> Hello.
> 
> I have a Cirrus Logic CL-GD5434-8 card and a ViewSonic E655. The vert is
> 60.2 Hz,
> and a horizontal of 37.8 KHz. I use XF86Setup. I selected 800x600 as my
> default mode
> with a 24bpp default color set. It doesn't work:
> 
> Connection to X server broken (not verbatim)

Difficult to say without the output from the X server on startup. If you're
using the startx script from a csh you can log it to a file with something
like
startx >& x.log

If you're using xdm instead, I think it puts the stuff in
/usr/X11R6/lib/X11/xdm/xdm-errors

	- Joel