Plug compatible: Difference between revisions

{{Refimprove|date=June 2016}}
 
"""'''Plug compatible''' refers to "hardware that is designed to perform exactly like another vendor's product."<ref>{{cite web
|url=https://www.pcmag.com/encyclopedia/term/49393/plug-compatible |title=plug-compatible |publisher=[[Ziff Davis]]}}</ref>
 
The term PCM was originally applied to manufacturers who made replacements for [[IBM]] peripherals.
 
The first example of plug compatible IBM subsystems were tape drives and controls offered by [[Telex Communications|Telex]] beginning 1965.<ref name="Pugh">{{cite book | author=Pugh | title=IBM's 360 and Early 370 Systems | page=233 | date=1991 | display-authors=etal}}</ref> [[Memorex]] in 1968 was first to enter the IBM plug-compatible disk followed shortly thereafter by a number of suppliers such as CDC, Itel, etc. Ultimately plug-compatible products were offered for most peripherals and system main memory.<ref>"Historical Narrative Statement of Richard B. Mancke, Franklin M. Fisher and James W. McKie," Exhibit 14971, US vs. IBM, Section 50, p. 750-796, July 1980</ref>
[[Control Data Corporation|CDC]],<ref>"Expected to produce $1 billion in revenues during fiscal 1980, CDC's peripherals business, advancing at 33% annually, is the fastest growing revenue producer within the company's diverse product line." {{cite newspaper |newspaper=Computerworld |date=August 18, 1980 |page=7 |url=https://books.google.com/books?id=vpGNJfMmFswC}}</ref> Itel, etc.
 
There were a wide variety of companies providing disk subsystems, including [[Memorex]] and [[Storage Technology Corporation]].
 
Ultimately plug-compatible products were offered for most peripherals and system main memory.<ref>"Historical Narrative Statement of Richard B. Mancke, Franklin M. Fisher and James W. McKie," Exhibit 14971, US vs. IBM, Section 50, p. 750-796, July 1980</ref>
 
==PCM and Computer systems==