Overlaping IO resource for AMD K8
ollie at lanl.gov
Tue Jan 18 06:48:01 CET 2005
On Tue, 2005-01-18 at 10:06, Richard Smith wrote:
> > > It is weird that fuctory bios can still use them.
> > There's gotta be a hack in fuctory bios, I would guess, something like:
> > if (the pci card is a vga && there is an option rom)
> > callit();
> > i.e. I betcha that fuctory bioses will call an option rom on vga even if
> > it violates the spec.
> > I wonder if we really want to do this, the S3 cards are antiques anyway.
> Ollie how are you ripping the vbios bios from the S3 card? Did you
> pop the chip and use a programmer? If not you may be suffering from
> the nuke the rom header issue I was talking about earlier.
I can enable rom load but disable execution in LinuxBIOS. After the
system is up, I dumped the memory content. Actually, the rom load
refuse to download it because its header is incorrect. It is not
the nuke problem, it is simply incorrect header.
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