GB1430486A - Machine memories - Google Patents

Machine memories

Info

Publication number
GB1430486A
GB1430486A GB5526473A GB5526473A GB1430486A GB 1430486 A GB1430486 A GB 1430486A GB 5526473 A GB5526473 A GB 5526473A GB 5526473 A GB5526473 A GB 5526473A GB 1430486 A GB1430486 A GB 1430486A
Authority
GB
United Kingdom
Prior art keywords
memory
address
addressed
register
signal
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
GB5526473A
Other languages
English (en)
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.)
Bull HN Information Systems Italia SpA
Bull HN Information Systems Inc
Original Assignee
Honeywell Information Systems Italia SpA
Honeywell Information Systems Inc
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 Honeywell Information Systems Italia SpA, Honeywell Information Systems Inc filed Critical Honeywell Information Systems Italia SpA
Publication of GB1430486A publication Critical patent/GB1430486A/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • G06F11/08—Error detection or correction by redundancy in data representation, e.g. by using checking codes
    • G06F11/10—Adding special bits or symbols to the coded information, e.g. parity check, casting out 9's or 11's
    • G06F11/1008—Adding special bits or symbols to the coded information, e.g. parity check, casting out 9's or 11's in individual solid state devices
    • G06F11/1012—Adding special bits or symbols to the coded information, e.g. parity check, casting out 9's or 11's in individual solid state devices using codes or arrangements adapted for a specific type of error
    • G06F11/1032—Simple parity
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F12/00—Accessing, addressing or allocating within memory systems or architectures
    • G06F12/02—Addressing or allocation; Relocation
    • G06F12/06—Addressing a physical block of locations, e.g. base addressing, module addressing, memory dedication
    • G06F12/0646—Configuration or reconfiguration
    • G06F12/0684—Configuration or reconfiguration with feedback, e.g. presence or absence of unit detected by addressing, overflow detection

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Quality & Reliability (AREA)
  • Techniques For Improving Reliability Of Storages (AREA)
  • Memory System (AREA)
  • Detection And Correction Of Errors (AREA)
GB5526473A 1973-01-02 1973-11-28 Machine memories Expired GB1430486A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US00320212A US3815103A (en) 1973-01-02 1973-01-02 Memory presence checking apparatus

Publications (1)

Publication Number Publication Date
GB1430486A true GB1430486A (en) 1976-03-31

Family

ID=23245384

Family Applications (1)

Application Number Title Priority Date Filing Date
GB5526473A Expired GB1430486A (en) 1973-01-02 1973-11-28 Machine memories

Country Status (6)

Country Link
US (1) US3815103A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
JP (1) JPS49102248A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
CA (1) CA1010152A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
DE (1) DE2400064A1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
FR (1) FR2212958A5 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
GB (1) GB1430486A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2204721A (en) * 1987-05-11 1988-11-16 Apple Computer Method and apparatus for determining available memory size
US4926314A (en) * 1987-03-17 1990-05-15 Apple Computer, Inc. Method and apparatus for determining available memory size
GB2232511A (en) * 1989-05-19 1990-12-12 Research Machines Ltd Self configuring memory system

Families Citing this family (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3979727A (en) * 1972-06-29 1976-09-07 International Business Machines Corporation Memory access control circuit
US4025903A (en) * 1973-09-10 1977-05-24 Computer Automation, Inc. Automatic modular memory address allocation system
USRE31318E (en) * 1973-09-10 1983-07-19 Computer Automation, Inc. Automatic modular memory address allocation system
JPS5496935A (en) * 1978-01-17 1979-07-31 Nec Corp Memory module
FR2443735A1 (fr) * 1978-12-06 1980-07-04 Cii Honeywell Bull Dispositif de controle automatique de la capacite memoire mise en oeuvre dans les systemes de traitements de l'information
US4321667A (en) * 1979-10-31 1982-03-23 International Business Machines Corp. Add-on programs with code verification and control
GB2101370A (en) * 1981-06-26 1983-01-12 Philips Electronic Associated Digital data apparatus with memory interrogation
US4438512A (en) 1981-09-08 1984-03-20 International Business Machines Corporation Method and apparatus for verifying storage apparatus addressing
US4787060A (en) * 1983-03-31 1988-11-22 Honeywell Bull, Inc. Technique for determining maximum physical memory present in a system and for detecting attempts to access nonexistent memory
CA1234224A (en) * 1985-05-28 1988-03-15 Boleslav Sykora Computer memory management system
JPS6277661A (ja) * 1985-09-30 1987-04-09 Toshiba Corp メモリ有無検出回路
US4682283A (en) * 1986-02-06 1987-07-21 Rockwell International Corporation Address range comparison system using multiplexer for detection of range identifier bits stored in dedicated RAM's
US5418965A (en) * 1988-06-24 1995-05-23 Mahar; Robert C. Subroutine-type computer program for enhancing the speed of data processing in data management programs systems
US5063499A (en) * 1989-01-09 1991-11-05 Connectix, Inc. Method for a correlating virtual memory systems by redirecting access for used stock instead of supervisor stock during normal supervisor mode processing
US5129069A (en) * 1989-01-24 1992-07-07 Zenith Data Systems Corporation Method and apparatus for automatic memory configuration by a computer
US5177747A (en) * 1989-10-16 1993-01-05 International Business Machines Corp. Personal computer memory bank parity error indicator
US5243601A (en) * 1990-10-05 1993-09-07 Bull Hn Information Systems Inc. Apparatus and method for detecting a runaway firmware control unit
US5193180A (en) * 1991-06-21 1993-03-09 Pure Software Inc. System for modifying relocatable object code files to monitor accesses to dynamically allocated memory
US5600790A (en) * 1995-02-10 1997-02-04 Research In Motion Limited Method and system for loading and confirming correct operation of an application program in a target system
US5715207A (en) * 1996-03-28 1998-02-03 International Business Machines Corporation Memory presence and type detection using multiplexed memory line function
US5860134A (en) * 1996-03-28 1999-01-12 International Business Machines Corporation Memory system with memory presence and type detection using multiplexed memory line function
DE19843249A1 (de) * 1998-09-11 2000-03-16 Francotyp Postalia Gmbh Verfahren zur Dateneingabe in ein Dienstgerät und Anordnung zur Durchführung des Verfahrens

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3049692A (en) * 1957-07-15 1962-08-14 Ibm Error detection circuit
US3193800A (en) * 1958-11-14 1965-07-06 Ibm Method and apparatus for verifying location and controls in magnetic storage devices
US3270318A (en) * 1961-03-27 1966-08-30 Sperry Rand Corp Address checking device
US3517171A (en) * 1967-10-30 1970-06-23 Nasa Self-testing and repairing computer
US3633175A (en) * 1969-05-15 1972-01-04 Honeywell Inc Defect-tolerant digital memory system
BE757040A (fr) * 1969-10-06 1971-03-16 Western Electric Co Procede pour actionner un systeme de traitement de donnees

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4926314A (en) * 1987-03-17 1990-05-15 Apple Computer, Inc. Method and apparatus for determining available memory size
GB2204721A (en) * 1987-05-11 1988-11-16 Apple Computer Method and apparatus for determining available memory size
GB2204721B (en) * 1987-05-11 1991-10-23 Apple Computer Method and apparatus for determining available memory size
GB2232511A (en) * 1989-05-19 1990-12-12 Research Machines Ltd Self configuring memory system
GB2232511B (en) * 1989-05-19 1993-08-25 Research Machines Ltd Self configuring memory system

Also Published As

Publication number Publication date
FR2212958A5 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1974-07-26
CA1010152A (en) 1977-05-10
JPS49102248A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1974-09-27
DE2400064A1 (de) 1974-07-04
US3815103A (en) 1974-06-04

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee