Early Computers at Stanford

Created 15 August 1997, last updated March 2006.

This is part of information collected for the Computer History Exhibits.
Please send corrections and updates to Gio Wiederhold, email gio@cs.stanford.edu
Some information was provided by John Sauter

The intent is to list all computers at Stanford up to about 1980, when personal computers became ubiquitous and uncountable. Some major, later equipment can be included.

Manufacturer arrived- Campus Add/mpy Initial |
Type retired Location speed Memory Prim.languageNotes|
mu sec bytes or Words x word size |
IBM CPC Mar.1953-56 Elec.Lab. 760K/12M 48Wx 10-bit digits coded cards mechanical |
1955 IBM 604 upgrade?|
IBM 650 Jan.1956-62? Elec.Lab. 2.2K/19K 2K x 9-bit digit SOAP drum memory |
Burroughs 220 (originaly Datatron 220) Jun.1960 Encina 200/3300 10KW x 4-bit digit Balgol core memory; shared with First National Bank of San Jose|
(overnight check processing) |
Burroughs 5000 Mar?.1963-68Pine Hall 16K? x 48-bit words + 3-tag bits Algol stack architecture, campus service |
Burroughs 5500 update also updated to 2 asymmetric processors[Sauter]
IBM 7090 Feb.?1963-65?Pine Hall 32K x 36-bit words SubAlgol (translation of BALGOL) campus service |
IBM 7090 update Feb.1965?-May 1967Pine Hall 4.4/25 32Kx 36-bit words LISPcampus service |
used for McCarthy's chess program
IBM 7044 likely an erroneous report
IBM 7700 (1/2 produced)March 1964-1972Prof. Yearian ? in HEPL 16K? x 36-bit words Shower code data-acquistion from experiments|
DEC PDP-1 bef.May 1963 - 1965 Pine Hall 4K x 18-bit words STSS time-shared, for AI and Education, and spacewar |
DEC PDP-1upgraded to 64K
DEC/NIH LINC 1964Medical School, S wing basement 4K x 12-bit words Genetics Lab. |
DEC PDP-6 Aug.1965 - 1984 AI lab 32K x 36-bit words LISP AI and robotics, donated to the Boston Computer Museum|
received CRT from PDP-1later attached to PDP-10
IBM/360-50 Jun.1965 SLAC 4/16 256 x bytes development support |
IBM/360-50 Dec.1965-7x Med.Sch., ACME 4/16 1.128M x bytesPL/1 subset 1 Mbyte (later 2) was slow memory(8mu sec); timeshared|
IBM 1800 May?1966-7x Med.Sch. 16 x bytes via PL/1 real-time sub-processor|
IBM/360-67 May 1967- Pine Hall 1.5/6 500K x bytes Algol W, FORTRAN operated as an IBM/360-65 because of an inadequate timesharing system|
SIGMA-5 1967? Durand basement Aero&Astro ? x 32-bit words Prof. Ron Bracewell |
IBM/360-75 1967-68 SLAC 0.75/3 1Mb FORTRAN interim to -91|
HP-2116 1967? Durand basement Electr. Eng. Prof. Widrow |
IBM/360-91 1968-21 Aug.1981 SLAC 0.2/0.4 2Mb FORTRAN |
DEC PDP-10 KA Sep.1968-91 AI-LAB 192K x 36-bit words LISP, SAILswapping |
Adage 1970? Durand Analog 3D matrix transforms |
Data General Eclipse 1970? Durand basement Aero&Astro x 16-bit wordsProf. Ron Bracewell |
IBM 1620 1970? Durand 20K 4-bit digts Ted Hoff/ Bernie Widrow LMS algorithm |
DEC PDP-10 197x-1992? Med.Sch. x 36-bit words LISP SUMEX: National timeshared service |
IBM/370-168 (2) 1973 SLAC 2M x bytes FORTRAN |
DEC PDP-10 1975-90? Sweet Hall 512K x 36-bit words PASCAL, C, Low-Overhead Time Sharing
DEC PDP-10 KL Apr.1976-96 MJ Hall AI lab 512K x 36-bit words LISP, SAIL |
Xerox Altos (12?) 1978? CSD, MJ Hall 32K x 16-bit words WYSIWG editor (Smalltalk was not provided) |

This page first created 15 August 1997 by Gio Wiederhold, email: gio@cs.stanford.edu.
Base material was collected by Voy Wiederhold, coordinator, email: voy@db.stanford.edu, using Stanford Daily and Library sources. We will update these webpages as the display takes shape.
Back to Computer History Exhibits page.