GB1485758A - Computer systems - Google Patents

Computer systems

Info

Publication number
GB1485758A
GB1485758A GB3866373A GB3866373A GB1485758A GB 1485758 A GB1485758 A GB 1485758A GB 3866373 A GB3866373 A GB 3866373A GB 3866373 A GB3866373 A GB 3866373A GB 1485758 A GB1485758 A GB 1485758A
Authority
GB
United Kingdom
Prior art keywords
buses
bus
interfaces
memory
access
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
GB3866373A
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.)
Hawker Siddeley Dynamics Ltd
Original Assignee
Hawker Siddeley Dynamics Ltd
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 Hawker Siddeley Dynamics Ltd filed Critical Hawker Siddeley Dynamics Ltd
Priority to GB3866373A priority Critical patent/GB1485758A/en
Priority to DE19742443749 priority patent/DE2443749A1/de
Priority to NL7412109A priority patent/NL7412109A/xx
Priority to DK483574A priority patent/DK483574A/da
Priority to FR7430995A priority patent/FR2244208A1/fr
Priority to SE7411574A priority patent/SE7411574L/
Publication of GB1485758A publication Critical patent/GB1485758A/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
    • G06F13/16—Handling requests for interconnection or transfer for access to memory bus
    • G06F13/18—Handling requests for interconnection or transfer for access to memory bus based on priority control
    • 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
    • G06F13/20—Handling requests for interconnection or transfer for access to input/output bus
    • G06F13/28—Handling requests for interconnection or transfer for access to input/output bus using burst mode transfer, e.g. direct memory access DMA, cycle steal

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Multi Processors (AREA)
  • Bus Control (AREA)
GB3866373A 1973-09-16 1973-09-16 Computer systems Expired GB1485758A (en)

Priority Applications (6)

Application Number Priority Date Filing Date Title
GB3866373A GB1485758A (en) 1973-09-16 1973-09-16 Computer systems
DE19742443749 DE2443749A1 (de) 1973-09-16 1974-09-10 Computer-speichersystem mit einer speichereinheit
NL7412109A NL7412109A (nl) 1973-09-16 1974-09-12 Geheugenstelsel voor een rekentuig.
DK483574A DK483574A (enExample) 1973-09-16 1974-09-13
FR7430995A FR2244208A1 (enExample) 1973-09-16 1974-09-13
SE7411574A SE7411574L (enExample) 1973-09-16 1974-09-13

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB3866373A GB1485758A (en) 1973-09-16 1973-09-16 Computer systems

Publications (1)

Publication Number Publication Date
GB1485758A true GB1485758A (en) 1977-09-14

Family

ID=10404901

Family Applications (1)

Application Number Title Priority Date Filing Date
GB3866373A Expired GB1485758A (en) 1973-09-16 1973-09-16 Computer systems

Country Status (6)

Country Link
DE (1) DE2443749A1 (enExample)
DK (1) DK483574A (enExample)
FR (1) FR2244208A1 (enExample)
GB (1) GB1485758A (enExample)
NL (1) NL7412109A (enExample)
SE (1) SE7411574L (enExample)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5307468A (en) * 1989-08-23 1994-04-26 Digital Equipment Corporation Data processing system and method for controlling the latter as well as a CPU board

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4212057A (en) * 1976-04-22 1980-07-08 General Electric Company Shared memory multi-microprocessor computer system
GB2056135B (en) * 1977-12-22 1982-11-24 Honeywell Inf Systems Data processing system including a cache store
US4528626A (en) * 1984-03-19 1985-07-09 International Business Machines Corporation Microcomputer system with bus control means for peripheral processing devices
CA2039715A1 (en) * 1989-08-23 1991-02-24 Thomas Schlage Data processing system and process for controlling it and cpu boards

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5307468A (en) * 1989-08-23 1994-04-26 Digital Equipment Corporation Data processing system and method for controlling the latter as well as a CPU board

Also Published As

Publication number Publication date
DK483574A (enExample) 1975-06-02
SE7411574L (enExample) 1975-03-17
DE2443749A1 (de) 1975-05-28
FR2244208A1 (enExample) 1975-04-11
NL7412109A (nl) 1975-03-18

Similar Documents

Publication Publication Date Title
US5359717A (en) Microprocessor arranged to access a non-multiplexed interface or a multiplexed peripheral interface
GB1026890A (en) Computer organization
GB1108540A (en) Process back-up system
GB1394431A (en) Multiprocessor data processing system
GB1366402A (en) Inhibit gate with applications
IE36763B1 (en) Data processing system
GB1449391A (en) Multirequest grouping computer interface
ES481312A1 (es) Un aparato para compartir medios de memoria en un sistema que incluye tambien una pluralidad de medios de tratamiento de datos.
GB1418708A (en) Data processing systems
AU6394686A (en) Interrupt handling in a multiprocessor computing system
GB1077339A (en) Control device for a data processor
GB1148262A (en) Digital computing system
GB1485758A (en) Computer systems
US4756013A (en) Multi-function counter/timer and computer system embodying the same
GB1010179A (en) Data processing system
GB1453723A (en) Computer memories
GB1437985A (enExample)
GB1170587A (en) Data Processing System
GB1332031A (en) Information processing systems
GB1457030A (en) Data processing system
GB1137784A (en) Data processing system with improved memory
GB1190473A (en) Improvements in and relating to Computer Systems.
KR850700166A (ko) 컴퓨터 시스템의 또는 그에 관한 개량
GB1520484A (en) Data processing system
EP0391537A2 (en) Lock converting bus-to-bus interface system

Legal Events

Date Code Title Description
PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee