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This is an old revision of this page, as edited by Davidlharlan (talk | contribs) at 17:16, 23 October 2012 (Reply and concurrence.). The present address (URL) is a permanent link to this revision, which may differ significantly from the current revision.

I removed the 700/7000 line from this table. Charles Webb, a System z processor engineer and IBM Fellow wrote this: "I would be inclined to drop the 700/7000 line as well. This was a predecessor to S/360 and contributed a lot of genetic material, but I think of the real "mainframe" era as starting with S/360 and the common ISA across multiple computer models."

I don't see any basis for this. IBM was the dominant force in computing in the 1950s and 60s based on the 700/7000 series. They certainly were the mainframes of that era and were the basis for everything from the SABRE airlines reservation system to the NASA Gemini program. IBM's history page considers them mainframes, see: http://www-03.ibm.com/ibm/history/exhibits/mainframe/mainframe_intro.html--agr (talk) 17:00, 23 October 2012 (UTC)[reply]
Fair enough. The thought wasn't about the importance of the 700/7000 but about the definition of the mainframe category itself. I have no problem with your interpretation if you feel strongly about it. Davidlharlan (talk) 17:16, 23 October 2012 (UTC)[reply]
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