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/etc/XF86Config
.
Please search for the following lines. They represent the screen secction. They can normally be found at the end of the file.
Section "Screen" Driver "SVGA" ... SubSection "Display" Depth 8 Modes "1280x1024" "1024x768" "800x600" "640x480" "640x400" Virtual 1280 1024 EndSubSection SubSection "Display" Depth 15 Modes "1280x1024" "1024x768" "800x600" "640x480" "640x400" Virtual 1280 1024 EndSubSection EndSectionThe statement
Virtual
in the subsection "Display" sets
the virtual screen size. If you don't want a virtual screen you can simply
erase these lines. You can also write a comment sign at the beginning of
each of these lines.
In older XFree86 versions (< 3.2 ) a virtual
line was
automatically added by xf86config.
But even after removal of this statement it can still happen, that there is a virtual screen. This will happen if you don't work with the maximum configured resolution.
In the example above 5 different resolutions are available provided that the X server supports that). These are specified in the line
Modes "1280x1024" "1024x768" "800x600" "640x480" "640x400"If you want 1024x768 as default you have to rearrange this line :
Modes "1024x768" "800x600" "640x480" "640x400" "1280x1024"If you start up the X server with this configuration, the virtual screen will have the size 1280x1024 while a resolution of "only" 1024x768 is being used. The reason for this is that the X server always uses a virtual screen with the maximum configured resolution.
Thus, if you want a resolution of 1024x768 without a virtual screen, the following modeline is needed :
Modes "1024x768" "800x600" "640x480" "640x400"I.e., all other resolutions must be smaller than 1024x768.
See also:
Keywords: X-SERVER, XF86CONFIG, INSTALLATION, VIRTUAL SCREEN, VIRTUAL, SCREEN
Categories:
X Server
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