Re: FX 5200 DVI: No valid modes for "1680x1050"; removing.
Is your monitor connected via DVI or analog ?
Option "ModeValidation" "CRT-0:NoEdidModes"
o not use EDID modes and do not perform the maximum pixel clock check on CRT-0.
This sounds for me that the driver use the calculated modes with 146.25 MHz
pixel clock and this is to high for my monitor (135 MHz). I don't want to kill it.
The readme does not describe what happen when the driver does not use