JPS57736A - Occupation controlling system of input and output bus device - Google Patents

Occupation controlling system of input and output bus device

Info

Publication number
JPS57736A
JPS57736A JP7434080A JP7434080A JPS57736A JP S57736 A JPS57736 A JP S57736A JP 7434080 A JP7434080 A JP 7434080A JP 7434080 A JP7434080 A JP 7434080A JP S57736 A JPS57736 A JP S57736A
Authority
JP
Japan
Prior art keywords
occupation
bus
cpu52
interbus
showing
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.)
Pending
Application number
JP7434080A
Other languages
English (en)
Inventor
Takayuki Morioka
Hiroaki Nakanishi
Ryoichi Takamatsu
Masakazu Okada
Hideyuki Hara
Toshihisa Oka
Hirokazu Kasashima
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.)
Hitachi Ltd
Original Assignee
Hitachi 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 Hitachi Ltd filed Critical Hitachi Ltd
Priority to JP7434080A priority Critical patent/JPS57736A/ja
Priority to GB8116665A priority patent/GB2077468B/en
Priority to DE19813122076 priority patent/DE3122076A1/de
Priority to US06/270,549 priority patent/US4468733A/en
Publication of JPS57736A publication Critical patent/JPS57736A/ja
Pending legal-status Critical Current

Links

Landscapes

  • Multi Processors (AREA)
  • Bus Control (AREA)
JP7434080A 1980-06-04 1980-06-04 Occupation controlling system of input and output bus device Pending JPS57736A (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
JP7434080A JPS57736A (en) 1980-06-04 1980-06-04 Occupation controlling system of input and output bus device
GB8116665A GB2077468B (en) 1980-06-04 1981-06-01 Multi-computer system with plural serial bus loops
DE19813122076 DE3122076A1 (de) 1980-06-04 1981-06-03 Mehrrechnersystem
US06/270,549 US4468733A (en) 1980-06-04 1981-06-04 Multi-computer system with plural serial bus loops

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7434080A JPS57736A (en) 1980-06-04 1980-06-04 Occupation controlling system of input and output bus device

Publications (1)

Publication Number Publication Date
JPS57736A true JPS57736A (en) 1982-01-05

Family

ID=13544284

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7434080A Pending JPS57736A (en) 1980-06-04 1980-06-04 Occupation controlling system of input and output bus device

Country Status (1)

Country Link
JP (1) JPS57736A (ja)

Similar Documents

Publication Publication Date Title
JPS57105023A (en) Data transfer system
JPS5569830A (en) Intelligent terminal
JPS57736A (en) Occupation controlling system of input and output bus device
KR850700162A (ko) 데이타 처리장치용 출력 비교 제어 시스템 및 방법
JPS55118138A (en) Priority control system
JPS5759234A (en) Input and output bus device
JPS53139941A (en) Connection system for input and output control unit
JPS5429534A (en) Adding system of optional functions to composite terminal
JPS5647849A (en) Terminal control equipment
JPS57733A (en) Path controlling system for interruption for reporting input and output operation completion of input and output bus device
JPS5665553A (en) Data communication control system
JPS5478638A (en) Input/output control circuit
JPS55105729A (en) Data processing unit
JPS54148343A (en) Data transfer control unit
JPS53942A (en) Double loop system back-up method
JPS51113431A (en) Coupling control system between input-output buses
JPS5370638A (en) Selective usage unit for input device
JPS5567832A (en) Matrix key extension circuit
JPS57101928A (en) Interruption controlling system
JPS5536830A (en) Multiprocessor control system of copier
JPS5361931A (en) Communication control device
JPS564826A (en) Electronic computer
JPS54127244A (en) Interruption control system
JPS55127651A (en) Fault recognition system of multiprocessor system
JPS55135930A (en) Data transfer system