Bug#529178: video-radeon: Probably hardware limitation

[Alex Deucher]

On Wed, Jul 22, 2009 at 3:47 PM, Michal Suchanek<hramrach at centrum.cz> wrote:
> Package: xserver-xorg-video-radeon
> Followup-For: Bug #529178
>
> This is probably a hardware limitation of the card.
>
> AFAIK dual-link dvi is needed for modes above 1280x1024 to work reliably
> over DVI. Some card - monitor combinations might work but others would
> not.
>
> Better cards have higher-rate transmitters that can do modes slightly
> larger than 1280x1024 but a 22" screen is likely over-spec for any
> single link card so there is no guarantee it will work.

165 Mhz is the single link limit.  With reduced blanking you can run
1920x1200 at 60Hz.  Most dual link monitors start out around 2560x1600.

Alex