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At a time when lower priced<ref name=TaskF.rpt>{{cite newspaper|newspaper=[[Computerworld]]|date=September 5, 1977|page=40|url=https://books.google.com/books?id=nAq5oP06EfEC&pg=PA40&lpg=PA40|title=IBM Feared Competition to 360/30 CPU - IBM Planned to Counter 360/30 Competition|author=Molly Upton|quote=If substantial inroads were made on the 30 base, a model 25 which had full compatibility, not just subset compatibility, with lower performance and lower price "would retain for IBM many installations exposed by price alone rather than by price/performance."}}</ref> alternatives<ref>'''Service Bureaus''': By 1968, there were 32 such service bureaus serving the US [[National Institutes of Health]] (NIH) alone - "Information Technology Corporate Histories Collection". Computer History Museum. http://www.computerhistory.org/corphist/view.php?s=stories&id=136.</ref><ref>'''Prior generation systems''': [[Honeywell 200]], a competitor to IBM's own [[IBM 1401]].</ref> were available, this model provided a stop-gap measure.<ref name=TaskF.rpt/>
Both the Model 25 and the Model 22, which had been marketed as entry level systems,<ref name=Pugh>{{cite book|last1=Pugh|first1=Emerson W.|last2=Johnson|first2=Lyle R.|last3=Palmer|first3=John H.|title=IBM's 360 and Early 370 Systems|url=https://archive.org/details/ibms360early370s0000pugh|url-access=registration|year=1991|publisher=MIT Press|isbn=0-262-16123-0}}</ref> were withdrawn on the same day, October 7, 1977.<ref name="IBMArchivesDates">{{cite web|url=http://www-03.ibm.com/ibm/history/exhibits/mainframe/mainframe_FS360.html |title=System/360 dates and characteristics}}</ref>
==Models==
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