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IT1115287B - Apparecchiatura di elaborazione dei dati perfezionata - Google Patents

Apparecchiatura di elaborazione dei dati perfezionata

Info

Publication number
IT1115287B
IT1115287B IT2219277A IT2219277A IT1115287B IT 1115287 B IT1115287 B IT 1115287B IT 2219277 A IT2219277 A IT 2219277A IT 2219277 A IT2219277 A IT 2219277A IT 1115287 B IT1115287 B IT 1115287B
Authority
IT
Italy
Prior art keywords
data processing
processing equipment
improved data
improved
equipment
Prior art date
Application number
IT2219277A
Other languages
English (en)
Original Assignee
Ibm
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
Priority claimed from US05/682,228 external-priority patent/US4053950A/en
Priority claimed from US05/682,229 external-priority patent/US4038642A/en
Priority claimed from US05/681,983 external-priority patent/US4038641A/en
Application filed by Ibm filed Critical Ibm
Application granted granted Critical
Publication of IT1115287B publication Critical patent/IT1115287B/it

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
    • G06F13/20—Handling requests for interconnection or transfer for access to input/output bus
    • G06F13/32—Handling requests for interconnection or transfer for access to input/output bus using combination of interrupt and burst mode transfer
    • G06F13/34—Handling requests for interconnection or transfer for access to input/output bus using combination of interrupt and burst mode transfer with priority control

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Bus Control (AREA)
IT2219277A 1976-04-30 1977-04-07 Apparecchiatura di elaborazione dei dati perfezionata IT1115287B (it)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US05/682,228 US4053950A (en) 1976-04-30 1976-04-30 Residual status reporting during chained cycle steal input/output operations
US05/682,229 US4038642A (en) 1976-04-30 1976-04-30 Input/output interface logic for concurrent operations
US05/681,983 US4038641A (en) 1976-04-30 1976-04-30 Common polling logic for input/output interrupt or cycle steal data transfer requests

Publications (1)

Publication Number Publication Date
IT1115287B true IT1115287B (it) 1986-02-03

Family

ID=27418392

Family Applications (1)

Application Number Title Priority Date Filing Date
IT2219277A IT1115287B (it) 1976-04-30 1977-04-07 Apparecchiatura di elaborazione dei dati perfezionata

Country Status (2)

Country Link
FR (1) FR2349883B1 (it)
IT (1) IT1115287B (it)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4144565A (en) * 1977-01-06 1979-03-13 International Business Machines Corporation Input/output interface connector circuit for repowering and isolation

Also Published As

Publication number Publication date
FR2349883A1 (fr) 1977-11-25
FR2349883B1 (fr) 1986-01-31

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