IRQ Channels?
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Thread: IRQ Channels?

  1. #1
    Junior Member
    Join Date
    Feb 2002
    Posts
    17

    Question IRQ Channels?

    Hey all. I was wondering if anyone could give me a basic explanation as to what an IRQ channel is, what it does, ect. Im not sure, But at a guess does it have anything to do with hardware and peripherals communicating with the processor?, as in, making a channel for data to run to and from the peice of hardware to the processor?

    All help appreciated.

  2. #2
    Trumpet-Eared Gentoo Freak
    Join Date
    Jan 2003
    Posts
    992
    Well

    IRQ stands for Interrupt Request. This is the request every piece of hardware has to do to the processor to get a job done.
    If the processor gets simultenaous request from different pieces of hardware, he will handle the lowest IRQ first, that is 1 normally, and so up to mostly 15.

    So 4 has to wait 'till the processor has finished the job from 3 and so on...

    Hope this helps a bit,

    Greetz,

    *** EDIT *** Take a look at this one , http://www.webopedia.com/TERM/I/IRQ.html
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  3. #3
    Junior Member
    Join Date
    Feb 2002
    Posts
    17
    Thanks for clearing that up for me
    Before you criticize someone, you should walk a mile in their shoes. That way, when you criticize them, you\'re a mile away and you have their shoes.
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