk or a fixed disk and a removable disk cartridge on a single drive. The unit was offered with capacities of 1.23 million or 2.46 million 16-bit words.