GB1514956A - Computer system - Google Patents

Computer system

Info

Publication number
GB1514956A
GB1514956A GB36622/75A GB3662275A GB1514956A GB 1514956 A GB1514956 A GB 1514956A GB 36622/75 A GB36622/75 A GB 36622/75A GB 3662275 A GB3662275 A GB 3662275A GB 1514956 A GB1514956 A GB 1514956A
Authority
GB
United Kingdom
Prior art keywords
signal
line
peripheral
cpu
request
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
GB36622/75A
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.)
Philips Electronics UK Ltd
Original Assignee
Philips Electronic and Associated Industries 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 Philips Electronic and Associated Industries Ltd filed Critical Philips Electronic and Associated Industries Ltd
Publication of GB1514956A publication Critical patent/GB1514956A/en
Expired legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G06COMPUTING OR CALCULATING; COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F11/00Error detection; Error correction; Monitoring
    • G06F11/07Responding to the occurrence of a fault, e.g. fault tolerance
    • G06F11/14Error detection or correction of the data by redundancy in operation
    • G06F11/1402Saving, restoring, recovering or retrying
    • G06F11/1405Saving, restoring, recovering or retrying at machine instruction level
    • G06F11/141Saving, restoring, recovering or retrying at machine instruction level for bus or memory accesses
    • GPHYSICS
    • G06COMPUTING OR CALCULATING; COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F13/00Interconnection of, or transfer of information or other signals between, memories, input/output devices or central processing units
    • G06F13/14Handling requests for interconnection or transfer
    • G06F13/20Handling requests for interconnection or transfer for access to input/output bus
    • G06F13/24Handling requests for interconnection or transfer for access to input/output bus using interrupt
    • G06F13/26Handling requests for interconnection or transfer for access to input/output bus using interrupt with priority control
    • GPHYSICS
    • G06COMPUTING OR CALCULATING; COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F13/00Interconnection of, or transfer of information or other signals between, memories, input/output devices or central processing units
    • G06F13/38Information transfer, e.g. on bus
    • G06F13/42Bus transfer protocol, e.g. handshake; Synchronisation
    • G06F13/4204Bus transfer protocol, e.g. handshake; Synchronisation on a parallel bus
    • G06F13/4208Bus transfer protocol, e.g. handshake; Synchronisation on a parallel bus being a system bus, e.g. VME bus, Futurebus, Multibus
    • G06F13/4217Bus transfer protocol, e.g. handshake; Synchronisation on a parallel bus being a system bus, e.g. VME bus, Futurebus, Multibus with synchronous protocol

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Quality & Reliability (AREA)
  • Small-Scale Networks (AREA)
  • Bus Control (AREA)
  • Selective Calling Equipment (AREA)
  • Financial Or Insurance-Related Operations Such As Payment And Settlement (AREA)
GB36622/75A 1974-09-07 1975-09-05 Computer system Expired GB1514956A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2442990A DE2442990B2 (de) 1974-09-07 1974-09-07 Rechnersystem mit Peripheriegeräten

Publications (1)

Publication Number Publication Date
GB1514956A true GB1514956A (en) 1978-06-21

Family

ID=5925189

Family Applications (1)

Application Number Title Priority Date Filing Date
GB36622/75A Expired GB1514956A (en) 1974-09-07 1975-09-05 Computer system

Country Status (14)

Country Link
JP (1) JPS5152746A (enrdf_load_stackoverflow)
AT (1) AT353038B (enrdf_load_stackoverflow)
AU (1) AU504399B2 (enrdf_load_stackoverflow)
BE (1) BE833144A (enrdf_load_stackoverflow)
BR (1) BR7505755A (enrdf_load_stackoverflow)
CA (1) CA1041215A (enrdf_load_stackoverflow)
CH (1) CH600433A5 (enrdf_load_stackoverflow)
DE (1) DE2442990B2 (enrdf_load_stackoverflow)
ES (1) ES440781A1 (enrdf_load_stackoverflow)
FR (1) FR2331093A1 (enrdf_load_stackoverflow)
GB (1) GB1514956A (enrdf_load_stackoverflow)
IT (1) IT1042340B (enrdf_load_stackoverflow)
NL (1) NL7510369A (enrdf_load_stackoverflow)
SE (1) SE411598B (enrdf_load_stackoverflow)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS52137222A (en) * 1976-05-12 1977-11-16 Hitachi Ltd Interface system
US4667321A (en) * 1983-11-14 1987-05-19 Tandem Computers Incorporated Input-output multiplexer-demultiplexer communications channel

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3372378A (en) * 1964-04-27 1968-03-05 Ibm Input/output unit switch

Also Published As

Publication number Publication date
AT353038B (de) 1979-10-25
NL7510369A (nl) 1976-03-09
SE7509931L (sv) 1976-03-08
DE2442990B2 (de) 1978-03-23
JPS5152746A (enrdf_load_stackoverflow) 1976-05-10
BR7505755A (pt) 1976-08-03
BE833144A (fr) 1976-03-05
FR2331093B1 (enrdf_load_stackoverflow) 1978-07-28
AU8463875A (en) 1977-03-17
CA1041215A (en) 1978-10-24
FR2331093A1 (fr) 1977-06-03
SE411598B (sv) 1980-01-14
ES440781A1 (es) 1977-04-01
DE2442990A1 (de) 1976-03-25
ATA687875A (de) 1979-03-15
CH600433A5 (enrdf_load_stackoverflow) 1978-06-15
AU504399B2 (en) 1979-10-11
IT1042340B (it) 1980-01-30

Similar Documents

Publication Publication Date Title
US4167041A (en) Status reporting
US3573741A (en) Control unit for input/output devices
US3828325A (en) Universal interface system using a controller to adapt to any connecting peripheral device
EP0121373B1 (en) Multilevel controller for a cache memory interface in a multiprocessing system
GB1063141A (en) Automatic interrupt system for a data processor
US4413328A (en) Storage subsystems employing removable media and having a digital display on each recorder
MY104505A (en) Bus master interface circuit with transparent preemption of a data transfer operation.
US4208715A (en) Dual data processing system
US3996561A (en) Priority determination apparatus for serially coupled peripheral interfaces in a data processing system
GB1119421A (en) Data processing system
US4056847A (en) Priority vector interrupt system
US4896256A (en) Linking interface system using plural controllable bidirectional bus ports for intercommunication amoung split-bus intracommunication subsystems
US4149241A (en) Communications bus monitor
GB1492610A (en) Data equipment for the execution of maintenance operations in an information processing system
EP0057275B1 (en) Digital data storage system
GB1514956A (en) Computer system
US5640570A (en) Information handling system for transmitting contents of line register from asynchronous controller to shadow register in another asynchronous controller determined by shadow register address buffer
US4234955A (en) Parity for computer system having an array of external registers
GB2052813A (en) Interface unit between a computer and a hardcopy output device
JPS5714952A (en) Doubled computer control system
CA1217846A (en) Validity checking arrangement for extended memory mapping of external devices
JPS6112580B2 (enrdf_load_stackoverflow)
GB1445897A (en) System for transfer of data between central units and controlled units
JPH087442Y2 (ja) プログラマブルコントローラの入出力装置
JPS60181957A (ja) アダプタ機番設定方式

Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee