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277:, an in-house development from the Sigma-9 architecture. It essentially upgraded the Iris 50 with modern integrated circuits, as well as multiprocessor capabilities. Its operating system, Siris 8, was also upgraded from Siris 7 to leverage the new capabilities of the Iris 80.
610:"Jean Ichbiah est ensuite passé au projet LIS, Langage d'Implémentation de Systèmes, destiné à rendre portables les systèmes d'exploitation par la simple réécriture des modules de bas niveau, puis à la définition du langage de programmation Ada (langage)|Ada."
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Because of a policy of national preference that the Plan Calcul imposed on the public sector, this computer was installed at four of the approximately twenty French university computing centers in the mid-1970s, as well as
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315:. Main memory can be expanded to 4 megabytes. Calculation precision is 64 bits, ensuring the convergence of calculations that may diverge on other machines.
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The CPU is a modification of the CII 10070 (32-bit words, largely identical instruction set), with addressing revised for multi-processor operation. Paging uses
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The original successors to the Iris 80 was supposed to be the CII / Unidata X4 and X5 set to be released in 1976. However, after the eventual merger of CII with
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network was notably demonstrated at SICOB 1975 with applications simultaneously running at the INRIA headquarters at
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Integrated (3rd generation), 32 bits, available in single and multiple configurations @ 650ns cycle (~1.5 MHz)
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Description and pictures of the CII Iris 80 from Fédération des
Equipes Bul (FEB)
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The Iris 80's operating system is a multitasking operating system known as
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About a hundred Iris 80s were delivered, including 27 dual processors.
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computer is the most powerful computer made by the French company
568:"The Rise and Fall of Philips Data Systems, pp.89-98 on Unidata"
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The CS 40, used for telephone switching, was derived from it.
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Front panel of an IRIS 80 from the ACONIT computer museum,
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Institut universitaire de calcul automatique de
Lorraine
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The Iris 80 is the backward-compatible successor to the
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49:. Unsourced material may be challenged and removed.
517:Modulef modular library for calculation using the
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463:, etc., were used by the university community
362:Siris 8 handles a varied workload, including
8:
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544:"Fédération des Equipes Bull - CII Iris 80"
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109:Learn how and when to remove this message
588:"CII-Honeywell-Bull - GCOS7: Emulators"
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338:minicomputers are used as controllers.
16:Computer made by the French company CII
273:, a licensed SDS Sigma-7, and to the
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47:adding citations to reliable sources
366:(local and remote processing) and
285:and other research organizations.
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34:needs additional citations for
644:History of computing in France
1:
649:Computers designed in France
404:LP70, a language similar to
401:Metasymbol, a meta-assembler
389:and various regional sites.
326:capacity increased from the
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513:database management system
222:Hard drives (25 to 200 MB)
507:document retrieval system
334:(200 megabytes) by 1974.
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170:1971 (announced in 1969)
592:www.feb-patrimoine.com
548:www.feb-patrimoine.com
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519:finite element method
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43:improve this article
639:Mainframe computers
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330:(25 megabytes) to
313:associative memory
162:Mainframe computer
498:Software packages
398:Symbol assembler,
347:Operating systems
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58:"CII Iris 80"
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54:Find sources:
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32:This article
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595:. Retrieved
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571:. Retrieved
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551:. Retrieved
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387:Rocquencourt
368:time sharing
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357:Jean Ichbiah
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240:CII-HB DPS-7
175:Discontinued
167:Release date
151:Manufacturer
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41:Please help
36:verification
33:
489:(IUCAL) in
485:Iris 80 at
375: [
319:Peripherals
256:Plan Calcul
254:as part of
248:CII Iris 80
231:CII Iris 50
227:Predecessor
122:CII Iris 80
633:Categories
597:2023-08-16
573:2024-08-12
553:2023-08-02
525:References
416:Fortran IV
260:IBM 360/75
183:Units sold
69:newspapers
393:Languages
372:Transiris
271:CII 10070
237:Successor
511:Socrate
471:Modula-2
461:Grenoble
457:Toulouse
427:Algol 60
418:extended
383:CYCLADES
342:Software
336:Mitra 15
302:Hardware
144:Grenoble
99:May 2023
504:Mistral
353:Siris 8
275:Iris 50
219:Storage
196:Siris 8
83:scholar
493:, 1977
475:Simula
448:SNOBOL
442:Simula
437:Pascal
332:MD 200
264:360/85
211:Memory
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491:Nancy
422:BASIC
411:COBOL
406:PL360
379:]
328:MD 25
283:INRIA
90:JSTOR
76:books
473:and
453:Lisp
432:PL/I
262:and
246:The
214:4 MB
178:1976
159:Type
62:news
467:LIS
307:CPU
252:CII
202:CPU
154:CII
45:by
635::
590:.
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533:^
459:,
444:67
377:fr
266:.
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106:(
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97:(
87:·
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39:.
Text is available under the Creative Commons Attribution-ShareAlike License. Additional terms may apply.
