Hi,
Since your "Screen" section in your xorg.conf doesn't contain any modes,
I am assuming the ddc data gathered from your X provided ati drivers are
either incorrect or X defaults to safe values.
Strange, I recall having a similar problem after I upgraded to Xorg 7.1
running linux-2.6.16 kernel.
My monitor has native resolution of 1280x1024 but without explicitly
defining the mode in the "Screen" section, I will only get 1024x768
using the X provided nvidia drivers. If I use the the nvidia provided
drivers, I will receive the proper native resolution but my Xorg log
will contain many warnings about modes not being specified. Also,
without any modes specified, the X session starts slower.
Thus, my "Screen" section looks like this:
Section "Screen"
Identifier "Screen0"
Device "Card0"
Monitor "Monitor0"
SubSection "Display"
Viewport 0 0
Modes "1280x1024"
EndSubSection
EndSection
I only ever use the one mode so this setup is ok. I believe if you want
to use more modes, you will append your desired modes to the "Modes"
line, each separate mode in it own double-quotes.
Perhaps you already tried this?
Hope it works,
Shawn
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