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当你往计算机中加入桌块新卡时,也许舍出现某个程序不能运行,或某块新加入的板卡不能正常运行,更有甚者还会出现整个机器瘫痪的现象。这时你首先想到的可能是板卡有问题,然而真正的问题所在是你新加的板卡,是它与计算机中现有设备之间的冲突而引发的。一台计算机要能正常运行,各个设备、板卡都必须与CPU能进行正常的通信,也就是能够及时变换信息,如果两块板卡同时向CPU发出信息,那么CPU肯定是不能正常工作。这种冲突往往出现在IRQ、DMA和I/O冲突。说了一串术语,你的头可能立刘就大了一圈,不过请耐心地往下看,你就会了解它们的含义和作用,
When you add a new piece of card to your computer, you may find that a certain program can not run, or a newly added card can not operate normally. What is more, the entire machine will be paralyzed. At this point you may first think of a problem with the card, but the real problem is that your new card is triggered by the conflict with the existing devices in your computer. A computer to be able to operate normally, all devices, boards must be able to communicate with the CPU, which is able to change information in time, if the two boards send information to the CPU at the same time, then the CPU certainly can not work properly. This kind of conflict often appears in IRQ, DMA and I / O conflict. Speaking a bunch of terminology, your head may be a big circle around Liu, but please look down patiently and you will understand their meaning and role,