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remove "{{Other uses|IBM SMS}}" - seems to have been from when the article was just "SMS" |
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{{Refimprove|date=May 2010}}
[[File:SMScard.jpg|thumb|A single-width SMS card]]
[[File:IBM SMS Card (8372882397).jpg|thumb|An SMS card with an [[Solid Logic Technology|SLT]] device at far right (the square metal piece)]]
The '''Standard Modular System (SMS)''' is a system of standard [[transistor]]ized circuit boards and mounting racks developed by [[IBM]] in the late 1950s, originally for the [[IBM 7030 Stretch]].<ref>{{cite web|url=http://www.computer-museum.ru/books/archiv/ibm36040.pdf#page=18 |title=The 360 Revolution |last=Boyer |first=Chuck |date=April 2004 |publisher=IBM |page=18 |accessdate=25 November 2013}}</ref> They were used throughout IBM's second-generation computers, peripherals, the [[IBM 700/7000 series|7000 series]], the [[IBM 1400 series|1400 series]], and the [[IBM 1620|1620]]. SMS was superseded by [[Solid Logic Technology]] (SLT) introduced with [[System/360]] in 1964, however they remained in use with legacy systems through the 1970s.
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