JPS5455335A - Channel unit with several diagnostic modes - Google Patents

Channel unit with several diagnostic modes

Info

Publication number
JPS5455335A
JPS5455335A JP12289977A JP12289977A JPS5455335A JP S5455335 A JPS5455335 A JP S5455335A JP 12289977 A JP12289977 A JP 12289977A JP 12289977 A JP12289977 A JP 12289977A JP S5455335 A JPS5455335 A JP S5455335A
Authority
JP
Japan
Prior art keywords
interruption
cpu1
unit
diagnostic mode
diagnostic
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
JP12289977A
Other languages
Japanese (ja)
Other versions
JPS5844250B2 (en
Inventor
Tomohito Shibata
Shigeru Hashimoto
Tadaaki Imai
Noboru Yamamoto
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 Ltd filed Critical Fujitsu Ltd
Priority to JP52122899A priority Critical patent/JPS5844250B2/en
Publication of JPS5455335A publication Critical patent/JPS5455335A/en
Publication of JPS5844250B2 publication Critical patent/JPS5844250B2/en
Expired legal-status Critical Current

Links

Landscapes

  • Test And Diagnosis Of Digital Computers (AREA)

Abstract

PURPOSE: To lighten the burden on a channel unit by enabling a register in a central processor to discriminate whether the 1st rough diagnostic mode or 2nd close diagnostic mode is required.
CONSTITUTION: This system, equipped with CPU1, main memory unit 2 and channel unit 4, performs microprogram processes by unit 4 and associated data processes to CPU1 via bus 3. On this system, unit 4 causes an interruption to CPU1 in case of the diagnostic process of the system. In the interruption register of device 4, the 1st diagnostic mode causing the 1st interruption which corresponds to the rough diagnostic mode from CPU1 and the 2nd diagnostic mode causing an interruption to the diagnosis to the close diagnostic mode are prepared. Then, CPU1 is caused to select a data set register interruption unit 4 corresponding to the 1st or 2nd diagnostic modes
COPYRIGHT: (C)1979,JPO&Japio
JP52122899A 1977-10-13 1977-10-13 Channel diagnostic control method Expired JPS5844250B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP52122899A JPS5844250B2 (en) 1977-10-13 1977-10-13 Channel diagnostic control method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP52122899A JPS5844250B2 (en) 1977-10-13 1977-10-13 Channel diagnostic control method

Publications (2)

Publication Number Publication Date
JPS5455335A true JPS5455335A (en) 1979-05-02
JPS5844250B2 JPS5844250B2 (en) 1983-10-01

Family

ID=14847367

Family Applications (1)

Application Number Title Priority Date Filing Date
JP52122899A Expired JPS5844250B2 (en) 1977-10-13 1977-10-13 Channel diagnostic control method

Country Status (1)

Country Link
JP (1) JPS5844250B2 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60122432A (en) * 1983-12-05 1985-06-29 Fuji Electric Co Ltd Interruption function diagnostic system in computer system

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60122432A (en) * 1983-12-05 1985-06-29 Fuji Electric Co Ltd Interruption function diagnostic system in computer system
JPH0587850B2 (en) * 1983-12-05 1993-12-20 Fuji Denki Kk

Also Published As

Publication number Publication date
JPS5844250B2 (en) 1983-10-01

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