IBM应用系统/400中的容错内存设计

[1991] Digest of Papers. Fault-Tolerant Computing: The Twenty-First International Symposium Pub Date : 1991-06-25 DOI:10.1109/FTCS.1991.146691

C. L. Chen, L. E. Grosbach

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引用次数: 14

摘要

本文描述了IBM AS/400主存储子系统的一些容错特性，特别注意了每个芯片4位内存阵列的纠错代码。单4位符号错误自动纠正，双符号错误检测和纠正额外的机器周期。描述了该过程在硬件上的实现。介绍了AS/400的存储模型、管理和内存维护策略。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Fault-tolerant memory design in the IBM application system/400

Some of the fault-tolerant features of the IBM AS/400 main storage subsystem are described, with particular attention to the error-correcting code for the 4-bit-per-chip memory array. Single 4-bit symbol errors are automatically corrected, and double symbol errors are detected and corrected with additional machine cycles. The procedure, which is implemented in hardware, is described. The AS/400 storage model and management and the memory maintenance strategy are described.<>

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[1991] Digest of Papers. Fault-Tolerant Computing: The Twenty-First International Symposium

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