Overlaping IO resource for AMD K8

Li-Ta Lo ollie at lanl.gov
Tue Jan 18 05:48:00 CET 2005


On Tue, 2005-01-18 at 04:54, Eric W. Biederman wrote:
> Li-Ta Lo <ollie at lanl.gov> writes:
> 
> > On Tue, 2005-01-11 at 16:52, Ronald G. Minnich wrote:
> > > Ollie, you did it!
> > > 
> > 
> > We should thank SciTech for their wonderful emulator.
> 
> Yes.
>  
> > > Ollie just took a big stack of video cards, some AGP and some PCI, and 
> > > booted linuxbios one at a time and showed how each video card came up. 
> > > 
> > > It's fantastic. 
> > > 
> > 
> > I think the current code should support most VGA cards available in the
> > market. I have tried VGA cards from Nvidia, ATI, Matrox and Cirrus.
> > 
> > I found that the VBIOS on S3 cards don't have correct ROM header. The 
> > company is dead anyway.
> 
> In what sense do they have a bad ROM header?  I can easily see
> them not supporting new pci features.  Unless we can show that
> something is broken beyond repair we should not give up on supporting
> it.  We don't know what brain damage will show up next.
> 

Some of them don't have correct 0x55aa signature. All of them have
wrong Class code.

Ollie





More information about the coreboot mailing list