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Interdata
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<h2 id="acquisitions">Acquisitions</h2> <p>In 1973, Interdata was purchased by <a href="/facts/Perkin-Elmer/ghJaeI3Q">Perkin-Elmer Corporation</a>,<a class="footnote-ref" id="fnref:5" href="#fn:5"><sup>5</sup></a> a Connecticut-based producer of scientific instruments for $63.6 million.<a class="footnote-ref" id="fnref:6" href="#fn:6"><sup>6</sup></a> Interdata was already making $19 million in annual sales but this merger made Perkin-Elmer's annual sales rise to over $200 million.<a class="footnote-ref" id="fnref:7" href="#fn:7"><sup>7</sup></a> Interdata then became the basis for Perkin-Elmer's Data Systems Group.<a class="footnote-ref" id="fnref:8" href="#fn:8"><sup>8</sup></a> In 1985, the computing division of Perkin-Elmer was spun off as <a href="/facts/Concurrent_Computer_Corporation/KIkebDDl">Concurrent Computer Corporation</a>.<a class="footnote-ref" id="fnref:9" href="#fn:9"><sup>9</sup></a> </p> <h2 id="list-of-products">List of products</h2> <ul><li>Interdata Model 1 – 1970<a class="footnote-ref" id="fnref:10" href="#fn:10"><sup>10</sup></a></li> <li>Interdata Model 3 – 1967<a class="footnote-ref" id="fnref:11" href="#fn:11"><sup>11</sup></a><a class="footnote-ref" id="fnref:12" href="#fn:12"><sup>12</sup></a></li> <li>Interdata 4 (autoload, floating point)</li> <li>Interdata 5 (list processing, microcoded automatic I/O channel)</li> <li>Interdata 70 (1971), 74 (1973), 80 (1971), 85 (Writable Control Store, 1973)<a class="footnote-ref" id="fnref:13" href="#fn:13"><sup>13</sup></a></li> <li>Interdata 50, 55 (Communications systems)</li> <li>Interdata 5/16, 6/16, 7/16 (1974)<a class="footnote-ref" id="fnref:14" href="#fn:14"><sup>14</sup></a></li> <li>Interdata 8/16, 8/16e (double precision floating point, extended memory)</li> <li>Interdata RD-800 and RD-850 – 1975<a class="footnote-ref" id="fnref:15" href="#fn:15"><sup>15</sup></a></li> <li><a href="/facts/Interdata_7%2f32/RSEFj02y">Interdata 7/32</a> – 1974<a class="footnote-ref" id="fnref:16" href="#fn:16"><sup>16</sup></a></li> <li><a href="/facts/Interdata_8%2f32/RSEFj02y">Interdata 8/32</a> – 1975<a class="footnote-ref" id="fnref:17" href="#fn:17"><sup>17</sup></a></li> <li>Perkin-Elmer 3205, 3210, 3220, 3230, 3240, 3250, 3280</li></ul> <p>A simulator is available: <a href="http://simh.trailing-edge.com/interdata.html">http://simh.trailing-edge.com/interdata.html</a> </p> <h2 id="external-links">External links</h2> <ul><li><a href="https://web.archive.org/web/20090426181758/http://interdata.org.uk/">interdata.org.uk</a> – Site detailing the restoration of an Interdata Model 74 computer</li> <li><a href="http://www.computinghistory.org.uk/det/28933/Interdata-Model-70-Users-Manual/">Model-70 User's Manual</a>. <i>computinghistory.org.uk</i></li> <li><a href="http://www.bitsavers.org/pdf/interdata/">"Interdata computers documents"</a>. <i>www.bitsavers.org</i>.</li></ul> <h2 id="references">References</h2> <ol> <li id="fn:1"><p>"Interdata Reference Manual 29-004R02 – Computing History". www.computinghistory.org.uk. Retrieved 27 July 2016. <a href="http://www.computinghistory.org.uk/det/28934/Interdata-Reference-Manual-29-004R02/" target="_blank">http://www.computinghistory.org.uk/det/28934/Interdata-Reference-Manual-29-004R02/</a> <a href="#fnref:1" class="footnote-back-ref">↩</a></p></li> <li id="fn:2"><p>"About Concurrent – Concurrent". Concurrent.com. Retrieved 27 July 2016. <a href="https://www.concurrent.com/about/about-concurrent/" target="_blank">https://www.concurrent.com/about/about-concurrent/</a> <a href="#fnref:2" class="footnote-back-ref">↩</a></p></li> <li id="fn:3"><p>"Concurrent Computer Corporation – FREE Concurrent Computer Corporation information | Encyclopedia.com: Find Concurrent Computer Corporation research". www.encyclopedia.com. Retrieved 27 July 2016. <a href="http://www.encyclopedia.com/doc/1G2-3445200037.html" target="_blank">http://www.encyclopedia.com/doc/1G2-3445200037.html</a> <a href="#fnref:3" class="footnote-back-ref">↩</a></p></li> <li id="fn:4"><p>"Parallel Processing". Enclicopedia.com. Retrieved 17 January 2024. <a href="https://www.encyclopedia.com/science-and-technology/computers-and-electrical-engineering/computers-and-computing/parallel-processing" target="_blank">https://www.encyclopedia.com/science-and-technology/computers-and-electrical-engineering/computers-and-computing/parallel-processing</a> <a href="#fnref:4" class="footnote-back-ref">↩</a></p></li> <li id="fn:5"><p>Enterprise, I. D. G. (1990-12-10). Computerworld. IDG Enterprise. Retrieved 27 July 2016. <a href="https://books.google.com/books?id=xADOH_NYfZoC&q=concurrent+computer+corporation+history+and+interdata&pg=PA103" target="_blank">https://books.google.com/books?id=xADOH_NYfZoC&q=concurrent+computer+corporation+history+and+interdata&pg=PA103</a> <a href="#fnref:5" class="footnote-back-ref">↩</a></p></li> <li id="fn:6"><p>"Concurrent Computer Corporation – FREE Concurrent Computer Corporation information | Encyclopedia.com: Find Concurrent Computer Corporation research". www.encyclopedia.com. Retrieved 27 July 2016. <a href="http://www.encyclopedia.com/doc/1G2-3445200037.html" target="_blank">http://www.encyclopedia.com/doc/1G2-3445200037.html</a> <a href="#fnref:6" class="footnote-back-ref">↩</a></p></li> <li id="fn:7"><p>"Concurrent Computer Corporation – FREE Concurrent Computer Corporation information | Encyclopedia.com: Find Concurrent Computer Corporation research". www.encyclopedia.com. Retrieved 27 July 2016. <a href="http://www.encyclopedia.com/doc/1G2-3445200037.html" target="_blank">http://www.encyclopedia.com/doc/1G2-3445200037.html</a> <a href="#fnref:7" class="footnote-back-ref">↩</a></p></li> <li id="fn:8"><p>Trew, Arthur; Wilson, Greg (2012-12-06). Past, Present, Parallel: A Survey of Available Parallel Computer Systems. Springer Science & Business Media. ISBN 9781447118428. Retrieved 27 July 2016. <a href="9781447118428" target="_blank">9781447118428</a> <a href="#fnref:8" class="footnote-back-ref">↩</a></p></li> <li id="fn:9"><p>"Concurrent Computer Corporation". www.new-npac.org. Archived from the original on 31 March 2022. Retrieved 27 July 2016. <a href="https://web.archive.org/web/20220331121428/http://www.new-npac.org/projects/cdroms/cewes-1999-06-vol1/nhse/hpccsurvey/orgs/concurrent/concurrent.html" target="_blank">https://web.archive.org/web/20220331121428/http://www.new-npac.org/projects/cdroms/cewes-1999-06-vol1/nhse/hpccsurvey/orgs/concurrent/concurrent.html</a> <a href="#fnref:9" class="footnote-back-ref">↩</a></p></li> <li id="fn:10"><p>Auerbach Guide to Minicomputers 1975. Auerbach. 1975. p. 5 (12). <a href="https://archive.org/details/bitsavers_auerbachAumputers1975_31095575" target="_blank">https://archive.org/details/bitsavers_auerbachAumputers1975_31095575</a> <a href="#fnref:10" class="footnote-back-ref">↩</a></p></li> <li id="fn:11"><p>"Interdata Model 2, 3 and 4". Computers and Automation. 16 (12): 3 (ad), 31 (Model 2), 36 (Model 4), 71 (Model 3). Dec 1967. <a href="https://archive.org/details/bitsavers_computersA_11280381" target="_blank">https://archive.org/details/bitsavers_computersA_11280381</a> <a href="#fnref:11" class="footnote-back-ref">↩</a></p></li> <li id="fn:12"><p>"Across the Editor's Desk: LOW-COST COMPUTER FOR ENGINEERING AND LAB RESEARCH". Computers and Automation. 16 (9): 45. Sep 1967. <a href="https://archive.org/details/bitsavers_computersA_7896122" target="_blank">https://archive.org/details/bitsavers_computersA_7896122</a> <a href="#fnref:12" class="footnote-back-ref">↩</a></p></li> <li id="fn:13"><p>Auerbach Guide to Minicomputers 1975. Auerbach. 1975. p. 5 (12). <a href="https://archive.org/details/bitsavers_auerbachAumputers1975_31095575" target="_blank">https://archive.org/details/bitsavers_auerbachAumputers1975_31095575</a> <a href="#fnref:13" class="footnote-back-ref">↩</a></p></li> <li id="fn:14"><p>Auerbach Guide to Minicomputers 1975. Auerbach. 1975. p. 5 (12). <a href="https://archive.org/details/bitsavers_auerbachAumputers1975_31095575" target="_blank">https://archive.org/details/bitsavers_auerbachAumputers1975_31095575</a> <a href="#fnref:14" class="footnote-back-ref">↩</a></p></li> <li id="fn:15"><p>Auerbach Guide to Minicomputers 1975. Auerbach. 1975. p. 5 (12). <a href="https://archive.org/details/bitsavers_auerbachAumputers1975_31095575" target="_blank">https://archive.org/details/bitsavers_auerbachAumputers1975_31095575</a> <a href="#fnref:15" class="footnote-back-ref">↩</a></p></li> <li id="fn:16"><p>Auerbach Guide to Minicomputers 1975. Auerbach. 1975. p. 5 (12). <a href="https://archive.org/details/bitsavers_auerbachAumputers1975_31095575" target="_blank">https://archive.org/details/bitsavers_auerbachAumputers1975_31095575</a> <a href="#fnref:16" class="footnote-back-ref">↩</a></p></li> <li id="fn:17"><p>Auerbach Guide to Minicomputers 1975. Auerbach. 1975. p. 5 (12). <a href="https://archive.org/details/bitsavers_auerbachAumputers1975_31095575" target="_blank">https://archive.org/details/bitsavers_auerbachAumputers1975_31095575</a> <a href="#fnref:17" class="footnote-back-ref">↩</a></p></li> </ol>