On Wed, Nov 12, 2003 at 11:31:45AM -0800, John Chandler wrote:
>David Dawes writes:
> > On Wed, Nov 12, 2003 at 08:04:16AM -0800, John Chandler wrote:
> > >David Dawes writes:
> > > > On Wed, Nov 12, 2003 at 01:01:13AM -0800, John Chandler wrote:
> > > > >Thank you very much for your response.  What you suggest had an
> > > > >effect, but not an entirely good one...
> > > > >
> > > > >David Dawes writes:
> > > > > > On Tue, Nov 11, 2003 at 01:27:54PM -0800, John Chandler wrote:
> > > > > > >When I my newly-installed RedHat system launches, X fails with
> > > > > > >this message:
> > > > > > >
> > > > > > >        [...]
> > > > > > >  (II) Primary Device is: PCI 00:08:0
> > > > > > >  (WW) TRIDENT: No matching Device section for instance (BusID PCI:1:0:0) 
> > > > > > > found
> > > > > > >  (EE) No devices detected.
> > > > > > >  
> > > > > > >  Fatal server error:
> > > > > > >  no screens found
> > > > > > 
> > > > > > >(--) PCI:*(0:8:0) Silicon Integrated Systems [SiS] SiS300/305 PCI/AGP VGA 
> > > > > > >Display Adapter rev 144, Mem @ 0xd0000000/27, 0xe0000000/17, I/O @ 
> > > > > > >0xdc00/7
> > > > > > >(--) PCI: (1:0:0) Trident Microsystems CyberBlade/i1 rev 106, Mem @ 
> > > > > > >0xdd800000/23, 0xde000000/17, 0xdd000000/23
> > > > > > 
> > >        [...]
> > 
> > Well, the primary card is the one that you get the BIOS boot messages
> > on, and which Linux boots on.  Since your monitor is plugged into
> > the add-in PCI card, it's almost certain that it is the SiS card.
> > So that's the driver you need to be using.  The VideoRam lines
> > usually should be commented out, so don't worry about that.  I'm
> > not up on which SiS cards are supported by the 4.3 sis driver, but
> > since Thomas is following this thread, I'm sure he can help with
> > that.
> > 
> > Have you tried modifying your XFree86 4.x config to use the "sis" driver
> > instead of the "trident" driver?
>
>Do I have to do anything besides change "Trident" to "SiS"?  E.g., do
>I need to specify a Busid?

If you change the line

   Driver "trident"

to

   Driver "sis"

that should do it.

Also, remove any Busid line you might have added.

David
-- 
David Dawes
developer/release engineer                      The XFree86 Project
www.XFree86.org/~dawes
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