DE2965204D1 - Maintenance interface device for a data processing installation with a central processing unit and with a service processor, and process for its operation - Google Patents

Maintenance interface device for a data processing installation with a central processing unit and with a service processor, and process for its operation

Info

Publication number
DE2965204D1
DE2965204D1 DE7979103610T DE2965204T DE2965204D1 DE 2965204 D1 DE2965204 D1 DE 2965204D1 DE 7979103610 T DE7979103610 T DE 7979103610T DE 2965204 T DE2965204 T DE 2965204T DE 2965204 D1 DE2965204 D1 DE 2965204D1
Authority
DE
Germany
Prior art keywords
processing unit
central processing
service processor
maintenance interface
interface device
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
DE7979103610T
Other languages
English (en)
Inventor
Neil Clair Berglund
James Robert Nieling
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
Application granted granted Critical
Publication of DE2965204D1 publication Critical patent/DE2965204D1/de
Expired legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F11/00Error detection; Error correction; Monitoring
    • G06F11/22Detection or location of defective computer hardware by testing during standby operation or during idle time, e.g. start-up testing
    • G06F11/26Functional testing
    • G06F11/273Tester hardware, i.e. output processing circuits
    • G06F11/2733Test interface between tester and unit under test
DE7979103610T 1978-10-23 1979-09-24 Maintenance interface device for a data processing installation with a central processing unit and with a service processor, and process for its operation Expired DE2965204D1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/953,673 US4268902A (en) 1978-10-23 1978-10-23 Maintenance interface for a service processor-central processing unit computer system

Publications (1)

Publication Number Publication Date
DE2965204D1 true DE2965204D1 (en) 1983-05-19

Family

ID=25494374

Family Applications (1)

Application Number Title Priority Date Filing Date
DE7979103610T Expired DE2965204D1 (en) 1978-10-23 1979-09-24 Maintenance interface device for a data processing installation with a central processing unit and with a service processor, and process for its operation

Country Status (5)

Country Link
US (1) US4268902A (de)
EP (1) EP0010194B1 (de)
JP (1) JPS5832416B2 (de)
DE (1) DE2965204D1 (de)
IT (1) IT1165347B (de)

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US4819166A (en) * 1983-08-31 1989-04-04 Amdahl Corporation Multimode scan apparatus
US5032783A (en) * 1985-10-23 1991-07-16 Texas Instruments Incorporated Test circuit and scan tested logic device with isolated data lines during testing
US5329471A (en) * 1987-06-02 1994-07-12 Texas Instruments Incorporated Emulation devices, systems and methods utilizing state machines
US6522985B1 (en) 1989-07-31 2003-02-18 Texas Instruments Incorporated Emulation devices, systems and methods utilizing state machines
US6085336A (en) * 1987-06-02 2000-07-04 Texas Instruments Incorporated Data processing devices, systems and methods with mode driven stops
EP0306211A3 (de) * 1987-09-04 1990-09-26 Digital Equipment Corporation Synchronisiertes Doppelrechnersystem
US5684721A (en) * 1987-09-04 1997-11-04 Texas Instruments Incorporated Electronic systems and emulation and testing devices, cables, systems and methods
US5535331A (en) * 1987-09-04 1996-07-09 Texas Instruments Incorporated Processor condition sensing circuits, systems and methods
US5185877A (en) * 1987-09-04 1993-02-09 Digital Equipment Corporation Protocol for transfer of DMA data
JPH0831074B2 (ja) * 1987-11-25 1996-03-27 株式会社日立製作所 チャネル制御方式
US5129078A (en) * 1988-08-19 1992-07-07 Groves Stanley E Dedicated service processor with inter-channel communication features
US6304987B1 (en) * 1995-06-07 2001-10-16 Texas Instruments Incorporated Integrated test circuit
JP2782361B2 (ja) * 1988-09-15 1998-07-30 株式会社デンソー 衝突検知装置
JPH02151926A (ja) * 1988-12-02 1990-06-11 Fujitsu Ltd 端末装置切替方式
JP3005250B2 (ja) * 1989-06-30 2000-01-31 テキサス インスツルメンツ インコーポレイテツド バスモニター集積回路
US5805792A (en) * 1989-07-31 1998-09-08 Texas Instruments Incorporated Emulation devices, systems, and methods
US5163138A (en) * 1989-08-01 1992-11-10 Digital Equipment Corporation Protocol for read write transfers via switching logic by transmitting and retransmitting an address
US5251227A (en) * 1989-08-01 1993-10-05 Digital Equipment Corporation Targeted resets in a data processor including a trace memory to store transactions
US5153881A (en) * 1989-08-01 1992-10-06 Digital Equipment Corporation Method of handling errors in software
US5068780A (en) * 1989-08-01 1991-11-26 Digital Equipment Corporation Method and apparatus for controlling initiation of bootstrap loading of an operating system in a computer system having first and second discrete computing zones
US4972414A (en) * 1989-11-13 1990-11-20 International Business Machines Corporation Method and apparatus for detecting oscillator stuck faults in a level sensitive scan design (LSSD) system
US5079725A (en) * 1989-11-17 1992-01-07 Ibm Corporation Chip identification method for use with scan design systems and scan testing techniques
US5185745A (en) * 1990-05-14 1993-02-09 Prime Computer, Inc. Scan path diagnostic method
AU1893392A (en) * 1991-05-03 1992-12-21 Storage Technology Corporation Knowledge based resource management
US5390332A (en) * 1992-09-15 1995-02-14 Sun Microsystems, Inc. Method and apparatus for performing a takeover of a microprocessor
JP3563750B2 (ja) * 1992-10-16 2004-09-08 テキサス インスツルメンツ インコーポレイテツド アナログ回路のための走査に基づく試験
US6101457A (en) * 1992-10-29 2000-08-08 Texas Instruments Incorporated Test access port
JPH08314846A (ja) * 1995-05-23 1996-11-29 Kofu Nippon Denki Kk 一実装位置に多種装置接続可能な情報処理システム
US5964863A (en) * 1996-04-15 1999-10-12 Motorola, Inc. Method and apparatus for providing pipe fullness information external to a data processing system
US6408413B1 (en) 1998-02-18 2002-06-18 Texas Instruments Incorporated Hierarchical access of test access ports in embedded core integrated circuits
US6405335B1 (en) 1998-02-25 2002-06-11 Texas Instruments Incorporated Position independent testing of circuits
US6282600B1 (en) * 1998-08-14 2001-08-28 International Business Machines Corporation Method and apparatus of resolving conflicting register access requests from a service processor and system processor
US7058862B2 (en) 2000-05-26 2006-06-06 Texas Instruments Incorporated Selecting different 1149.1 TAP domains from update-IR state
US6728915B2 (en) 2000-01-10 2004-04-27 Texas Instruments Incorporated IC with shared scan cells selectively connected in scan path
US6769080B2 (en) 2000-03-09 2004-07-27 Texas Instruments Incorporated Scan circuit low power adapter with counter
US6961796B2 (en) * 2001-07-26 2005-11-01 Hewlett-Packard Development Company, L.P. Extendable bus interface
US20050210329A1 (en) * 2004-03-18 2005-09-22 Newisys, Inc. Facilitating system diagnostic functionality through selective quiescing of system component sensor devices
US9342362B2 (en) * 2012-06-15 2016-05-17 Nvidia Corporation Service-processor-centric computer architecture and method of operation thereof
US9542251B2 (en) * 2013-10-30 2017-01-10 Oracle International Corporation Error detection on a low pin count bus

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US3585599A (en) * 1968-07-09 1971-06-15 Ibm Universal system service adapter
US3749845A (en) * 1971-08-27 1973-07-31 Bell Telephone Labor Inc Digital data communication system
US3898621A (en) * 1973-04-06 1975-08-05 Gte Automatic Electric Lab Inc Data processor system diagnostic arrangement
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US3879710A (en) * 1974-03-01 1975-04-22 Rca Corp Data processor for a loop data communications system
US3988716A (en) * 1974-08-05 1976-10-26 Nasa Computer interface system
US4030072A (en) * 1974-12-18 1977-06-14 Xerox Corporation Computer system operation and control
US4023142A (en) * 1975-04-14 1977-05-10 International Business Machines Corporation Common diagnostic bus for computer systems to enable testing concurrently with normal system operation
US4041471A (en) * 1975-04-14 1977-08-09 Scientific Micro Systems, Inc. Data processing system including a plurality of programmed machines and particularly including a supervisor machine and an object machine
US4003033A (en) * 1975-12-22 1977-01-11 Honeywell Information Systems, Inc. Architecture for a microprogrammed device controller
US4057847A (en) * 1976-06-14 1977-11-08 Sperry Rand Corporation Remote controlled test interface unit
DE2715983C2 (de) * 1977-04-09 1983-12-29 Ibm Deutschland Gmbh, 7000 Stuttgart Schaltungsanordnung in einem Digitalrechner zur Überwachung und Prüfung des ordnungsgemäßen Betriebs des Digitalrechners
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US4144448A (en) * 1977-11-29 1979-03-13 International Business Machines Corporation Asynchronous validity checking system and method for monitoring clock signals on separate electrical conductors

Also Published As

Publication number Publication date
JPS5557928A (en) 1980-04-30
US4268902A (en) 1981-05-19
EP0010194B1 (de) 1983-04-13
JPS5832416B2 (ja) 1983-07-13
EP0010194A1 (de) 1980-04-30
IT7926084A0 (it) 1979-09-28
IT1165347B (it) 1987-04-22

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Legal Events

Date Code Title Description
8339 Ceased/non-payment of the annual fee