If you need to make adjustments to the video display,
xvidtune is the tool to use.
Simply enter the command
xvidtune from a shell prompt
within an xterm. Read the warning and click on
Next click on the
Now click on whatever combination of
Shorter/Taller/Wider/Narrower is need to adjust
the display to your liking.
If you are using a recent S3-based card there will be some extra buttons and entries at the bottom (InvertVCLK, EarlySC, and Blank Delays). These can help solve problems of the display wrapping around a few pixels.
Once the display has been adjusted properly, press the
button to printout the correct
ModeLine to put in the
XF86Config to make the server always use the current
display settings. To aid in copying this information to your
XF86Config file, the modeline is also made the current
selection allowing you to just paste it into your editor.
If you would like to adjust your other modes, you can click
Prev buttons to switch modes.
When you are through using
xvidtune simply press on the