I could be wrong. But the only Matrox drivers that work with DVI are
the closed source ones on Matox's website. The one's that come with
xorg only support analouge output. But nvidia's & ati's drivers do
support DVI though.
Yeah here is a sinpet from "man mga"
Support for the second head on G400
cards requires a binary-only "mga_hal" module that is available from
Matrox <http://www.matrox.com>, and may be on the CD supplied with the
card. That module also provides various other enhancements, and may
be necessary to use the DVI (digital) output on the G550 (and other
cards).
On 6/6/05, Daniel Roesen <dr@xxxxxxxxxx> wrote:
> On Mon, Jun 06, 2005 at 01:23:33PM +0200, Daniel Roesen wrote:
> > DVI still doesn't work, but I'm used to that from FC1 too. It looks
> > like the Modeline chosen has a pixel clock of 162MHz, and Xorg/XFree
> > refusing to use modes with more than 160MHz, even that DVI can do
> > 165MHz on single link. So to get DVI going I guess I have to play around
> > with custom ModeLines for my Dell 2001FP. Which sucks.. the last time I
> > had to do such stuff was 1995. :-)
>
> FWIW, the 2001FP is reporting a max pixel clock of 160MHz in the DDC
> info, so the panel isn't playing nice.
>
> Tried with a custom ModeLine using only 112MHz which didn't let Xorg
> complain, but still no real display (just flickering, and OSD saying
> 1600x1200 @ 0Hz!).
>
> Well, but that's another topic anyway... :-)
>
>
> Best regards,
> Daniel
>
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