Choosing the Vertical refresh frequency range of your monitor. Modeline names may be altered. Display qwirks For higher refresh rates, raise the dotclock of your modeline. Xfree throws out modelines with dotclocks too high for your Vsynch and Hsynch ranges. SVGA server is being used, but no chipset has been specified.
Color is bad in programs.
Make sure you have a Depth directive in the proper Screen section.