GB1350864A - Data processing systems - Google Patents

Data processing systems

Info

Publication number
GB1350864A
GB1350864A GB335872A GB335872A GB1350864A GB 1350864 A GB1350864 A GB 1350864A GB 335872 A GB335872 A GB 335872A GB 335872 A GB335872 A GB 335872A GB 1350864 A GB1350864 A GB 1350864A
Authority
GB
United Kingdom
Prior art keywords
processor
control
control unit
program
diagnosis
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
GB335872A
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.)
Siemens AG
Original Assignee
Siemens AG
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 Siemens AG filed Critical Siemens AG
Publication of GB1350864A publication Critical patent/GB1350864A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L43/00—Arrangements for monitoring or testing data switching networks
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F11/00—Error detection; Error correction; Monitoring
    • G06F11/22—Detection or location of defective computer hardware by testing during standby operation or during idle time, e.g. start-up testing
    • G06F11/26—Functional testing
    • G06F11/273—Tester hardware, i.e. output processing circuits
    • G06F11/2736—Tester hardware, i.e. output processing circuits using a dedicated service processor for test
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F15/00—Digital computers in general; Data processing equipment in general
    • G06F15/16—Combinations of two or more digital computers each having at least an arithmetic unit, a program unit and a register, e.g. for a simultaneous processing of several programs
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q3/00—Selecting arrangements
    • H04Q3/42—Circuit arrangements for indirect selecting controlled by common circuits, e.g. register controller, marker
    • H04Q3/54—Circuit arrangements for indirect selecting controlled by common circuits, e.g. register controller, marker in which the logic circuitry controlling the exchange is centralised
    • H04Q3/545—Circuit arrangements for indirect selecting controlled by common circuits, e.g. register controller, marker in which the logic circuitry controlling the exchange is centralised using a stored programme
    • H04Q3/54541—Circuit arrangements for indirect selecting controlled by common circuits, e.g. register controller, marker in which the logic circuitry controlling the exchange is centralised using a stored programme using multi-processor systems
    • H04Q3/54558—Redundancy, stand-by

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Computer Hardware Design (AREA)
  • General Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Quality & Reliability (AREA)
  • Software Systems (AREA)
  • Signal Processing (AREA)
  • Hardware Redundancy (AREA)
  • Multi Processors (AREA)
  • Test And Diagnosis Of Digital Computers (AREA)

Abstract

1350864 Data processor SIEMENS AG 25 Jan 1972 [29 Jan 1971] 3358/72 Heading G4A A data processing system contains two data processors each controlled by a respective program from unit PL1, PL2 and a link connects the processors so that a diagnostic program from one may control a search for faults in the other. Each processor contains subsidiary devices such as calculator RW, working register AR, storage control device SS and memory SP, input/output device EA coupled to peripherals PE and a program interrupt device PU, coupled together via a data distributor line DL and controlled via a line SL coupled to the control unit. Each processor also contains a control and monitoring device BW and a diagnosis link DA. The control and data distributer lines and control unit PL are connected to their respective diagnosis link and the control unit and the diagnosis link of one processor are connected respectively to the diagnosis link and the control unit of the other processor, the connections allowing two way transfer. Each diagnosis link contains registers and a comparator, the register holding control words supplied by the control unit of the other processor and the comparator acting to stop a control program if a result obtained from its processor does not agree with a result calculated by the diagnosis program from the other processor.
GB335872A 1971-01-29 1972-01-25 Data processing systems Expired GB1350864A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2104298A DE2104298C3 (en) 1971-01-29 1971-01-29 Arrangement of two data processing systems, each controlled by a program control unit

Publications (1)

Publication Number Publication Date
GB1350864A true GB1350864A (en) 1974-04-24

Family

ID=5797325

Family Applications (1)

Application Number Title Priority Date Filing Date
GB335872A Expired GB1350864A (en) 1971-01-29 1972-01-25 Data processing systems

Country Status (10)

Country Link
AT (1) AT315536B (en)
BE (1) BE778652A (en)
CH (1) CH548064A (en)
DE (1) DE2104298C3 (en)
FR (1) FR2124698A5 (en)
GB (1) GB1350864A (en)
IT (1) IT946939B (en)
LU (1) LU64669A1 (en)
NL (1) NL7201113A (en)
SE (1) SE369633B (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2350371C3 (en) * 1973-10-08 1981-03-26 IBM Deutschland GmbH, 70569 Stuttgart Method and device for testing and maintenance of data processing systems by means of spatially distant maintenance stations
US4149244A (en) * 1976-06-07 1979-04-10 Amdahl Corporation Data processing system including a program-executing secondary system controlling a program-executing primary system
DE2647137C2 (en) * 1976-10-19 1983-11-10 Siemens AG, 1000 Berlin und 8000 München Arrangement of two data processing systems that process the same information
DE2733921C3 (en) * 1977-07-27 1981-03-26 Siemens AG, 1000 Berlin und 8000 München Circuit arrangement for an indirectly controlled switching system, in particular telephone switching system
DE2826063A1 (en) * 1978-06-14 1979-12-20 Siemens Ag INDIRECTLY CONTROLLED SWITCHING SYSTEM WITH TIME CHANNEL LINKS, IN PARTICULAR TELEPHONE SWITCHING SYSTEM

Also Published As

Publication number Publication date
FR2124698A5 (en) 1972-09-22
NL7201113A (en) 1972-08-01
SE369633B (en) 1974-09-09
IT946939B (en) 1973-05-21
DE2104298C3 (en) 1974-01-10
CH548064A (en) 1974-04-11
LU64669A1 (en) 1972-06-26
AT315536B (en) 1974-05-27
DE2104298A1 (en) 1972-08-10
DE2104298B2 (en) 1973-06-14
BE778652A (en) 1972-07-28

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Legal Events

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