Originally Posted by netllama
Please try adding the following to the Device section of xorg.conf:
Option "ExactModeTimingsDVI" "true"
Option "ModeValidation" "NoDFPNativeResolutionCheck"
Note, you should not disable use of the EDID.
Could you comment a bit more on why we might need these two options as I have a lot of issues setting up DVI/HDMI customers at present.