Digital Systems

{{Short description|Technology development company}} {{Use dmy dates|date=February 2020|cs1-dates=y}} {{anchor|Seattle|DSI|DMS||DML|Torode}}'''Digital Systems Inc.''', was an American accounting service and technology development company active between 1966<ref name="UW_1996_Torode"/> and 1979.<ref name="UW_1996_Torode"/> It was founded by John Q. Torode in Seattle, Washington.<ref name="Kildall_1980_CPM"/><ref name="Kildall_1993"/><ref name="UW_1996_Torode"/><ref name="Shustek_2016"/><ref name="Johnson_2018_Torode"/> The company was reorganized into the microcomputer design and development company '''Digital Microsystems, Inc.''' (DMS),<ref name="Johnson_2018_Torode"/> Oakland, USA, founded in 1979.<ref name="IW_1983_DMS"/> In 1984, it was sold to the new UK operation Digital Microsystems Ltd. (DML) (owned by Extel Group Plc)<ref name="Kline_2011_DMS"/> and finally ended its US operations in 1986.<ref name="UW_1996_Torode"/><ref name="Johnson_2018_Torode"/> Without Torode, Digital Microsystems Ltd.'s product HiNet (Hierarchical Integration Network) was sold to Apricot Computers Plc in 1987.<ref name="Johnson_2011_DS-DMS"/> In 1986, Torode founded a new company, IC Designs, Inc., based partly on Theodore "Ted" H. Kehl's VLSI technology at the University of Washington (UW),<ref name="UW_1996_Torode"/><ref name="UW_2019_Kehl"/> which was bought by Cypress Semiconductor Corp. in 1993.<ref name="UW_2019_Kehl"/>

== References == <references>

<ref name="Shustek_2016">{{cite web |url=http://www.computerhistory.org/atchm/in-his-own-words-gary-kildall/ |title=In His Own Words: Gary Kildall |author-first=Len |author-last=Shustek |date=2016-08-02 |work=Remarkable People |publisher=Computer History Museum}}</ref> <ref name="Kildall_1993">{{cite book |orig-year=1993 |date=2016-08-02 |title=Computer Connections: People, Places, and Events in the Evolution of the Personal Computer Industry |author-first=Gary Arlen |author-last=Kildall |author-link=Gary Kildall |editor-first1=Scott |editor-last1=Kildall |editor-link=Scott Kildall |editor-first2=Kristin |editor-last2=Kildall |publisher=Kildall Family |type=Manuscript, part 1 |url=http://www.computerhistory.org/atchm/computer-history-museum-license-agreement-for-the-kildall-manuscript/ |access-date=2016-11-17 |archive-url=https://web.archive.org/web/20161117232745/http://s3data.computerhistory.org/kildall-p.1-78-publishable-lowres.pdf |url-status=live |archive-date=2016-11-17 }}</ref> <ref name="Kildall_1980_CPM">{{cite web |title=The History of CP/M, The Evolution of an Industry: One Person's Viewpoint |author-first=Gary Arlen |author-last=Kildall |author-link=Gary Kildall |date=January 1980 |publisher=Dr. Dobb's Journal of Computer Calisthenics & Orthodontia |pages=6–7 |edition=Vol. 5, No. 1, Number 41 |url=http://www.retrotechnology.com/dri/CPM_history_kildall.txt |access-date=2013-06-03 |quote=[…] The first commercial licensing of CP/M took place in 1975 with contracts between Digital Systems and Omron of America for use in their intelligent terminal, and with Lawrence Livermore Laboratories where CP/M was used to monitor programs in the Octopus network. Little attention was paid to CP/M for about a year. In my spare time, I worked to improve overall facilities […] By this time, CP/M had been adapted for four different controllers. […]}}</ref> <ref name="Johnson_2018_Torode">{{cite web |title=CP/M and Digital Research Inc. (DRI) History - References |date=2018-06-07 |editor-first=Herbert "Herb" R. |editor-last=Johnson |location=New Jersey, USA |url=http://www.retrotechnology.com/dri/d_dri_refs.html |access-date=2020-02-23 |url-status=live |archive-url=https://web.archive.org/web/20200223212031/http://www.retrotechnology.com/dri/d_dri_refs.html |archive-date=2020-02-23}}</ref> <ref name="IW_1983_DMS">{{cite news |title=The Executive Microcomputer Conference & Exposition (EMCE) |date=1983-06-20 |newspaper=InfoWorld - The Newsweekly for Microcomputer Users |volume=5 |number=25 |issn=0199-6649 |publisher=Popular Computing, Inc. |pages=22–23 |url=https://books.google.com/books?id=zC8EAAAAMBAJ&pg=PA22 |access-date=2020-02-23 |url-status=live |archive-url=https://web.archive.org/web/20200223224230/https://books.google.de/books?id=zC8EAAAAMBAJ&pg=PA22&lpg=PA22&dq=Digital+Systems,+Inc.+Torode&source=bl&ots=GwtNH8kHIR&sig=ACfU3U3MdC_jEQbLqda6Ceg1wLvI9IrlmA&hl=de&sa=X&ved=2ahUKEwinqbu93ejnAhWF2qQKHYmyBpUQ6AEwDnoECAsQAQ |archive-date=2020-02-23 |quote=[…] Digital Microsystems, Inc. […] Embarcadero, Oakland, CA […] Digital Microsystems (DMS), originally Digital Systems, was founded in 1975 by Dr. John Torode who designed the first floppy disk subsystem for use on a micro. In 1974, DMS collaborated with Gary Kildall (Digital Research's founder) to design and implement the first microcomputer disk operating system, CP/M. […]}}</ref> <ref name="Kline_2011_DMS">{{cite web |title=Steve Kline of Digital Micro Systems |date=2011-06-20 |author-first=Steve |author-last=Kline |editor-first=Herbert "Herb" R. |editor-last=Johnson |location=New Jersey, USA |url=http://www.retrotechnology.com/dri/digital_systems_kline.html |access-date=2020-02-24 |url-status=live |archive-url=https://web.archive.org/web/20200225145306/http://www.retrotechnology.com/dri/digital_systems_kline.html |archive-date=2020-02-25}}</ref> <ref name="Johnson_2011_DS-DMS">{{cite web |title=Digital Systems, Digital Microsystems |date=2011-06-13 |orig-year=November 2010 |author-first=Herbert "Herb" R. |author-last=Johnson |location=New Jersey, USA |url=http://www.retrotechnology.com/dri/digital_systems_products.html |access-date=2020-02-24 |url-status=live |archive-url=https://web.archive.org/web/20200207034925/http://www.retrotechnology.com/dri/digital_systems_products.html |archive-date=2020-02-07}}</ref> <ref name="UW_1996_Torode">{{cite web |title=UW CSE Alumnus John Torode founds IC Designs |date=1996 |publisher=University of Washington |url=https://homes.cs.washington.edu/~lazowska/impact/torode.html |access-date=2020-02-24 |url-status=live |archive-url=https://web.archive.org/web/20200207035812/https://homes.cs.washington.edu/~lazowska/impact/torode.html |archive-date=2020-02-07}}</ref> <ref name="UW_2019_Kehl">{{cite web |title=Remembering Ted Kehl |publisher=University of Washington |series=Allen School News |work=Paul G. Allen School of Computer Science & Engineering |date=2019-02-27 |url=https://news.cs.washington.edu/2019/02/27/remembering-ted-kehl/ |access-date=2020-02-24 |url-status=live |archive-url=https://web.archive.org/web/20200225152841/https://news.cs.washington.edu/2019/02/27/remembering-ted-kehl/ |archive-date=2020-02-25}}</ref>

</references>

== Further reading== * {{cite web |title=Dr. Torode's Digital Systems floppy controller products |date=2019-08-25 |orig-year= |editor-first=Herbert "Herb" R. |editor-last=Johnson |location=New Jersey, USA |url=http://www.retrotechnology.com/dri/torode_designs.html |access-date=2020-02-25 |url-status=live |archive-url=https://web.archive.org/web/20200225154749/http://www.retrotechnology.com/dri/torode_designs.html |archive-date=2020-02-25 |ref=none}} * {{cite web |title=Dr. Torode, his floppy controller, and Digital Systems |date=2019-08-25 |orig-year= |editor-first=Herbert "Herb" R. |editor-last=Johnson |location=New Jersey, USA |url=http://www.retrotechnology.com/dri/torode_origins.html |access-date=2020-02-25 |url-status=live |archive-url=https://web.archive.org/web/20200207034925/http://www.retrotechnology.com/dri/torode_origins.html |archive-date=2020-02-07 |ref=none}} * {{cite web |title=30 years of CP/M |date=June 2011 |orig-year=2007-06-10, 2007-10-14, 2009-02-03 |author-first=Herbert "Herb" R. |author-last=Johnson |location=New Jersey, USA |url=http://www.retrotechnology.com/dri/cpm_presentation.html |access-date=2020-02-25 |url-status=live |archive-url=https://web.archive.org/web/20200225154815/http://www.retrotechnology.com/dri/cpm_presentation.html |archive-date=2020-02-25 |ref=none}}

Category:Defunct computer companies of the United States Category:Defunct computer hardware companies

== External links == {{ict-company-stub}}