Messages in this thread | | | From | "H. Peter Anvin" <> | Subject | Re: PCI code: why need outb (0x01, 0xCFB); ? | Date | 8 Jan 2003 10:52:30 -0800 |
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Followup to: <F87sTOHYNhMwqvbLaKL0001615a@hotmail.com> By author: "fretre lewis" <fretre3618@hotmail.com> In newsgroup: linux.dev.kernel
> 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.
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