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On Fri, 27 Feb 2004 13:42:12 -0500 (EST), Richard B. Johnson <root@chaos.analogic.com> wrote: > > In the early IBM/AT, there was a port to which a user of > a shared "edge" interrupt could write. If the interrupt > line was still asserted, this would generate another edge. > > This meant that any ISR needed to know about other users > of the same interrupt. This is probably why it didn't > catch on. Oops, never seen that in the circuit diagrams. Was that an internal prototype? Regards Michael Ooops2 sorry for priv msg, time to have a nap.... - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/ | ||||||||||||
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