IBM System/360 Model 40: Difference between revisions

Revision as of 13:10, 11 November 2018

Revision as of 20:29, 2 December 2018

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==Other==

Although the cover of IBM's MVT Guide<ref>{{cite book|url=http://www.bitsavers.org/pdf/ibm/360/os/R21.7_Apr73/GC28-6720-5_MVT_Guide_Rel_21.7_Aug74.pdf|title=IBM System/360 Operating System: MVT Guide OS Release 21.7|date=August 1974|publisher=IBM|id=GC28-6720-5}}</ref> indicates that even a 360/40 could run MVT,

the IBM [[operating system]] used was usually the realistically sized [[DOS/360]],{{Citation needed|date=September 2017}} because all but one model of the 360/40 had less than MVT's minimum memory requirements of 256KB.<ref>{{cite book|url=http://www.bitsavers.org/pdf/ibm/360/mvtos/R21.7_Apr73/GC28-6551-16_OS_Storage_Estimates_Apr7316_Storage_Estimates_R21.7_Apr73.pdf|title=IBM System/360 Operating System: Storage Estimates OS Release 21.7|date=April 1973|publisher=IBM|id=GC28-6551-16}}</ref><ref>{{cite web|author=Ray Saunders |url=http://www.os390-mvs.freesurf.fr/mvs360.htm |title=MVS... And Before OS/360 ? |archive-url=https://web.archive.org/web/20071220191855/http://www.os390-mvs.freesurf.fr/mvs360.htm |archive-date=2007-12-20}}</ref>

The IBM System/360 Model 40 was developed at [[IBM Hursley]]<ref>{{cite journal|url=http://www.cs.man.ac.uk/CCS/res/res23.htm|title=Editorial|author=Nicholas Enticknap|journal=Resurrection: The Bulletin of the Computer Conservation Society|issue=23|quote=Mike Flinders, who also worked at Hursley where the 360/40 was designed}}</ref> and manufactured at IBM's facilities in: Poughkeepsie, U.S., [[Mainz]], Germany; and [[Fujisawa, Kanagawa|Fujisawa]], Japan.<ref>{{cite web|url=https://www-03.ibm.com/ibm/history/exhibits/vintage/vintage_4506VV8001.html|title=Fujisawa plant|website=IBM Archives}}</ref>