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IBM System/370
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====System/370 Model 195==== [[File:CHM Artifacts (3300701247).jpg|thumb|Model 195 control panel]] The '''IBM System/370 Model 195''' was announced Jun 30, 1970 and, at that time, it was "IBM's most powerful computing system."<ref name="ibm-archives-3195">{{cite web|url=https://www.ibm.com/ibm/history/exhibits/mainframe/mainframe_PP3195.html|title=System/370 Model 195|website=IBM Archives|date=23 January 2003|publisher=IBM|archive-url=https://web.archive.org/web/20230729090333/https://www.ibm.com/ibm/history/exhibits/mainframe/mainframe_PP3195.html|archive-date=2023-07-29|url-status=dead}}</ref> Its introduction came about 14 months after the announcement of its direct predecessor, the [[IBM System/360 Model 195|360/195]]. Both 195 machines were withdrawn Feb. 9, 1977.<ref>{{cite web|url=https://www.ibm.com/ibm/history/exhibits/mainframe/mainframe_PP2195.html|title=System/360 Model 195|website=IBM Archives|date=23 January 2003|publisher=IBM|archive-url=https://web.archive.org/web/20230729090329/https://www.ibm.com/ibm/history/exhibits/mainframe/mainframe_PP2195.html|archive-date=2023-07-29|url-status=dead}}</ref><ref name="ibm-archives-3195"/>
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