GB1484162A - Data processing systems - Google Patents

Data processing systems

Info

Publication number
GB1484162A
GB1484162A GB48446/74A GB4844674A GB1484162A GB 1484162 A GB1484162 A GB 1484162A GB 48446/74 A GB48446/74 A GB 48446/74A GB 4844674 A GB4844674 A GB 4844674A GB 1484162 A GB1484162 A GB 1484162A
Authority
GB
United Kingdom
Prior art keywords
channel
register
data
count
transfer
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
GB48446/74A
Other languages
English (en)
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.)
Fujitsu Ltd
Fujitsu IT Holdings Inc
Original Assignee
Fujitsu Ltd
Amdahl 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 Fujitsu Ltd, Amdahl Corp filed Critical Fujitsu Ltd
Publication of GB1484162A publication Critical patent/GB1484162A/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
    • G06F13/10—Program control for peripheral devices
    • G06F13/12—Program control for peripheral devices using hardware independent of the central processor, e.g. channel or peripheral processor
    • G06F13/122—Program control for peripheral devices using hardware independent of the central processor, e.g. channel or peripheral processor where hardware performs an I/O function other than control of data transfer

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Bus Control (AREA)
  • Data Exchanges In Wide-Area Networks (AREA)
  • Multi Processors (AREA)
  • Information Retrieval, Db Structures And Fs Structures Therefor (AREA)
GB48446/74A 1973-11-19 1974-11-08 Data processing systems Expired GB1484162A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/417,256 US3936803A (en) 1973-11-19 1973-11-19 Data processing system having a common channel unit with circulating fields

Publications (1)

Publication Number Publication Date
GB1484162A true GB1484162A (en) 1977-09-01

Family

ID=23653208

Family Applications (1)

Application Number Title Priority Date Filing Date
GB48446/74A Expired GB1484162A (en) 1973-11-19 1974-11-08 Data processing systems

Country Status (10)

Country Link
US (1) US3936803A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
JP (1) JPS5646608B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
BE (1) BE822275A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
CA (1) CA1017869A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
DE (1) DE2454613C2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
ES (1) ES432089A1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
FR (1) FR2251863B1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
GB (1) GB1484162A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
IT (1) IT1030810B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
NL (1) NL7414999A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2437252B1 (de) * 1974-08-02 1975-07-10 Ibm Deutschland Gmbh, 7000 Stuttgart Datenverarbeitungsanlage
DE2606295C3 (de) * 1976-02-17 1981-05-27 Siemens AG, 1000 Berlin und 8000 München Anordnung zur Übertragung von Zeichen zwischen über einen Multiplexkanal ansteuerbaren peripheren Einheiten und einem Arbeitsspeicher eines Zentralprozessors
JPS5846734B2 (ja) * 1976-04-30 1983-10-18 富士通株式会社 デ−タ読み書き方式
JPS5325326A (en) * 1976-06-07 1978-03-09 Amdahl Corp Data processing system with plural channel processor
US4110830A (en) * 1977-07-05 1978-08-29 International Business Machines Corporation Channel storage adapter
US4292669A (en) * 1978-02-28 1981-09-29 Burroughs Corporation Autonomous data communications subsystem
US4437157A (en) 1978-07-20 1984-03-13 Sperry Corporation Dynamic subchannel allocation
JPS5677536U (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * 1979-10-26 1981-06-24
CA1180457A (en) * 1981-04-17 1985-01-02 Peter N. Crockett Pipelined control apparatus with multi-process address storage
US4646236A (en) * 1981-04-17 1987-02-24 International Business Machines Corp. Pipelined control apparatus with multi-process address storage
JPS58156706U (ja) * 1982-04-12 1983-10-19 株式会社二進 「てん」圧機
US4604709A (en) * 1983-02-14 1986-08-05 International Business Machines Corp. Channel communicator
DE3744841C2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * 1986-11-19 1990-08-23 Kabushiki Kaisha Toshiba, Kawasaki, Kanagawa, Jp
US5513332A (en) * 1988-05-31 1996-04-30 Extended Systems, Inc. Database management coprocessor for on-the-fly providing data from disk media to all without first storing data in memory therebetween

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3587044A (en) * 1969-07-14 1971-06-22 Ibm Digital communication system
US3680057A (en) * 1970-11-02 1972-07-25 Honeywell Inf Systems Data communications subchannel
US3699530A (en) * 1970-12-30 1972-10-17 Ibm Input/output system with dedicated channel buffering
JPS5143739B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * 1971-10-06 1976-11-24
US3786435A (en) * 1972-12-29 1974-01-15 Gte Information Syst Inc Data transfer apparatus

Also Published As

Publication number Publication date
JPS5646608B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1981-11-04
NL7414999A (nl) 1975-05-21
CA1017869A (en) 1977-09-20
ES432089A1 (es) 1976-11-01
FR2251863B1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1978-09-22
BE822275A (fr) 1975-03-14
DE2454613C2 (de) 1986-01-02
FR2251863A1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1975-06-13
JPS50141233A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1975-11-13
DE2454613A1 (de) 1975-05-28
US3936803A (en) 1976-02-03
IT1030810B (it) 1979-04-10

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PE20 Patent expired after termination of 20 years

Effective date: 19941107