If you have modern hardware, basic configuration is a breeze: you run
the server in a special mode:
.Dx
# \f(CBX -configure\fP
\fI(lots of output)\fP\|
Your XF86Config file is /root/XF86Config.new

To test the server, run 'XFree86 -xf86config /root/XF86Config.new'
.De