radeon 9000 (rv250) dvi 1920x1200 troubles

[Andre Puschmann]

Alex Deucher wrote:
> (II) RADEON(0): Modeline "1920x1200"x60.0  154.00  1920 1968 2000 2080
> 1200 1203 1209 1235 -hsync +vsync (74.0 kHz)
> 
> the problem is you are using xserver 1.3 which had a bug when parsing
> sync polarity from edid.  the sync polarities are reversed and many
> LCDs don't like that.  try the following modeline:
> Modeline "1920x1200R"  154.00  1920 1968 2000 2080  1200 1203 1209
> 1235 +hsync -vsync
> 
> xrandr --newmode "1920x1200R"  154.00  1920 1968 2000 2080  1200 1203
> 1209 1235 +hsync -vsync
> xrandr --addmode DVI-0 "1920x1200R"
> xrandr --output DVI-0 --mode "1920x1200R"
> 
> Check to see if your distro provides a patch to fix that or upgrade to
> a newer xserver.
> 
> Alex

Thanks for your prompt reply.
Unfortunately this doesn't work either. I already tried this settings as
this was one of the modelines I found with google.

I also tried the newest Ubuntu Live-CD with the same results (xserver
1.4). But I will check again, if this version auto-detects the edid
values correctly.

And even worse, my monitor doesn't provide any error output. I just
stays black.

Maybe this problem is really because my video card can't provide the
right signal?
Is there anybody out there who runs a radeon 9000 with a resolution of
1920x1200px?

Best regards,
	Andre