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Guy Harris (talk | contribs) →PR/SM: Any particular reason why anybody would confuse the software product Virtual Machine Facility/370 with the "licensed internal code", or whatever IBM calls it, PR/SM? |
Guy Harris (talk | contribs) →PR/SM: That might have been taken from the initial paragraph of a page titled "PR/SM", but that's not what it is now. |
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==PR/SM==
Formally, LPAR designates the mode of operation or an individual logical partition, whereas PR/SM is the commercial designation of the feature.<ref name="Singh"/>{{rp|83}}
[[IBM]] introduced PR/SM in 1988 with the [[IBM 3090]] processors.<ref>{{cite web|url=http://www.redbooks.ibm.com/redpapers/pdfs/redp5157.pdf|title=IBM Z Functional Matrix|author1=Frank Packheiser|author2=Octavian Lascu|author3=Bill White|page=18|publisher=[[IBM]]|date=2018}}</ref>
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