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介绍了一种基于ISA总线的看门狗(WatchDog)接口板的设计思想和工作原理,并提出用软硬件相结合的方法提高系统的可靠性。
This paper introduces the design idea and working principle of a WatchDog interface board based on ISA bus, and proposes to improve the reliability of the system by combining hardware and software.