IBM System/370 Model 155
The IBM System/370 Model 155 (and the Model 165),- IBM System/370 Model 155
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The IBM System/370 Model 165 (and the Model 155 )
Model range of IBM mainframe computers announced on June 30, 1970 as the successors to the System/360 family.
The first System/370 machines, the Model 155 and the Model 165, incorporated only a small number of changes to the System/360 architecture.
The IBM System/370 Model 145 was announced September 23, 1970, three months after the 155 and 165 models.
Announced March 8, 1971,
Unlike the 155 & 165, which required an expensive
Type of non-volatile memory used in computers and other electronic devices.
IBM used capacitor read-only storage (CROS) and transformer read-only storage (TROS) to store microcode for the smaller System/360 models, the 360/85, and the initial two System/370 models (370/155 and 370/165).
Partial list of products, services, and subsidiaries of International Business Machines Corporation and its predecessor corporations, beginning in the 1890s.
IBM 3155: System/370 Model 155 Central Processing Unit; mid range; without virtual memory [DAT] unless upgraded to 155-II
Corporation that sells data analytics products and various databases that are accessed through online portals, including portals for computer-assisted legal research , newspaper search, and consumer information.
By 1974, LEXIS was running on an IBM 370/155 computer in Ohio supported by a set of IBM 3330 disk storage units which could store up to about 4 billion characters.