DE69022402D1 - System zur integrität der speicherdaten. - Google Patents

System zur integrität der speicherdaten.

Info

Publication number
DE69022402D1
DE69022402D1 DE69022402T DE69022402T DE69022402D1 DE 69022402 D1 DE69022402 D1 DE 69022402D1 DE 69022402 T DE69022402 T DE 69022402T DE 69022402 T DE69022402 T DE 69022402T DE 69022402 D1 DE69022402 D1 DE 69022402D1
Authority
DE
Germany
Prior art keywords
integrity
storage data
storage
data
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 - Fee Related
Application number
DE69022402T
Other languages
English (en)
Other versions
DE69022402T2 (de
Inventor
James Jeppesen
Bruce Whittaker
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.)
Unisys Corp
Original Assignee
Unisys Corp
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 Unisys Corp filed Critical Unisys Corp
Publication of DE69022402D1 publication Critical patent/DE69022402D1/de
Application granted granted Critical
Publication of DE69022402T2 publication Critical patent/DE69022402T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR 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
    • G06F11/1044—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 with specific ECC/EDC distribution
DE69022402T 1989-11-22 1990-11-21 System zur integrität der speicherdaten. Expired - Fee Related DE69022402T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US07/440,821 US5117428A (en) 1989-11-22 1989-11-22 System for memory data integrity
PCT/US1990/006855 WO1991007722A1 (en) 1989-11-22 1990-11-21 System for memory data integrity

Publications (2)

Publication Number Publication Date
DE69022402D1 true DE69022402D1 (de) 1995-10-19
DE69022402T2 DE69022402T2 (de) 1996-03-07

Family

ID=23750311

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69022402T Expired - Fee Related DE69022402T2 (de) 1989-11-22 1990-11-21 System zur integrität der speicherdaten.

Country Status (5)

Country Link
US (1) US5117428A (de)
EP (1) EP0454836B1 (de)
JP (1) JPH04503275A (de)
DE (1) DE69022402T2 (de)
WO (1) WO1991007722A1 (de)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH04141900A (ja) * 1990-10-01 1992-05-15 Nec Ic Microcomput Syst Ltd 半導体集積回路
US5291498A (en) * 1991-01-29 1994-03-01 Convex Computer Corporation Error detecting method and apparatus for computer memory having multi-bit output memory circuits
US5367526A (en) * 1993-06-22 1994-11-22 Kong Edmund Y Memory module, parity bit emulator, and associated method for parity bit emulation
US5541941A (en) * 1994-01-28 1996-07-30 International Business Machines Corporation Method and structure for providing automatic parity sensing
US5553265A (en) * 1994-10-21 1996-09-03 International Business Machines Corporation Methods and system for merging data during cache checking and write-back cycles for memory reads and writes
GB2290892A (en) * 1995-04-26 1996-01-10 Memory Corp Plc Automatic parity detect and generate circuit
DE69526789T2 (de) * 1995-09-29 2002-11-21 St Microelectronics Srl Speicheranordnung mit verbessertem Ergebnis und verbesserter Zuverlässigkeit
US6332173B2 (en) * 1998-10-31 2001-12-18 Advanced Micro Devices, Inc. UART automatic parity support for frames with address bits
US6505321B1 (en) * 1999-05-20 2003-01-07 Emc Corporation Fault tolerant parity generation
US7237082B1 (en) * 2004-06-08 2007-06-26 Sun Microsystems, Inc. Spatially distributed parity protection
US7676730B2 (en) * 2005-09-30 2010-03-09 Quantum Corporation Method and apparatus for implementing error correction coding in a random access memory
US7836380B2 (en) * 2006-10-31 2010-11-16 Intel Corporation Destination indication to aid in posted write buffer loading
KR20080080882A (ko) * 2007-03-02 2008-09-05 삼성전자주식회사 Ｅｃｃ용 레이어를 구비하는 다층 구조 반도체 메모리 장치및 이를 이용하는 에러 검출 및 정정 방법
US8250282B2 (en) * 2009-05-14 2012-08-21 Micron Technology, Inc. PCM memories for storage bus interfaces
US20100325519A1 (en) * 2009-06-17 2010-12-23 Microsoft Corporation CRC For Error Correction
JP6370528B2 (ja) * 2011-09-30 2018-08-08 ラムバス・インコーポレーテッド メモリデバイス群間でのチェックビットメモリデバイスの共有

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1439333A (en) * 1972-09-16 1976-06-16 Plessey Co Ltd Electronic multi-register arrangements
JPS5611699A (en) * 1979-07-09 1981-02-05 Toshiba Corp Parity check system
US4432055A (en) * 1981-09-29 1984-02-14 Honeywell Information Systems Inc. Sequential word aligned addressing apparatus
US4450562A (en) * 1982-03-26 1984-05-22 Rca Corporation Two level parity error correction system
US4685088A (en) * 1985-04-15 1987-08-04 International Business Machines Corporation High performance memory system utilizing pipelining techniques
JPS62293599A (ja) * 1986-06-13 1987-12-21 Hitachi Ltd 半導体記憶装置
US4809279A (en) * 1986-09-08 1989-02-28 Unisys Corporation Enhanced parity detection for wide ROM/PROM memory structure

Also Published As

Publication number Publication date
WO1991007722A1 (en) 1991-05-30
JPH04503275A (ja) 1992-06-11
EP0454836B1 (de) 1995-09-13
EP0454836A1 (de) 1991-11-06
DE69022402T2 (de) 1996-03-07
US5117428A (en) 1992-05-26

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee