List of early third generation computers

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This list of early third generation computers, tabulates those computers using monolithic integrated circuits (ICs) as their primary logic elements, starting from small-scale integration CPUs (SSI) to large-scale integration CPUs (LSI). Computers primarily using ICs first came into use about 1961 for military use. With the availability of reliable low cost ICs in the mid 1960s commercial third generation computers using ICs started to appear.

The fourth generation computers began with the shipment of CPS-1, the first commercial microprocessor microcomputer in 1972 and for the purposes of this list marks the end of the "early" third generation computer era. Note that third generation computers were offered well into the 1990s.

The list is organized by delivery year to customers or production/operational date. In some cases only the first computer from any one manufacturer is listed. Computers announced, but never completed, are not included. Computers without documented manual input (keyboard/typewriter/control unit) are also not included.

Aerospace and military computers (1961-1972)[edit]

1961

1962

1963

1965

1967

1970

1971

  • AN/GYK-12 Militarized version of Litton L-3050

Commercial computers (1965-1972)[edit]

This table of commercial 3rd generation computers has been constructed by merging of several lists of computers[42][43][44][45] offered from February 1965, the date of the shipment of the first commercial 3rd generation computer, thru 1971 inclusive and then finding reliable sources as to the generation of the models listed and the associated dates.

Date[a] Manufacturer Model Comment
Feb 1965 Scientific Data Systems SDS 92 First commercial 3rd generation computer
Sep 1965 Systems Engineering Laboratories, Inc. 810
Oct 1965 ASI Computer Division of Electro-Mechanical Research, Inc.[b] ASI 6070[48]
Nov 1965 Systems Engineering Laboratories, Inc. 840
Dec 1965 Honeywell Information Systems 2200[49]
Jan 1966 Computer Control Company DDP-124
Jan 1966 Honeywell Information Systems 1200[49]
Feb 1966 ASI Computer Division of Electro-Mechanical Research, Inc.[b] ASI 6050[48]
Feb 1966 Honeywell Information Systems 120[49]
Jun 1966 Honeywell Information Systems DDP 516[50]
Jul 1966 RCA Spectra 70/35, /45 & /55
Aug 1966 Systems Engineering Laboratories, Inc. 810A/840A
Nov 1966 Ferranti Argus 400
Nov 1966 Hewlett-Packard, Co. 2116A
Dec 1966 Business Information Technology BIT 480[51][52]
Dec 1966 Scientific Data Systems Sigma 7
Jan 1967 Scientific Data Systems Sigma 2
Feb 1967 General Electric GE 4020[53] (in Japanese)
Mar 1967 Interdata, Inc. Interdata 3
Apr 1967 Electronic Associates, Inc. EAI 640[54]
May 1967 Honeywell Information Systems 4200[49]
May 1967 Standard Computer Corporation IC6000[55]
Jun 1967 Univac 9200 & 9300
Jun 1967 Varian Data Machines 620/i
Aug 1967 Burroughs B2500/3500 [56]: 473 
Aug 1967 Xerox Data Systems Sigma 5
Sep 1967 Elbit Computers, Ltd. 100[57]
Oct 1967 Marconi Myriad II[58] Uses DTL
Oct 1967 ASI Computer Division of Electro-Mechanical Research, Inc.[b] ASI 6130[59]
Oct 1967 Digiac Corporation 3080C[60]
Oct 1967 Raytheon Computer 703[61]
Dec 1967 Honeywell Information Systems 125[62]
Jan 1968 Systems Engineering Laboratories, Inc. 840MP
Jan 1968 General Automation, Inc. SPC-12
Apr 1968 Computer Automation, Inc. PDC 808 Uses DTL circuits
Apr 1968 Digital Equipment Corp. PDP-8/I[63]
Apr 1968 Hewlett-Packard, Co. 2115A
c. Apr 1968 Spear Micro-LINC 300 Uses MECL
May 1968 Texas Instruments, Inc 980[64]
Jun 1968 Honeywell Information Systems 1648[65]
Jul 1968 Hewlett-Packard, Co. 2116B
Jul 1968 Redcor Corporation RC-70[66]
Aug 1968 Honeywell Information Systems 1250[62]
Sep 1968 Honeywell Information Systems 110[49]
Sep 1968 National Cash Register Century 100
Sep 1968 Standard Computer Corporation IC4000[55]
Sep 1968 Systems Engineering Laboratories, Inc. 810B
Oct 1968 Digital Equipment Corp. PDP-8/L[63]
Oct 1968 Hewlett-Packard, Co. 2114A
Oct 1968 Varian Data Machines 520/i
Nov 1968 General Automation, Inc. SPC-8
Nov 1968 RCA Spectra 70/46
Dec 1968 Bailey Meter 855
Dec 1968 Computer Automation, Inc. PDC 816 Used TTL for logic
Dec 1968 Honeywell Information Systems DDP 416[67]
Dec 1968 Honeywell Information Systems H632[68][69]
Dec 1968 Micro Systems, Inc Micro 800/810[70][c] TTL MSI, Core Memory, Microprogrammed
1968 Fujitsu, Ltd. FACOM230-25, -35, -45
Feb 1969 Data General Nova
Feb 1969 Honeywell Information Systems 8200
Mar 1969 Fujitsu, Ltd. FACOM-R[71][d]
Mar 1969 Lockheed Electronics MAC-16
Mar 1969 Raytheon Computer 706[72]
Apr 1969 Burroughs B8500[73]
Apr 1969 Philips Electrologica Limited P350 series[74]
Apr 1969 Scientific Control Corporation SCC 4700[75]
May 1969 Datacraft Corporation DC-6024/1[76][77][78]
May 1969 Univac 9400
Jun 1969 National Cash Register Century 200[79]
Jun 1969 Honeywell Information Systems H316[50]
Jun 1969 Standard Computer Corporation IC7000[55]
Jul 1969 Burroughs B6500 [56]: 449 
Aug 1969 Westinghouse Electric 2500[80]
Sep 1969 Tempo Computers, Inc. 1/1-A[81]
Nov 1969 Hewlett-Packard, Co. 2114B
Dec 1969 IBM 360/85
Dec 1969 Xerox Data Systems Sigma 3
1969 International Computers and Tabulators ICT 1900A
Jan 1970 Business Information Technology BIT 483[82]
Jan 1970 GRI Computer Corp. GRI 909[83]
Jan 1970 IBM System/3
Feb 1970 Digital Equipment Corp. PDP-15[63]
Feb 1970 Honeywell Information Systems 3200[49]
Feb 1970 Datacraft Corporation DC-6024/3[84][77][78]
Feb 1970 CII Iris 50
Early 1970 U. of Illinois ILLIAC IV
Mar 1970 Digital Scientific Corp. META 4[85]
Apr 1970 Digital Equipment Corp. PDP-11/20[63]
Apr 1970 Raytheon Computer 704[86]
Apr 1970 Viatron Computer Systems Corp. Viatron 2140 & 2150
May 1970 Data General SuperNova
May 1970 General Automation, Inc. SPC-16
Jun 1970 Texas Instruments, Inc 960[64]
Jul 1970 Unicomp, Inc. COMP-16[87]
Aug 1970 Digital Computer Controls, Inc DCC-112[57]
Sep 1970 RCA Spectra 70/60
Sep 1970 Wang Laboratories, Inc. Wang 3300
Sep 1970 Philips Business Systems, Inc. P850/855/860[88]
Fall 1970 Datamate Computer Systems, Inc. 70[89]
before Nov 1970 GRI Computer Corporation 99[90]
before Nov 1970 Varisystems Corporation PAC-16/2[91]
Dec 1970 Modular Computer Systems, Inc III[92]
1970 Fujitsu, Ltd. FACOM230-15
1970 Unicomp, Inc. COMP-18[87]
Jan 1971 IBM 370/155
Feb 1971 RCA Spectra 70/61
Mar 1971 Digital Equipment Corp. PDP-8/E[63]
Mar 1971 General Electric GE 655
Apr 1971 Data General Corp. Nova 800
Apr 1971 IBM 370/165
Jun 1971 IBM 370/145
Dec 1971 Data General Corp. Nova 1200
1971 Fujitsu, Ltd. FACOM230-45S

See also[edit]

Notes[edit]

  1. ^ Unless otherwise noted date is "first customer shipment" or "first practical demonstration" taken from the following sources listed in priority order:
    1. Dates with reliable sources in linked Wikipedia articles
    2. Digital Computer Census (1964-1974)[93]
    3. Auerbach EDP Series No.4 - Minicomputers,[43] Appendix C. Product Comparison charts
    4. Dead Medium: Dead computational platforms, dead mainframes, and their dates[42]
    To the extent there is a conflict between sources, only the highest priority source is used.
  2. ^ a b c ASI became EMR-Computer in 1964.[46] Later sold to Univac.[47]
  3. ^ Sold in Europe as Intertechnique Multi-8
  4. ^ Generation 3 estimated based upon dates of other older models from manufacturer

References[edit]

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  4. ^ Engineers, Institute of Radio (1962). "IEEE International Convention Record". 10 (1–5): 50. {{cite journal}}: Cite journal requires |journal= (help)
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  41. ^ Baechler 1967, Table 2 no 35 (p. 23 in reader).
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  54. ^ EAI 640
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  60. ^ Datamation, Apr 1970, p. 331
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  64. ^ a b Model 960, Texas Instruments
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  68. ^ "Model 632-001 Series 32 Technical Bulletin" (PDF). Bitsavers. Honeywell Computer Control Division. 1968. Retrieved March 22, 2019.
  69. ^ "Honeywell H632 brochure" (PDF). s3data.computerhistory.org. 1968.
  70. ^ "MICRO 800 Computer Reference Manual" (PDF). Bitsavers. Micro Systems, Inc. June 1969. Retrieved April 2, 2019.
  71. ^ "FACOM R". Fujitsu, Ltd. 1969. Retrieved April 2, 2019.
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  78. ^ a b Later sold as part of Harris Computer Systems' Slash Series (Slash 1, 3, 4 and 5)
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  86. ^ "704 IC Systems Computer, Technical Manual" (PDF). Bitsavers. Retrieved March 18, 2019.
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  88. ^ Philips mini computers P850/P855/P860
  89. ^ "Datamate 70 Computer Reference Manual" (PDF). Bitsavers. 1970. Retrieved April 2, 2019.
  90. ^ GRI-99 System Reference Manual Oct72
  91. ^ Varisystem
  92. ^ System Designs Handbook, mudular computer systems
  93. ^ "Digital Computer Census" (PDF). Bitsavers. Computers and People. January 22, 1962 – August 15, 1974. Retrieved March 31, 2019.

Works cited[edit]

Further reading[edit]