Specify the virtual screen size in your /etc/X11/XF86Config. Here's a
portion of mine:
# The Colour SVGA server
Section "Screen"
Driver "svga"
# Use Device "Generic VGA" for Standard VGA 320x200x256
#Device "Generic VGA"
Device "matrox"
Monitor "iiyama"
Subsection "Display"
Depth 8
# Omit the Modes line for the "Generic VGA" device
Modes "640x480" "800x600" "1024x768" "1280x1024"
ViewPort 0 0
# Use Virtual 320 200 for Generic VGA
EndSubsection
Subsection "Display"
Depth 16
Modes "640x480" "800x600" "1024x768" "1280x1024"
ViewPort 0 0
EndSubsection
Subsection "Display"
Depth 24
Modes "640x480" "800x600" "1024x768" "1280x1024"
ViewPort 0 0
EndSubsection
Subsection "Display"
Depth 32
Modes "1280x1024" "640x480" "800x600" "1024x768"
ViewPort 0 0
Virtual 1280 1024
EndSubsection
EndSection
This is in the Screen Sections portion of the file. I run X at a color
depth of 32 bpp at 1280x1024. You can see in the 32 bpp section, I have
a Virtual setting of 1280 1024. Good luck,
Hidong
Charlie Wang wrote:
>
> I installed X 4.0.1 on Redhat 6.2, kernel 2.2.16-3 with i810 chipset, now I
> found the monitor could ran 1280x1024 @61Hz within the screen well, or
> 1024x768 @85Hz but in a larger than screen window.
>
> I wonder how should I modify /etc/X11/XFconfig to run 1024x768 @85Hz within
> the screen well(similar to current 1280x1024@61Hz mode) without in a larger
> than screen window.
>
> Thanks
>
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