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    SubjectRe: PCI code: why need outb (0x01, 0xCFB); ?
    Followup to:  <>
    By author: "fretre lewis" <>
    In newsgroup:

    > 1. which device is at port address 0xCFB?

    Hopefully none.

    > 2. what is meaning of the writing operation "outb (0x01, 0xCFB);" for THIS
    > device?, it'seem that PCI spec v2.0 not say anything about it?

    It's trying to verify that the PCI northbridge does *NOT* respond to
    this (byte-wide) reference.

    <> at work, <> in private!
    "Unix gives you enough rope to shoot yourself in the foot." <>
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