DE3783061D1 - Datenverarbeitungssystem mit veraenderbarer ein/ausgabe-prioritaetswahl. - Google Patents

Datenverarbeitungssystem mit veraenderbarer ein/ausgabe-prioritaetswahl.

Info

Publication number
DE3783061D1
DE3783061D1 DE8787302190T DE3783061T DE3783061D1 DE 3783061 D1 DE3783061 D1 DE 3783061D1 DE 8787302190 T DE8787302190 T DE 8787302190T DE 3783061 T DE3783061 T DE 3783061T DE 3783061 D1 DE3783061 D1 DE 3783061D1
Authority
DE
Germany
Prior art keywords
changeable
data processing
processing system
priority choice
choice
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
DE8787302190T
Other languages
English (en)
Other versions
DE3783061T2 (de
Inventor
William T Fuller
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Tandem Computers Inc
Original Assignee
Tandem Computers Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Tandem Computers Inc filed Critical Tandem Computers Inc
Publication of DE3783061D1 publication Critical patent/DE3783061D1/de
Application granted granted Critical
Publication of DE3783061T2 publication Critical patent/DE3783061T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F13/00—Interconnection of, or transfer of information or other signals between, memories, input/output devices or central processing units
    • G06F13/14—Handling requests for interconnection or transfer
    • G06F13/20—Handling requests for interconnection or transfer for access to input/output bus
    • G06F13/22—Handling requests for interconnection or transfer for access to input/output bus using successive scanning, e.g. polling
    • G06F13/225—Handling requests for interconnection or transfer for access to input/output bus using successive scanning, e.g. polling with priority control

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Small-Scale Networks (AREA)
  • Bus Control (AREA)
  • Computer And Data Communications (AREA)
DE8787302190T 1986-03-26 1987-03-13 Datenverarbeitungssystem mit veraenderbarer ein/ausgabe-prioritaetswahl. Expired - Fee Related DE3783061T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/844,911 US4809164A (en) 1986-03-26 1986-03-26 Processor controlled modifying of tabled input/output priority

Publications (2)

Publication Number Publication Date
DE3783061D1 true DE3783061D1 (de) 1993-01-28
DE3783061T2 DE3783061T2 (de) 1993-04-15

Family

ID=25293949

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8787302190T Expired - Fee Related DE3783061T2 (de) 1986-03-26 1987-03-13 Datenverarbeitungssystem mit veraenderbarer ein/ausgabe-prioritaetswahl.

Country Status (5)

Country Link
US (1) US4809164A (de)
EP (1) EP0239298B1 (de)
JP (1) JPH0640644B2 (de)
AU (1) AU587687B2 (de)
DE (1) DE3783061T2 (de)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5203007A (en) * 1988-12-30 1993-04-13 International Business Machines Corporation Overriding programmable priority and selective blocking in a computer system
US5311461A (en) * 1988-12-30 1994-05-10 International Business Machines Corp. Programmable priority and selective blocking in a compute system
US5088024A (en) * 1989-01-31 1992-02-11 Wisconsin Alumni Research Foundation Round-robin protocol method for arbitrating access to a shared bus arbitration providing preference to lower priority units after bus access by a higher priority unit
US5201055A (en) * 1989-11-03 1993-04-06 Compaq Computer Corporation Multiprocessing system includes interprocessor encoding and decoding logic used for communication between two cards through reduced addressing lines
KR940002905B1 (en) * 1989-12-15 1994-04-07 Ibm Apparatus for conditioning priority arbitration in buffered direct memory addressing
EP0545482B1 (de) * 1991-12-04 1998-06-24 Koninklijke Philips Electronics N.V. Arbiter mit einer gleichmässig verteilten Architektur
JPH06187178A (ja) * 1992-12-18 1994-07-08 Hitachi Ltd 仮想計算機システムの入出力割込み制御方法
JPH0749790A (ja) * 1993-06-01 1995-02-21 Matsushita Electric Ind Co Ltd プロセッサにおける割り込み制御方法及び割り込み制御回路
US5937205A (en) * 1995-12-06 1999-08-10 International Business Machines Corporation Dynamic queue prioritization by modifying priority value based on queue's level and serving less than a maximum number of requests per queue
GB9724030D0 (en) * 1997-11-13 1998-01-14 Advanced Telecommunications Mo Peripheral servicing
US6434649B1 (en) * 1998-10-14 2002-08-13 Hitachi, Ltd. Data streamer
JP3488157B2 (ja) * 1999-12-13 2004-01-19 大日本スクリーン製造株式会社 印刷システム、サーバーコントローラ、ユニットコントローラ
JP2002116787A (ja) * 2000-07-10 2002-04-19 Matsushita Electric Ind Co Ltd 優先順位決定装置、優先順位決定方法及び優先順位決定プログラム
US7508780B2 (en) * 2002-01-18 2009-03-24 Nortel Networks Limited Method and system for priority-based state transition for high speed data transmission and wireless access networks
US20050198425A1 (en) * 2004-03-05 2005-09-08 Wang Liang-Yun Combined optical storage and flash card reader using single ide or sata port and method thereof
US7660917B2 (en) * 2006-03-02 2010-02-09 International Business Machines Corporation System and method of implementing multiple internal virtual channels based on a single external virtual channel
JP4839155B2 (ja) * 2006-08-31 2011-12-21 富士通セミコンダクター株式会社 アクセス調停装置およびアクセス調停方法

Family Cites Families (26)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3723973A (en) * 1970-09-30 1973-03-27 Honeywell Inf Systems Data communication controller having dual scanning
GB1397438A (en) * 1971-10-27 1975-06-11 Ibm Data processing system
US3949369A (en) * 1974-01-23 1976-04-06 Data General Corporation Memory access technique
US4400771A (en) * 1975-12-04 1983-08-23 Tokyo Shibaura Electric Co., Ltd. Multi-processor system with programmable memory-access priority control
JPS5295133A (en) * 1976-02-06 1977-08-10 Mitsubishi Electric Corp Buss occupation demand adjusting system
US4038642A (en) * 1976-04-30 1977-07-26 International Business Machines Corporation Input/output interface logic for concurrent operations
US4156796A (en) * 1977-11-29 1979-05-29 International Business Machines Corporation Programmable data processing communications multiplexer
US4188665A (en) * 1977-11-29 1980-02-12 International Business Machines Corporation Programmable communications subsystem
AU526820B2 (en) * 1978-10-25 1983-02-03 Honeywell Inc. Security system
US4484271A (en) * 1979-01-31 1984-11-20 Honeywell Information Systems Inc. Microprogrammed system having hardware interrupt apparatus
US4232294A (en) * 1979-04-30 1980-11-04 Control Data Corporation Method and apparatus for rotating priorities between stations sharing a communication channel
US4371932A (en) * 1979-07-30 1983-02-01 International Business Machines Corp. I/O Controller for transferring data between a host processor and multiple I/O units
US4489385A (en) * 1979-10-30 1984-12-18 General Electric Company Method and apparatus for controlling distributed electrical loads
CA1162315A (en) * 1980-07-11 1984-02-14 Venu Chari Message protocol module
US4405981A (en) * 1980-09-29 1983-09-20 Honeywell Information Systems Inc. Communication multiplexer having an apparatus for establishing a single line priority
US4412285A (en) * 1981-04-01 1983-10-25 Teradata Corporation Multiprocessor intercommunication system and method
JPS57211630A (en) * 1981-06-24 1982-12-25 Fujitsu Ltd Channel scanning system
US4463445A (en) * 1982-01-07 1984-07-31 Bell Telephone Laboratories, Incorporated Circuitry for allocating access to a demand-shared bus
JPS58151743A (ja) * 1982-03-05 1983-09-09 Hitachi Ltd ポ−リング方式
US4543629A (en) * 1982-04-29 1985-09-24 Honeywell Information Systems Inc. Apparatus for maximizing bus utilization
US4591967A (en) * 1982-06-29 1986-05-27 Andover Controls Corporation Distributed drum emulating programmable controller system
JPS5991527A (ja) * 1982-11-17 1984-05-26 Hitachi Ltd バス優先制御方式
MX154710A (es) * 1982-12-20 1987-12-02 Ibm Mejoras en un sistema de arbitraje para establecer interconexiones entre una pluralidad de unidades de barra colectora sobre una barra colectora comun,en ciclos sucesivos,para sistemas de procedimiento de datos
JPS59132257A (ja) * 1983-01-19 1984-07-30 Nec Corp 共通バス情報転送方式
US4675812A (en) * 1983-02-14 1987-06-23 International Business Machines Corp. Priority circuit for channel subsystem having components with diverse and changing requirement for system resources
US4648065A (en) * 1984-07-12 1987-03-03 Sperry Corporation Modified snapshot priority enabling two requestors to share a single memory port

Also Published As

Publication number Publication date
EP0239298B1 (de) 1992-12-16
EP0239298A2 (de) 1987-09-30
DE3783061T2 (de) 1993-04-15
US4809164A (en) 1989-02-28
JPS62235839A (ja) 1987-10-16
AU587687B2 (en) 1989-08-24
JPH0640644B2 (ja) 1994-05-25
AU6979187A (en) 1987-10-01
EP0239298A3 (en) 1989-10-18

Similar Documents

Publication Publication Date Title
DE3789757D1 (de) Datenübertragungsanlage.
DE3751187D1 (de) Büroautomatisierungssystem mit integrierter Bildverwaltung.
DE3787127D1 (de) Datenanzeigesystem.
DE3681609D1 (de) Datenverarbeitungssystem mit abstimmbarem betriebssystem.
DE3750625D1 (de) Datenverarbeitungssystem mit zwei Ausführungseinheiten.
DE3788280D1 (de) Optisches datensystem mit doppelbündel.
DE3780531D1 (de) Datenverarbeitungsvorrichtung mit energiesparender taktvorrichtung.
DE3751356D1 (de) Informationsverarbeitungssystem.
DE3787494D1 (de) Datenübertragungssteuerungssystem.
DE3671557D1 (de) Datenverarbeitungsanlage.
DE3688022D1 (de) Datenverarbeitungsanlage.
DE3689519D1 (de) Hierarchisches datenverarbeitungssystem.
DE3585205D1 (de) Datenverarbeitungssystem mit vorausschausteuerung.
DE3750948D1 (de) Datenverarbeitungssystem mit watch-dog Schaltung.
DE3751005D1 (de) Datenübertragungssystem mit Mehrfachausnützung.
FI865218A (fi) Databehandlingssystem.
DE3688824D1 (de) Datenverarbeitungssystem.
DE3689595D1 (de) Datenverarbeitungssystem.
DE3750949D1 (de) Datenverarbeitungssystem mit watch-dog Schaltung.
DE3783061D1 (de) Datenverarbeitungssystem mit veraenderbarer ein/ausgabe-prioritaetswahl.
DE3674307D1 (de) Datenverarbeitungsanlage.
DE3672605D1 (de) Datenverarbeitungssystem mit einer vorabrufschaltung.
DE3688232D1 (de) Datenverarbeitungssystem.
DE3867879D1 (de) Pipeline-system mit paralleler datenidentifizierung.
DE3750702D1 (de) Datenverarbeitungssystem.

Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee