TIME-DISTRIBUTED ECC SCRUBBING TO CORRECT MEMORY ERRORS
    3.
    发明申请
    TIME-DISTRIBUTED ECC SCRUBBING TO CORRECT MEMORY ERRORS 审中-公开
    分时纠错ECC纠错纠正内存错误

    公开(公告)号:WO1998029811A1

    公开(公告)日:1998-07-09

    申请号:PCT/US1997021904

    申请日:1997-11-24

    Abstract: Error correction circuitry (101) attempts to detect and correct, on-the-fly, erroneous words from RAM (102) within a computer system. Correctable errors are scrubbed without delaying the memory access cycle. The address of the section or row of RAM containing the correctable error is latched (130) for later use by a firmware-implemented interrupt-driven scrub routine (104) that reads and rewrites each word within the indicated memory section, resulting in the erroneous word being corrected on-the-fly and rewritten correctly. If the memory section size exceeds a threshold, the scrub process is divided into smaller subprocesses that are distributed in time using a delayed interrupt mechanism. Subprocess duration is kept short enough to avoid impairing the computer system response time. System management interrupts (120) and firmware (104) make the scrub routine independent of and transparent to the operating systems that may be run on the computer system.

    Abstract translation: 错误校正电路(101)尝试从计算机系统内的RAM(102)中检测并纠正错误的单词。 擦除可纠正的错误,而不会延迟内存访问周期。 锁存包含可纠正错误的RAM的部分或一行的地址(130),供以后使用的固件实现的中断驱动擦除程序(104)读取并重写所指示的存储器部分中的每个字,导致错误 字被正确地修正并被正确地重写。 如果存储器部分大小超过阈值,则擦除处理被划分为使用延迟中断机制在时间上分布的更小的子处理。 子过程持续时间保持足够短以避免损害计算机系统响应时间。 系统管理中断(120)和固件(104)使擦洗程序独立于可能在计算机系统上运行的操作系统并且是透明的。

    AN APPARATUS AND METHOD FOR INCREASING THE BURST RATE OF EDO DRAMS IN A COMPUTER SYSTEM
    4.
    发明申请
    AN APPARATUS AND METHOD FOR INCREASING THE BURST RATE OF EDO DRAMS IN A COMPUTER SYSTEM 审中-公开
    一种用于增加计算机系统中EDO跳跃速率的装置和方法

    公开(公告)号:WO1996021226A1

    公开(公告)日:1996-07-11

    申请号:PCT/US1995016880

    申请日:1995-12-28

    CPC classification number: G11C7/1018 G11C7/1024

    Abstract: A memory controller (105) having a data strobe (250) that tracks the column address strobe signal in a computer system having Extended Data Out (EDO) DRAMs (230). The data strobe signal follows, by a predetermined delay, the column access strobe signal, and therefore any skew in the column address strobe signal is inherently included within the data strobe signal. As a result, the data can be latched out, responsive to the data strobe signal, at approximately the center of the valid window.

    Abstract translation: 具有在具有扩展数据输出(EDO)DRAM(230)的计算机系统中跟踪列地址选通信号的数据选通(250)的存储器控​​制器(105)。 数据选通信号以预定的延迟跟随列存取选通信号,因此列地址选通信号中的任何偏移固有地包括在数据选通信号内。 结果,可以在有效窗口的大约中心处响应于数据选通信号来锁存数据。

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