SG67992G - Computer system with direct memory access channel arbitration - Google Patents

Computer system with direct memory access channel arbitration

Info

Publication number
SG67992G
SG67992G SG67992A SG67992A SG67992G SG 67992 G SG67992 G SG 67992G SG 67992 A SG67992 A SG 67992A SG 67992 A SG67992 A SG 67992A SG 67992 G SG67992 G SG 67992G
Authority
SG
Singapore
Prior art keywords
computer system
memory access
access channel
direct memory
channel arbitration
Prior art date
Application number
SG67992A
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
Application filed by Ibm filed Critical Ibm
Publication of SG67992G publication Critical patent/SG67992G/en

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR 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
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR 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
    • G06F13/36—Handling requests for interconnection or transfer for access to common bus or bus system
    • G06F13/362—Handling requests for interconnection or transfer for access to common bus or bus system with centralised access control
    • G06F13/3625—Handling requests for interconnection or transfer for access to common bus or bus system with centralised access control using a time dependent access
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR 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
    • G06F13/30—Handling requests for interconnection or transfer for access to input/output bus using burst mode transfer, e.g. direct memory access DMA, cycle steal with priority control
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR 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
    • G06F13/36—Handling requests for interconnection or transfer for access to common bus or bus system
    • G06F13/368—Handling requests for interconnection or transfer for access to common bus or bus system with decentralised access control
    • G06F13/374—Handling requests for interconnection or transfer for access to common bus or bus system with decentralised access control using a self-select method with individual priority code comparator

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Bus Control (AREA)
SG67992A 1987-03-27 1992-07-02 Computer system with direct memory access channel arbitration SG67992G (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US3078887A 1987-03-27 1987-03-27

Publications (1)

Publication Number Publication Date
SG67992G true SG67992G (en) 1992-09-04

Family

ID=21856040

Family Applications (1)

Application Number Title Priority Date Filing Date
SG67992A SG67992G (en) 1987-03-27 1992-07-02 Computer system with direct memory access channel arbitration

Country Status (19)

Country Link
EP (1) EP0283580B1 (ja)
JP (1) JPH0724044B2 (ja)
KR (1) KR950008228B1 (ja)
CN (1) CN1012295B (ja)
AR (1) AR244899A1 (ja)
AT (1) ATE75865T1 (ja)
BE (1) BE1001290A4 (ja)
BR (1) BR8800739A (ja)
CA (1) CA1299295C (ja)
DE (1) DE3778877D1 (ja)
ES (1) ES2032288T3 (ja)
FR (1) FR2613096A1 (ja)
GB (1) GB2202975B (ja)
GR (1) GR3004930T3 (ja)
HK (1) HK65392A (ja)
IT (1) IT1217359B (ja)
MY (1) MY103351A (ja)
NL (1) NL185312C (ja)
SG (1) SG67992G (ja)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7089344B1 (en) * 2000-06-09 2006-08-08 Motorola, Inc. Integrated processor platform supporting wireless handheld multi-media devices
JP2010165175A (ja) * 2009-01-15 2010-07-29 Internatl Business Mach Corp <Ibm> バスの使用権を制御する装置および方法

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3603935A (en) * 1969-05-12 1971-09-07 Xerox Corp Memory port priority access system with inhibition of low priority lock-out
IT971304B (it) * 1972-11-29 1974-04-30 Honeywell Inf Systems Sistema di accesso a priorita variabile dinamicamente
US4281381A (en) * 1979-05-14 1981-07-28 Bell Telephone Laboratories, Incorporated Distributed first-come first-served bus allocation apparatus
US4371932A (en) * 1979-07-30 1983-02-01 International Business Machines Corp. I/O Controller for transferring data between a host processor and multiple I/O units

Also Published As

Publication number Publication date
BR8800739A (pt) 1988-10-04
EP0283580B1 (en) 1992-05-06
GB2202975A (en) 1988-10-05
IT1217359B (it) 1990-03-22
CN88100963A (zh) 1988-12-28
GB2202975B (en) 1991-09-25
IT8819946A0 (it) 1988-03-25
KR880011679A (ko) 1988-10-29
JPH0724044B2 (ja) 1995-03-15
JPS63244161A (ja) 1988-10-11
GB8728921D0 (en) 1988-01-27
EP0283580A1 (en) 1988-09-28
NL185312C (nl) 1990-03-01
DE3778877D1 (de) 1992-06-11
KR950008228B1 (ko) 1995-07-26
AR244899A1 (es) 1993-11-30
CA1299295C (en) 1992-04-21
ATE75865T1 (de) 1992-05-15
NL185312B (nl) 1989-10-02
BE1001290A4 (fr) 1989-09-19
MY103351A (en) 1993-06-30
GR3004930T3 (ja) 1993-04-28
ES2032288T3 (es) 1993-02-01
FR2613096A1 (fr) 1988-09-30
NL8800737A (nl) 1988-10-17
HK65392A (en) 1992-09-11
CN1012295B (zh) 1991-04-03

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