JPS5282153A - Data check system for information processing unit - Google Patents

Data check system for information processing unit

Info

Publication number
JPS5282153A
JPS5282153A JP15870075A JP15870075A JPS5282153A JP S5282153 A JPS5282153 A JP S5282153A JP 15870075 A JP15870075 A JP 15870075A JP 15870075 A JP15870075 A JP 15870075A JP S5282153 A JPS5282153 A JP S5282153A
Authority
JP
Japan
Prior art keywords
processing unit
information processing
data check
check system
circuit
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
JP15870075A
Other languages
Japanese (ja)
Inventor
Mitsuo Anno
Hiroshi Kido
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 JP15870075A priority Critical patent/JPS5282153A/en
Publication of JPS5282153A publication Critical patent/JPS5282153A/en
Pending legal-status Critical Current

Links

Landscapes

  • Detection And Correction Of Errors (AREA)
  • Techniques For Improving Reliability Of Storages (AREA)

Abstract

PURPOSE: To enhance data dependability by utilizing part of already existing exclusive logical sum circuit for parity check circuit and by detecting error occurred between ,ECC check bit generation circuit through memory writing register.
COPYRIGHT: (C)1977,JPO&Japio
JP15870075A 1975-12-29 1975-12-29 Data check system for information processing unit Pending JPS5282153A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP15870075A JPS5282153A (en) 1975-12-29 1975-12-29 Data check system for information processing unit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP15870075A JPS5282153A (en) 1975-12-29 1975-12-29 Data check system for information processing unit

Publications (1)

Publication Number Publication Date
JPS5282153A true JPS5282153A (en) 1977-07-09

Family

ID=15677437

Family Applications (1)

Application Number Title Priority Date Filing Date
JP15870075A Pending JPS5282153A (en) 1975-12-29 1975-12-29 Data check system for information processing unit

Country Status (1)

Country Link
JP (1) JPS5282153A (en)

Similar Documents

Publication Publication Date Title
JPS55105900A (en) Error correction/detection system
JPS5282153A (en) Data check system for information processing unit
JPS53106A (en) Seek error check circuit of magnetic disk
JPS5622291A (en) Bit error correction method for memory
JPS5637899A (en) Memory malfunction detection system
JPS5693196A (en) Error detecting system of checking circuit
JPS5323241A (en) Microprogram control processi ng system
JPS5365634A (en) Register circuit checking system for information processor
JPS5593596A (en) Memory unit
JPS55115148A (en) Error detection and correction system
JPS5542343A (en) Control system for memory unit
JPS5464442A (en) Defective bit discriminating circuit of erase type
JPS5421824A (en) Error detecting system
JPS57203299A (en) Storage device
JPS5245837A (en) Error detection equipment
JPS5569858A (en) Error detection and correction system
JPS51111014A (en) Error detecting circuit
JPS542641A (en) Error detection system of information processor
JPS57180000A (en) Main storage device
JPS54129948A (en) Data processor
JPS52130251A (en) Data processing system
JPS53122338A (en) Data processor
JPS5688542A (en) Error detection system
JPS5413229A (en) Parity inspection system
JPS554757A (en) Error control system of memory unit