CA1078524A - Destination selection apparatus for a bus oriented computer system - Google Patents

Destination selection apparatus for a bus oriented computer system

Info

Publication number
CA1078524A
CA1078524A CA263,608A CA263608A CA1078524A CA 1078524 A CA1078524 A CA 1078524A CA 263608 A CA263608 A CA 263608A CA 1078524 A CA1078524 A CA 1078524A
Authority
CA
Canada
Prior art keywords
local bus
busy
destination
bus adapter
data
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
Application number
CA263,608A
Other languages
English (en)
French (fr)
Inventor
Jack R. Duke
Philip W. Brooks
Robert R. Elzer
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.)
NCR Voyix Corp
Original Assignee
NCR Corp
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 NCR Corp filed Critical NCR Corp
Application granted granted Critical
Publication of CA1078524A publication Critical patent/CA1078524A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; 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
    • G06F13/36—Handling requests for interconnection or transfer for access to common bus or bus system
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; 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
    • G06F13/36—Handling requests for interconnection or transfer for access to common bus or bus system
    • G06F13/362—Handling requests for interconnection or transfer for access to common bus or bus system with centralised access control
    • G06F13/364—Handling requests for interconnection or transfer for access to common bus or bus system with centralised access control using independent requests or grants, e.g. using separated request and grant lines

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Bus Control (AREA)
  • Hardware Redundancy (AREA)
CA263,608A 1975-11-19 1976-10-18 Destination selection apparatus for a bus oriented computer system Expired CA1078524A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/633,345 US4038644A (en) 1975-11-19 1975-11-19 Destination selection apparatus for a bus oriented computer system

Publications (1)

Publication Number Publication Date
CA1078524A true CA1078524A (en) 1980-05-27

Family

ID=24539271

Family Applications (1)

Application Number Title Priority Date Filing Date
CA263,608A Expired CA1078524A (en) 1975-11-19 1976-10-18 Destination selection apparatus for a bus oriented computer system

Country Status (6)

Country Link
US (1) US4038644A (enExample)
JP (1) JPS5936772B2 (enExample)
CA (1) CA1078524A (enExample)
DE (1) DE2652303C2 (enExample)
FR (1) FR2332572A1 (enExample)
GB (1) GB1518565A (enExample)

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US4300194A (en) * 1979-01-31 1981-11-10 Honeywell Information Systems Inc. Data processing system having multiple common buses
US4292623A (en) * 1979-06-29 1981-09-29 International Business Machines Corporation Port logic for a communication bus system
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US4375639A (en) * 1981-01-12 1983-03-01 Harris Corporation Synchronous bus arbiter
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US4493021A (en) * 1981-04-03 1985-01-08 The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration Multicomputer communication system
WO1983001314A1 (en) * 1981-09-29 1983-04-14 Burroughs Corp Conversation bus for a data processing system
EP0075625B1 (en) * 1981-09-29 1986-12-10 BURROUGHS CORPORATION (a Delaware corporation) Conversation bus for a data processing system
GB2117939A (en) * 1982-03-29 1983-10-19 Ncr Co Data communication network and method of communication
US4639860A (en) * 1982-05-12 1987-01-27 Honeywell Information Systems Inc. Wrap-around logic for interprocessor communications
US4563774A (en) * 1982-10-25 1986-01-07 At&T Bell Laboratories Address coded communication system
DE3407870C1 (de) * 1984-03-02 1985-08-14 Nixdorf Computer Ag, 4790 Paderborn Verfahren und Schaltungsanordnung zum Einleiten einer Datenuebertragungsverbindung
US4639859A (en) * 1984-05-24 1987-01-27 Rca Corporation Priority arbitration logic for a multi-master bus system
GB2162406B (en) * 1984-06-18 1988-03-09 Logica Computer system
US4768145A (en) * 1984-11-28 1988-08-30 Hewlett-Packard Company Bus system
DD248615B1 (de) * 1984-12-27 1990-10-10 Textima Veb K Vorrichtung und verfahren zur steuerung von strickmaschinen
DE3500254C2 (de) * 1985-01-05 1997-01-09 Intel Corp Hochgeschwindigkeits-Parallelbusstruktur und Verfahren zur Datenübertragung
JP2548693B2 (ja) * 1985-03-13 1996-10-30 キヤノン株式会社 シリアルデータ通信方式および装置
IT1184553B (it) * 1985-05-07 1987-10-28 Honeywell Inf Systems Architettura di sistema a piu' processori
US4875158A (en) * 1985-08-14 1989-10-17 Apple Computer, Inc. Method for requesting service by a device which generates a service request signal successively until it is serviced
US4912627A (en) * 1985-08-14 1990-03-27 Apple Computer, Inc. Method for storing a second number as a command address of a first peripheral device and a third number as a command address of a second peripheral device
US4918598A (en) * 1985-08-14 1990-04-17 Apple Computer, Inc. Method for selectively activating and deactivating devices having same first address and different extended addresses
US4910655A (en) * 1985-08-14 1990-03-20 Apple Computer, Inc. Apparatus for transferring signals and data under the control of a host computer
US4796176A (en) 1985-11-15 1989-01-03 Data General Corporation Interrupt handling in a multiprocessor computing system
US4785394A (en) * 1986-09-19 1988-11-15 Datapoint Corporation Fair arbitration technique for a split transaction bus in a multiprocessor computer system
FR2605767B1 (fr) * 1986-10-22 1989-04-28 Olivier Alain Procede de mise en attente d'au moins un materiel de traitement d'informations puis de liaison de celui-ci a un equipement et moyens pour la mise en oeuvre de ce procede
CA1283962C (en) * 1986-12-08 1991-05-07 Gerald F. Youngblood Apparatus and method for communication between host cpu and remote terminal
US4835673A (en) * 1987-04-27 1989-05-30 Ncr Corporation Method and apparatus for sharing resources among multiple processing systems
US5029074A (en) * 1987-06-29 1991-07-02 Digital Equipment Corporation Bus adapter unit for digital processing system
JPS6449196U (enExample) * 1987-09-21 1989-03-27
JPH0786853B2 (ja) * 1988-02-29 1995-09-20 株式会社ピーエフユー バス転送制御方式
IT1227711B (it) * 1988-11-18 1991-05-06 Caluso Torino Sistema multiprocessore di elaborazione dati a risorse distribuite condivise e prevenzione di stallo.
US5414818A (en) * 1990-04-06 1995-05-09 Mti Technology Corporation Method and apparatus for controlling reselection of a bus by overriding a prioritization protocol
DE69118781T2 (de) * 1990-08-31 1996-10-31 Advanced Micro Devices Inc Übertragungssteuerungssystem für einen Rechner und Peripheriegeräte
AU1832295A (en) * 1994-01-25 1995-08-08 Apple Computer, Inc. System and method for coordinating access to a bus
AU1689795A (en) * 1994-01-25 1995-08-08 Apple Computer, Inc. Improved bus protocol using separate clocks for arbitration and data transfer
US5657455A (en) * 1994-09-07 1997-08-12 Adaptec, Inc. Status indicator for a host adapter
US6081860A (en) * 1997-11-20 2000-06-27 International Business Machines Corporation Address pipelining for data transfers
US7054969B1 (en) * 1998-09-18 2006-05-30 Clearspeed Technology Plc Apparatus for use in a computer system
US7194663B2 (en) * 2003-11-18 2007-03-20 Honeywell International, Inc. Protective bus interface and method

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US3710324A (en) * 1970-04-01 1973-01-09 Digital Equipment Corp Data processing system
FR2212963A5 (enExample) * 1972-12-28 1974-07-26 Cit Alcatel
US3940743A (en) * 1973-11-05 1976-02-24 Digital Equipment Corporation Interconnecting unit for independently operable data processing systems

Also Published As

Publication number Publication date
JPS5263638A (en) 1977-05-26
FR2332572B1 (enExample) 1980-04-30
US4038644A (en) 1977-07-26
JPS5936772B2 (ja) 1984-09-05
DE2652303A1 (de) 1977-05-26
GB1518565A (en) 1978-07-19
FR2332572A1 (fr) 1977-06-17
DE2652303C2 (de) 1981-10-08

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