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    • 134. 发明授权
    • Fault isolation through no-overhead link level CRC
    • 通过无架空链路级CRC进行故障隔离
    • US07210088B2
    • 2007-04-24
    • US10468996
    • 2002-02-25
    • Dong ChenPaul W. CoteusAlan G. Gara
    • Dong ChenPaul W. CoteusAlan G. Gara
    • G06F11/00G06F13/00G06F7/02H03M13/00
    • H03M13/091G11B20/1833H04L1/0061
    • A fault isolation technique for checking the accuracy of data packets transmitted between nodes of a parallel processor. An independent crc is kept of all data sent from one processor to another, and received from one processor to another. At the end of each checkpoint, the crcs are compared. If they do not match, there was an error. The crcs may be cleared and restarted at each checkpoint. In the preferred embodiment, the basic functionality is to calculate a CRC of all packet data that has been successfully transmitted across a given link. This CRC is done on both ends of the link, thereby allowing an independent check on all data believed to have been correctly transmitted. Preferably, all links have this CRC coverage, and the CRC used in this link level check is different from that used in the packet transfer protocol. This independent check, if successfully passed, virtually eliminates the possibility that any data errors were missed during the previous transfer period.
    • 用于检查并行处理器节点之间传输的数据包的精度的故障隔离技术。 保持从一个处理器发送到另一个处理器的所有数据的独立crc,并从一个处理器接收另一个处理器。 在每个检查点的末尾,比较crcs。 如果它们不匹配,则出现错误。 可以在每个检查点清除并重新启动crcs。 在优选实施例中,基本功能是计算已经通过给定链路成功发送的所有分组数据的CRC。 该CRC在链路的两端完成,从而允许对所有被认为已被正确发送的数据进行独立的检查。 优选地,所有链路具有该CRC覆盖,并且在该链路级检查中使用的CRC与在分组传送协议中使用的不同。 这种独立检查,如果成功通过,几乎消除了在以前的传输期间错过任何数据错误的可能性。
    • 136. 发明授权
    • Memory and system configuration for programming a redundancy address in an electric system
    • 用于编程电气系统中冗余地址的存储器和系统配置
    • US06178126B1
    • 2001-01-23
    • US09534423
    • 2000-03-23
    • Toshiaki KirihataPaul W. CoteusWarren E. MauleSteven Tomashot
    • Toshiaki KirihataPaul W. CoteusWarren E. MauleSteven Tomashot
    • G11C1300
    • G11C29/72G11C29/785
    • A redundancy address in a plurality of memory devices is identified by at least two protocols available in an electric system. The first protocol is a mode register set command (or extended mode register set command). A chip select signal determines one of a plurality of memory modules, where a memory device is identified with at least one data port. Alternatively, a data strobe port or a data mask port may be preferably used for the selection of the memory devices instead of using the data port. The second protocol is a RAM access command which identifies a defective memory cell address (redundancy address) within the selected RAM by way of a plurality of address ports (ADRs). A redundancy address programming method is realized by way of electrically programmable fuses or by dynamically programmable redundancy latches integrated in each memory. The electric system configuration preferably includes a non-volatile storage device for storing a data port organization for the memory devices. Therein, the relation between the system memory data bus and the memory data ports for the memory devices are recognized by a memory controller. A microprocessor in the electric system is used for testing the memories and for analyzing the redundancy address. The present invention further includes a post device identification protocol to effectively debug field problems.
    • 多个存储设备中的冗余地址由电气系统中可用的至少两种协议来识别。 第一个协议是模式寄存器设置命令(或扩展模式寄存器设置命令)。 芯片选择信号确定多个存储器模块中的一个,其中存储器件被识别为具有至少一个数据端口。 或者,可以优选地使用数据选通端口或数据掩码端口来选择存储设备,而不是使用数据端口。 第二协议是RAM访问命令,其通过多个地址端口(ADR)识别所选择的RAM内的有缺陷的存储器单元地址(冗余地址)。 通过电可编程熔丝或集成在每个存储器中的动态可编程冗余锁存器实现冗余地址编程方法。 电气系统配置优选地包括用于存储用于存储器件的数据端口组织的非易失性存储设备。 其中,存储器控制器识别系统存储器数据总线与存储器件的存储器数据端口之间的关系。 电气系统中的微处理器用于测试存储器和分析冗余地址。 本发明还包括有效调试现场问题的后期设备识别协议。