IBM ES/9000 family

IBM ES/9000 family

IBM ES/9000 is the family of IBM mainframes, introduced in 1990 [http://www-03.ibm.com/ibm/history/exhibits/mainframe/mainframe_FS9000.html IBM ES/9000 Characteristics. Retrieved on 17-09-2007.] , as the first implementations of the ESA/390 architecture, and developed to accommodate VSE/ESA, VM/ESA and MVS/ESA operating systems. New hardware features included implementation of ESCON fiber optic channels. ES/9000 family was introduced directly after ESA/370-based models, such as IBM ES/3090, IBM ES/4381, and inherited such hardware features as expanded storage, logical partitioning (LPAR), and optional vector facilities (vector co-processors).

Water-cooled ES/9000 models included ES/9021-900 [http://www-03.ibm.com/servers/eserver/zseries/zvse/about/history1990s.html z/VSE Operating System - History. Retrieved on 17-09-2007.] , -820, -720, -620, -580, -500, -340 and -330. Air-cooled ES/9000 models included standalone ES/9121-480, -440, -320, -260, -210, -190, and rack mounted: ES/9221-170, -150, -130, -120.

See also

* List of related IBM mainframes

References


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