JPS6226493B2 - - Google Patents

Info

Publication number
JPS6226493B2
JPS6226493B2 JP56071471A JP7147181A JPS6226493B2 JP S6226493 B2 JPS6226493 B2 JP S6226493B2 JP 56071471 A JP56071471 A JP 56071471A JP 7147181 A JP7147181 A JP 7147181A JP S6226493 B2 JPS6226493 B2 JP S6226493B2
Authority
JP
Japan
Prior art keywords
status
signal
error
output
storage unit
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
JP56071471A
Other languages
English (en)
Japanese (ja)
Other versions
JPS57189396A (en
Inventor
Yoshinori Chiwaki
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.)
NEC Corp
Original Assignee
Nippon Electric Co 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 Nippon Electric Co Ltd filed Critical Nippon Electric Co Ltd
Priority to JP56071471A priority Critical patent/JPS57189396A/ja
Priority to US06/377,000 priority patent/US4488223A/en
Priority to EP82104206A priority patent/EP0066147B1/en
Priority to DE8282104206T priority patent/DE3279289D1/de
Publication of JPS57189396A publication Critical patent/JPS57189396A/ja
Publication of JPS6226493B2 publication Critical patent/JPS6226493B2/ja
Granted legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11C—STATIC STORES
    • G11C29/00—Checking stores for correct operation ; Subsequent repair; Testing stores during standby or offline operation
    • G11C29/70—Masking faults in memories by using spares or by reconfiguring
    • G11C29/74—Masking faults in memories by using spares or by reconfiguring using duplex memories, i.e. using dual copies
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F11/00—Error detection; Error correction; Monitoring
    • G06F11/07—Responding to the occurrence of a fault, e.g. fault tolerance
    • G06F11/0703—Error or fault processing not based on redundancy, i.e. by taking additional measures to deal with the error or fault not making use of redundancy in operation, in hardware, or in data representation
    • G06F11/0706—Error or fault processing not based on redundancy, i.e. by taking additional measures to deal with the error or fault not making use of redundancy in operation, in hardware, or in data representation the processing taking place on a specific hardware platform or in a specific software environment
    • G06F11/073—Error or fault processing not based on redundancy, i.e. by taking additional measures to deal with the error or fault not making use of redundancy in operation, in hardware, or in data representation the processing taking place on a specific hardware platform or in a specific software environment in a memory management context, e.g. virtual memory or cache management
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F11/00—Error detection; Error correction; Monitoring
    • G06F11/07—Responding to the occurrence of a fault, e.g. fault tolerance
    • G06F11/0703—Error or fault processing not based on redundancy, i.e. by taking additional measures to deal with the error or fault not making use of redundancy in operation, in hardware, or in data representation
    • G06F11/0766—Error or fault reporting or storing
    • G06F11/0772—Means for error signaling, e.g. using interrupts, exception flags, dedicated error registers
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F11/00—Error detection; Error correction; Monitoring
    • G06F11/07—Responding to the occurrence of a fault, e.g. fault tolerance
    • G06F11/14—Error detection or correction of the data by redundancy in operation
    • G06F11/1402—Saving, restoring, recovering or retrying
    • G06F11/1405—Saving, restoring, recovering or retrying at machine instruction level
    • G06F11/141—Saving, restoring, recovering or retrying at machine instruction level for bus or memory accesses
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F13/00—Interconnection of, or transfer of information or other signals between, memories, input/output devices or central processing units
    • G06F13/14—Handling requests for interconnection or transfer
    • G06F13/16—Handling requests for interconnection or transfer for access to memory bus
    • G06F13/1668—Details of memory controller
    • G06F13/1684—Details of memory controller using multiple buses
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11C—STATIC STORES
    • G11C29/00—Checking stores for correct operation ; Subsequent repair; Testing stores during standby or offline operation
    • G11C29/04—Detection or location of defective memory elements, e.g. cell constructio details, timing of test signals
    • G11C29/08—Functional testing, e.g. testing during refresh, power-on self testing [POST] or distributed testing
    • G11C29/12—Built-in arrangements for testing, e.g. built-in self testing [BIST] or interconnection details
    • G11C29/18—Address generation devices; Devices for accessing memories, e.g. details of addressing circuits
    • G11C29/26—Accessing multiple arrays
    • G11C29/28—Dependent multiple arrays, e.g. multi-bit arrays

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Quality & Reliability (AREA)
  • Hardware Redundancy (AREA)
  • Techniques For Improving Reliability Of Storages (AREA)
JP56071471A 1981-05-14 1981-05-14 Controller for plural storage parts in data processing system Granted JPS57189396A (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
JP56071471A JPS57189396A (en) 1981-05-14 1981-05-14 Controller for plural storage parts in data processing system
US06/377,000 US4488223A (en) 1981-05-14 1982-05-11 Control apparatus for a plurality of memory units
EP82104206A EP0066147B1 (en) 1981-05-14 1982-05-13 Control method and apparatus for a plurality of memory units
DE8282104206T DE3279289D1 (en) 1981-05-14 1982-05-13 Control method and apparatus for a plurality of memory units

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP56071471A JPS57189396A (en) 1981-05-14 1981-05-14 Controller for plural storage parts in data processing system

Publications (2)

Publication Number Publication Date
JPS57189396A JPS57189396A (en) 1982-11-20
JPS6226493B2 true JPS6226493B2 (index.php) 1987-06-09

Family

ID=13461551

Family Applications (1)

Application Number Title Priority Date Filing Date
JP56071471A Granted JPS57189396A (en) 1981-05-14 1981-05-14 Controller for plural storage parts in data processing system

Country Status (4)

Country Link
US (1) US4488223A (index.php)
EP (1) EP0066147B1 (index.php)
JP (1) JPS57189396A (index.php)
DE (1) DE3279289D1 (index.php)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1019594B (de) * 1954-09-04 1957-11-14 Tipp & Co Fuer den Antrieb eines Fahrspielzeuges dienender Elektromotor
JPS59112498A (ja) * 1982-12-20 1984-06-28 Mitsubishi Electric Corp 二重化共有メモリ装置
DE3782893T2 (de) * 1986-09-10 1993-04-08 Nippon Electric Co Informationsverarbeitungssystem, faehig zur verminderung ungueltiger speicheroperationen durch erkennung von hauptspeicherfehlern.
US5434979A (en) * 1987-02-27 1995-07-18 Unisys Corporation Disk drive controller
JPH0616617B2 (ja) * 1987-12-07 1994-03-02 富士通株式会社 初期条件設定方法
GB2251502B (en) * 1990-11-07 1995-06-14 Nonstop Networks Limited Data-loss prevention products
US7882388B2 (en) * 2008-08-21 2011-02-01 Sierra Wireless America, Inc. Dual independent non volatile memory systems

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US932005A (en) * 1903-07-31 1909-08-24 United Shoe Machinery Ab Machine for making lacing-hooks.
US3387276A (en) * 1965-08-13 1968-06-04 Sperry Rand Corp Off-line memory test
US3668644A (en) * 1970-02-09 1972-06-06 Burroughs Corp Failsafe memory system
US3905023A (en) * 1973-08-15 1975-09-09 Burroughs Corp Large scale multi-level information processing system employing improved failsaft techniques
US3950729A (en) * 1973-08-31 1976-04-13 Nasa Shared memory for a fault-tolerant computer
US3934227A (en) * 1973-12-05 1976-01-20 Digital Computer Controls, Inc. Memory correction system
UST932005I4 (en) 1973-12-28 1975-03-04 Detection op possibly erroneous segments following failures in primary storage
US4010450A (en) * 1975-03-26 1977-03-01 Honeywell Information Systems, Inc. Fail soft memory
US4044337A (en) * 1975-12-23 1977-08-23 International Business Machines Corporation Instruction retry mechanism for a data processing system
JPS52124826A (en) * 1976-04-12 1977-10-20 Fujitsu Ltd Memory unit
CA1102007A (en) * 1979-05-15 1981-05-26 Prem L. Sood Duplicated memory system having status indication

Also Published As

Publication number Publication date
EP0066147A2 (en) 1982-12-08
EP0066147B1 (en) 1988-12-14
US4488223A (en) 1984-12-11
EP0066147A3 (en) 1985-05-15
DE3279289D1 (en) 1989-01-19
JPS57189396A (en) 1982-11-20

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