> 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.
-hpa
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