IBM System/370 Model 155

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IBM System/370 Model 155
IBM System/370 Model 155
ManufacturerInternational Business Machines Corporation (IBM)
Product familySystem/370
Release dateJune 30, 1970 (1970-06-30)
DiscontinuedDecember 23, 1977
WebsiteOfficial website IBM Archives

The IBM System/370 Model 155 (and the Model 165) were jointly announced Jun 30, 1970 as "designed for ... the Seventies." That same day IBM announced the 370/195. They were the first three models of the IBM System/370 line of computers.

Since none of them came with virtual memory, "which was to be a hallmark of the 370 line", some said about these early members of the IBM System/370 family, especially about the 155 and 165, that they were not "the real 370 line."

Three months later a fourth IBM System/370, the Model 145, was announced.

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