(In reply to comment #14)
> I use a modeline in my xorg.conf to get a usable mode at all with version 2.1
> (fixed meanwhile in version 2.2, which I would use this this bug would't be
> present). So I guess that 2.1 and 2.2 use the same mode.
So which modeline is working with your card?
And would you please attach your xorg log with "modedebug" turned on?