DE3587378T2 - Abtastloser Nachrichtenkonzentrator und Multiplexer. - Google Patents

Abtastloser Nachrichtenkonzentrator und Multiplexer.

Info

Publication number
DE3587378T2
DE3587378T2 DE85109178T DE3587378T DE3587378T2 DE 3587378 T2 DE3587378 T2 DE 3587378T2 DE 85109178 T DE85109178 T DE 85109178T DE 3587378 T DE3587378 T DE 3587378T DE 3587378 T2 DE3587378 T2 DE 3587378T2
Authority
DE
Germany
Prior art keywords
multiplexer
contact message
message concentrator
concentrator
contact
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 - Fee Related
Application number
DE85109178T
Other languages
English (en)
Other versions
DE3587378D1 (de
Inventor
Ronald Julius Cooper
Mario Anthony Marsico
Richard Colbert Matlack
John Carmine Pescatore
Robert Lynn Smith
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.)
International Business Machines Corp
Original Assignee
International Business Machines Corp
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 International Business Machines Corp filed Critical International Business Machines Corp
Publication of DE3587378D1 publication Critical patent/DE3587378D1/de
Application granted granted Critical
Publication of DE3587378T2 publication Critical patent/DE3587378T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • 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
    • G06F11/2205—Detection or location of defective computer hardware by testing during standby operation or during idle time, e.g. start-up testing using arrangements specific to the hardware being tested
    • G06F11/2221—Detection or location of defective computer hardware by testing during standby operation or during idle time, e.g. start-up testing using arrangements specific to the hardware being tested to test input/output devices or peripheral units
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F11/00—Error detection; Error correction; Monitoring
    • 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
    • G06F13/10—Program control for peripheral devices
    • G06F13/12—Program control for peripheral devices using hardware independent of the central processor, e.g. channel or peripheral processor
    • G06F13/124—Program control for peripheral devices using hardware independent of the central processor, e.g. channel or peripheral processor where hardware is a sequential transfer control unit, e.g. microprocessor, peripheral processor or state-machine
    • 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
    • G06F13/24—Handling requests for interconnection or transfer for access to input/output bus using interrupt
    • G06F13/26—Handling requests for interconnection or transfer for access to input/output bus using interrupt 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
    • G06F13/20—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
    • 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
    • G06F13/364—Handling requests for interconnection or transfer for access to common bus or bus system with centralised access control using independent requests or grants, e.g. using separated request and grant lines
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F11/00—Error detection; Error correction; Monitoring
    • G06F11/07—Responding to the occurrence of a fault, e.g. fault tolerance
    • G06F11/08—Error detection or correction by redundancy in data representation, e.g. by using checking codes
    • G06F11/10—Adding special bits or symbols to the coded information, e.g. parity check, casting out 9's or 11's
    • 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
    • G06F11/2205—Detection or location of defective computer hardware by testing during standby operation or during idle time, e.g. start-up testing using arrangements specific to the hardware being tested
    • 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
    • G06F11/2294—Detection or location of defective computer hardware by testing during standby operation or during idle time, e.g. start-up testing by remote test
DE85109178T 1984-08-27 1985-07-23 Abtastloser Nachrichtenkonzentrator und Multiplexer. Expired - Fee Related DE3587378T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/644,889 US4870566A (en) 1984-08-27 1984-08-27 Scannerless message concentrator and communications multiplexer

Publications (2)

Publication Number Publication Date
DE3587378D1 DE3587378D1 (de) 1993-07-08
DE3587378T2 true DE3587378T2 (de) 1993-12-09

Family

ID=24586759

Family Applications (1)

Application Number Title Priority Date Filing Date
DE85109178T Expired - Fee Related DE3587378T2 (de) 1984-08-27 1985-07-23 Abtastloser Nachrichtenkonzentrator und Multiplexer.

Country Status (5)

Country Link
US (1) US4870566A (de)
EP (1) EP0175873B1 (de)
JP (1) JPH0666821B2 (de)
CA (1) CA1231459A (de)
DE (1) DE3587378T2 (de)

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US5276845A (en) * 1988-08-25 1994-01-04 Yamaha Corporation Apparatus with multiple buses for permitting concurrent access to a first memory by a processor while a DMA transfer is occurring between a second memory and a communications buffer
EP0359860A1 (de) * 1988-09-23 1990-03-28 Siemens Aktiengesellschaft Verfahren und Vorrichtung zum Betreiben mindestens einer Gasentladungslampe
CA2008071A1 (en) * 1989-01-27 1990-07-27 Jeffrey S. Watters Pump bus to avoid indeterminacy in reading variable bit field
JPH03122742A (ja) * 1989-10-05 1991-05-24 Oki Electric Ind Co Ltd 割込み通知方式
US5201055A (en) * 1989-11-03 1993-04-06 Compaq Computer Corporation Multiprocessing system includes interprocessor encoding and decoding logic used for communication between two cards through reduced addressing lines
US5247671A (en) * 1990-02-14 1993-09-21 International Business Machines Corporation Scalable schedules for serial communications controller in data processing systems
US5261059A (en) * 1990-06-29 1993-11-09 Digital Equipment Corporation Crossbar interface for data communication network
US5276684A (en) * 1991-07-22 1994-01-04 International Business Machines Corporation High performance I/O processor
CA2078913A1 (en) * 1991-12-12 1993-06-13 John J. Reilly Interprocessor communication system and method for multiprocessor circuitry
US5548762A (en) * 1992-01-30 1996-08-20 Digital Equipment Corporation Implementation efficient interrupt select mechanism
US5327558A (en) * 1992-04-30 1994-07-05 Motorola, Inc. Method for asynchronous application communication
US5797018A (en) * 1995-12-07 1998-08-18 Compaq Computer Corporation Apparatus and method of preventing a deadlock condition in a computer system
US6415392B1 (en) * 1997-12-08 2002-07-02 Ricoh Company, Ltd. Remote diagnosis system and method
GB2338791B (en) 1998-06-22 2002-09-18 Advanced Risc Mach Ltd Apparatus and method for testing master logic units within a data processing apparatus
US6412024B1 (en) * 1998-08-17 2002-06-25 Sigma Designs, Inc. Sound board emulation using digital signal processor
JP3766339B2 (ja) * 2002-03-19 2006-04-12 株式会社リコー 入出力制御装置及びコンピュータシステム
US6854025B2 (en) * 2002-07-08 2005-02-08 Globespanvirata Incorporated DMA scheduling mechanism
US7502873B2 (en) * 2006-10-10 2009-03-10 International Business Machines Corporation Facilitating access to status and measurement data associated with input/output processing
US7500023B2 (en) * 2006-10-10 2009-03-03 International Business Machines Corporation Facilitating input/output processing by using transport control words to reduce input/output communications
US7941570B2 (en) * 2008-02-14 2011-05-10 International Business Machines Corporation Bi-directional data transfer within a single I/O operation
US8117347B2 (en) * 2008-02-14 2012-02-14 International Business Machines Corporation Providing indirect data addressing for a control block at a channel subsystem of an I/O processing system
US8001298B2 (en) * 2008-02-14 2011-08-16 International Business Machines Corporation Providing extended measurement data in an I/O processing system
US8082481B2 (en) * 2008-02-14 2011-12-20 International Business Machines Corporation Multiple CRC insertion in an output data stream
US8214562B2 (en) * 2008-02-14 2012-07-03 International Business Machines Corporation Processing of data to perform system changes in an input/output processing system
US8166206B2 (en) * 2008-02-14 2012-04-24 International Business Machines Corporation Cancel instruction and command for determining the state of an I/O operation
US7908403B2 (en) * 2008-02-14 2011-03-15 International Business Machines Corporation Reserved device access contention reduction
US7937507B2 (en) * 2008-02-14 2011-05-03 International Business Machines Corporation Extended measurement word determination at a channel subsystem of an I/O processing system
US7890668B2 (en) 2008-02-14 2011-02-15 International Business Machines Corporation Providing indirect data addressing in an input/output processing system where the indirect data address list is non-contiguous
US8095847B2 (en) * 2008-02-14 2012-01-10 International Business Machines Corporation Exception condition handling at a channel subsystem in an I/O processing system
US8176222B2 (en) * 2008-02-14 2012-05-08 International Business Machines Corporation Early termination of an I/O operation in an I/O processing system
US8478915B2 (en) 2008-02-14 2013-07-02 International Business Machines Corporation Determining extended capability of a channel path
US7917813B2 (en) * 2008-02-14 2011-03-29 International Business Machines Corporation Exception condition determination at a control unit in an I/O processing system
US8196149B2 (en) * 2008-02-14 2012-06-05 International Business Machines Corporation Processing of data to determine compatability in an input/output processing system
US8108570B2 (en) * 2008-02-14 2012-01-31 International Business Machines Corporation Determining the state of an I/O operation
US7904605B2 (en) * 2008-02-14 2011-03-08 International Business Machines Corporation Computer command and response for determining the state of an I/O operation
US7840718B2 (en) * 2008-02-14 2010-11-23 International Business Machines Corporation Processing of data to suspend operations in an input/output processing log-out system
US9052837B2 (en) * 2008-02-14 2015-06-09 International Business Machines Corporation Processing communication data in a ships passing condition
US7840717B2 (en) * 2008-02-14 2010-11-23 International Business Machines Corporation Processing a variable length device command word at a control unit in an I/O processing system
US8312189B2 (en) * 2008-02-14 2012-11-13 International Business Machines Corporation Processing of data to monitor input/output operations
US7899944B2 (en) * 2008-02-14 2011-03-01 International Business Machines Corporation Open exchange limiting in an I/O processing system
US7937504B2 (en) * 2008-07-31 2011-05-03 International Business Machines Corporation Transport control channel program message pairing
US8055807B2 (en) * 2008-07-31 2011-11-08 International Business Machines Corporation Transport control channel program chain linking including determining sequence order
US7904606B2 (en) * 2008-07-31 2011-03-08 International Business Machines Corporation Transport control channel program chain linked branching
US8332542B2 (en) 2009-11-12 2012-12-11 International Business Machines Corporation Communication with input/output system devices
US8738811B2 (en) 2011-06-01 2014-05-27 International Business Machines Corporation Fibre channel input/output data routing system and method
US8583988B2 (en) 2011-06-01 2013-11-12 International Business Machines Corporation Fibre channel input/output data routing system and method
US9021155B2 (en) 2011-06-01 2015-04-28 International Business Machines Corporation Fibre channel input/output data routing including discarding of data transfer requests in response to error detection
US8364854B2 (en) 2011-06-01 2013-01-29 International Business Machines Corporation Fibre channel input/output data routing system and method
US8677027B2 (en) 2011-06-01 2014-03-18 International Business Machines Corporation Fibre channel input/output data routing system and method
US8364853B2 (en) 2011-06-01 2013-01-29 International Business Machines Corporation Fibre channel input/output data routing system and method
US8549185B2 (en) 2011-06-30 2013-10-01 International Business Machines Corporation Facilitating transport mode input/output operations between a channel subsystem and input/output devices
US8312176B1 (en) 2011-06-30 2012-11-13 International Business Machines Corporation Facilitating transport mode input/output operations between a channel subsystem and input/output devices
US8346978B1 (en) 2011-06-30 2013-01-01 International Business Machines Corporation Facilitating transport mode input/output operations between a channel subsystem and input/output devices
US8473641B2 (en) 2011-06-30 2013-06-25 International Business Machines Corporation Facilitating transport mode input/output operations between a channel subsystem and input/output devices
US8918542B2 (en) 2013-03-15 2014-12-23 International Business Machines Corporation Facilitating transport mode data transfer between a channel subsystem and input/output devices
US8990439B2 (en) 2013-05-29 2015-03-24 International Business Machines Corporation Transport mode data transfer between a channel subsystem and input/output devices

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Also Published As

Publication number Publication date
CA1231459A (en) 1988-01-12
JPS6155761A (ja) 1986-03-20
JPH0666821B2 (ja) 1994-08-24
US4870566A (en) 1989-09-26
EP0175873B1 (de) 1993-06-02
EP0175873A2 (de) 1986-04-02
DE3587378D1 (de) 1993-07-08
EP0175873A3 (en) 1988-08-17

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee