Generating special uncorrectable error codes for failure isolation
    2.
    发明授权
    Generating special uncorrectable error codes for failure isolation 有权
    生成用于故障隔离的特殊不可纠正的错误代码

    公开(公告)号:US06519736B1

    公开(公告)日:2003-02-11

    申请号:US09452079

    申请日:1999-11-30

    IPC分类号: G11C2900

    摘要: Uncorrectable errors are isolated to one component of a computing system comprising a plurality of components. First, upon detection of an uncorrectable error, a special check bit pattern is generated. This check bit pattern is used to indicate the occurrence of an uncorrectable error, as well as the location of the occurrence of the error. Subsequently, the check bit pattern is incorporated into the data word being transmitted, and thus may be used to isolate an uncorrectable error to the exact location of occurrence.

    摘要翻译: 不可纠正的错误被隔离到包括多个组件的计算系统的一个组件。 首先,当检测到不可校正的错误时,产生特殊的校验位模式。 该检查位模式用于指示出现不可校正错误以及发生错误的位置。 随后,校验位模式被合并到被发送的数据字中,因此可以用于将不可校正的误差隔离到确切的发生位置。

    Single symbol correction double symbol detection code employing a modular H-matrix
    3.
    发明授权
    Single symbol correction double symbol detection code employing a modular H-matrix 有权
    采用模块化H矩阵的单符号校正双符号检测码

    公开(公告)号:US06463563B1

    公开(公告)日:2002-10-08

    申请号:US09451133

    申请日:1999-11-30

    IPC分类号: G11C2900

    CPC分类号: G11C29/02

    摘要: An error correction code for single symbol error correction and double symbol error detection is generated according to a novel modular H-matrix. The H-matrix utilizes a modular design with multiple iterations of a plurality of subsets. In particular, one example of this H-matrix includes a plurality of rows and columns with each of at least one row of the H-matrix comprising, in part, multiple iterations of one subset of the plurality of subsets. The remainder of the rows, comprises, in part, a cyclic permutation of all of the remaining subsets of the plurality of subsets.

    摘要翻译: 根据新型模块化H矩阵生成单符号纠错和双符号错误检测的纠错码。 H矩阵利用具有多个子集的多次迭代的模块化设计。 特别地,该H矩阵的一个示例包括多个行和列,其中H矩阵的至少一行中的每一行部分地包括多个子集中的一个子集的多次迭代。 行的其余部分部分地包括多个子集中的所有剩余子集的循环排列。

    Method system and program products for error correction code conversion
    4.
    发明授权
    Method system and program products for error correction code conversion 有权
    方法系统和程序产品进行纠错码转换

    公开(公告)号:US06460157B1

    公开(公告)日:2002-10-01

    申请号:US09450548

    申请日:1999-11-30

    IPC分类号: H03M1300

    CPC分类号: G06F11/1008 G11B20/18

    摘要: Data is protected during conversion from one or more source error correction codes to one or more destination error correction codes by generating check bits of the destination error correction codes prior to a detection for errors in the source error correction codes. After commencing generation of these check bits, a detection is made for any errors in the source error correction codes. These errors are subsequently corrected in the destination error correction codes by complementing the erroneous bits of the destination error correction code. In addition, various logic reduction techniques may also be implemented to increase efficiency.

    摘要翻译: 数据在从一个或多个源纠错码到一个或多个目的地纠错码的转换期间通过在检测到源纠错码中的错误之前产生目的地纠错码的检查位来保护。 在开始生成这些校验位之后,检测源纠错码中的任何错误。 通过补充目的地纠错码的错误位,随后在目的地纠错码中校正这些误差。 此外,还可以实现各种逻辑降低技术以提高效率。

    Detecting address faults in an ECC-protected memory
    9.
    发明授权
    Detecting address faults in an ECC-protected memory 失效
    检测ECC​​保护的内存中的地址故障

    公开(公告)号:US06457154B1

    公开(公告)日:2002-09-24

    申请号:US09451261

    申请日:1999-11-30

    IPC分类号: G11C2900

    CPC分类号: G06F11/1016

    摘要: Uncorrectable errors are detected during the transmission of a data word according to an error correction code. Then, any address faults are identified from among the detected uncorrectable errors. In addition, address faults as well as uncorrectable memory data failures are detected from among the detected uncorrectable errors. Furthermore, address parity bits are not required to be stored to memory.

    摘要翻译: 根据纠错码在数据字的发送期间检测不正确的错误。 然后,从检测到的不可校正错误中识别任何地址故障。 此外,从检测到的不可校正错误中检测到地址故障以及不可校正的存储器数据故障。 此外,地址奇偶校验位不需要存储到存储器中。

    Error detection and correction for four-bit-per-chip memory system
    10.
    发明授权
    Error detection and correction for four-bit-per-chip memory system 失效
    4位/片内存储系统的错误检测和校正

    公开(公告)号:US5757823A

    公开(公告)日:1998-05-26

    申请号:US538691

    申请日:1995-10-03

    IPC分类号: G06F11/10 H03M13/15 H03M13/00

    CPC分类号: G06F11/1028 H03M13/151

    摘要: Advantage is taken of the presence of identity submatrices in a parity check matrix to achieve correction of errors in a single symbol and detection of errors in a single symbol together with a single bit error in another symbol for use in computer memory systems. The code structure enhances utilization of chip real estate and specifically provides for the utilization of a (76,64) code which employs 19 chips per computer memory word as opposed to 20 chips per word.

    摘要翻译: 优先考虑在奇偶校验矩阵中存在身份子矩阵以实现单个符号中的错误校正以及单个符号中的错误的检测以及用于计算机存储器系统的另一个符号中的单个位错误。 代码结构提高了芯片实体的利用率,并且具体地提供了利用(76,64)代码,每个计算机存储器字使用19个芯片,而不是每个字20个芯片。