IBM 36-bit computers

• Tube-based
  • 701 (also known as the Defense Calculator)
  • 704
  • 709
• Solid-state
  • 7090
  • 7094
  • 7094 II
  • 7040
  • 7044

With the exception of the 701, these "Scientific" computers all had very similar architectures.

Operating Systems:

• SOS (Share Operating System) for the 709, by the IBM SHARE User's Group
• FMS (FORTRAN Montior System) for the 709, by North American Aviation
• IBSYS.IBJOB for the 709x (manual C28-6248, IBM Corp., 1963)
• IBSYS/IBJOB fro the 704x, similar (but far from identical to) IBSYS/IBJOB for the 709x
• Input Output Ssystem for the 704, by General Motors and North American Aviation
• IOCS (Input Output Control System) for the 7090 (part of IBSYS?)
• CTSS (Compatible Time-Sharing System), from MIT's Project MAC, ran on modified 7094s

Languages:

• SAP (Symbolic Assembly Program) for 704 by United Aircraft
• IBMAP assembler for IBSYS/IBJOB (versions for 709x and 704x)
• FAP assembler
• FORTRAN II
• FORTRAN IV
• Commercial Translator (predecessor of COBOL)
• COBOL
• LISP 1.5 from MIT
• ALGOL60 for 704x IBSYS/IBJOB

Online resources:

• IBM 7090/94 Architecture
• The IBM 7094 and CTSS
• Paul Pierce's collection includes the 709 and 7094 (and many other interesting machines)

36bit.org home page

Last updated April 21, 2000

Copyright 1999, 2000 Eric Smith

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eric@brouhaha.com

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