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JPS5464435A - Information shunting processing system in channel unit - Google Patents

Information shunting processing system in channel unit

Info

Publication number
JPS5464435A
JPS5464435AJP13055877AJP13055877AJPS5464435AJP S5464435 AJPS5464435 AJP S5464435AJP 13055877 AJP13055877 AJP 13055877AJP 13055877 AJP13055877 AJP 13055877AJP S5464435 AJPS5464435 AJP S5464435A
Authority
JP
Japan
Prior art keywords
unit
main storage
cpu
channel
sub
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.)
Granted
Application number
JP13055877A
Other languages
Japanese (ja)
Other versions
JPS5821726B2 (en
Inventor
Tomohito Shibata
Shigeru Hashimoto
Kanzo Noda
Toshiaki Ii
Masaaki Kobayashi
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.)
Fujitsu Ltd
Original Assignee
Fujitsu 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 Fujitsu LtdfiledCriticalFujitsu Ltd
Priority to JP52130558ApriorityCriticalpatent/JPS5821726B2/en
Publication of JPS5464435ApublicationCriticalpatent/JPS5464435A/en
Publication of JPS5821726B2publicationCriticalpatent/JPS5821726B2/en
Expiredlegal-statusCriticalCurrent

Links

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Abstract

PURPOSE: To make easy for the content check of the main storage at the occurrence of failure, by constituting the system so that the channel unit can be transferred on the main memory unit for the content of main storage with the main storage damp instruction from CPU.
CONSTITUTION: In the data processing system performing the data processing process by the unit 4 and provided with CPU 1, main memory unit 2, channel unit 4 and a plurality of sub-channel units 5-0, 5-1...5-m, the unit 4 is provided with the sub-channel correspondence region corresponding to the sub-channel units 5-0, 5-1...5-m and the data buffer stack indicating the address information of the data buffer region prepared on the common control region unit 2. Further, the main storage provided with the command buffer region buffering the command from CPU 1 is provided and the unit 4 transfers the main storage content to the unit 2 with the direct memory access based on the main storage damp from CPU 1.
COPYRIGHT: (C)1979,JPO&Japio
JP52130558A1977-10-311977-10-31 Information save processing method in channel deviceExpiredJPS5821726B2 (en)

Priority Applications (1)

Application NumberPriority DateFiling DateTitle
JP52130558AJPS5821726B2 (en)1977-10-311977-10-31 Information save processing method in channel device

Applications Claiming Priority (1)

Application NumberPriority DateFiling DateTitle
JP52130558AJPS5821726B2 (en)1977-10-311977-10-31 Information save processing method in channel device

Publications (2)

Publication NumberPublication Date
JPS5464435Atrue JPS5464435A (en)1979-05-24
JPS5821726B2 JPS5821726B2 (en)1983-05-02

Family

ID=15037126

Family Applications (1)

Application NumberTitlePriority DateFiling Date
JP52130558AExpiredJPS5821726B2 (en)1977-10-311977-10-31 Information save processing method in channel device

Country Status (1)

CountryLink
JP (1)JPS5821726B2 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication numberPriority datePublication dateAssigneeTitle
JPS576951A (en)*1980-06-131982-01-13Fujitsu LtdError logging system
JPS6121550A (en)*1984-07-041986-01-30Fujitsu LtdTest method of channel sub-system

Citations (5)

* Cited by examiner, † Cited by third party
Publication numberPriority datePublication dateAssigneeTitle
JPS5143736A (en)*1974-10-091976-04-14Ueno Seiyaku Oyo Kenkyujo KkOkishiansokukosanno seiho
JPS522129A (en)*1975-06-241977-01-08Hitachi LtdStatus information transfer system
JPS5211839A (en)*1975-07-181977-01-29Hitachi LtdSupervisory equipment
JPS5280754A (en)*1975-12-271977-07-06Fujitsu LtdInput/output control system
JPS52119135A (en)*1976-03-311977-10-06Toshiba CorpTransferring of status

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication numberPriority datePublication dateAssigneeTitle
JPS5143736A (en)*1974-10-091976-04-14Ueno Seiyaku Oyo Kenkyujo KkOkishiansokukosanno seiho
JPS522129A (en)*1975-06-241977-01-08Hitachi LtdStatus information transfer system
JPS5211839A (en)*1975-07-181977-01-29Hitachi LtdSupervisory equipment
JPS5280754A (en)*1975-12-271977-07-06Fujitsu LtdInput/output control system
JPS52119135A (en)*1976-03-311977-10-06Toshiba CorpTransferring of status

Cited By (2)

* Cited by examiner, † Cited by third party
Publication numberPriority datePublication dateAssigneeTitle
JPS576951A (en)*1980-06-131982-01-13Fujitsu LtdError logging system
JPS6121550A (en)*1984-07-041986-01-30Fujitsu LtdTest method of channel sub-system

Also Published As

Publication numberPublication date
JPS5821726B2 (en)1983-05-02

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