> This will not help, X things everything is ok, it is just the graphic
> card output which is problematic. No way to find it in the log, you have
> to look at the way the graphic output registers are programmed. 

Attached is XFree86.0.log after putting #define DEBUG 1 at the top of
pm2v_dac.c.  For some reason this makes the right head usable, but the
left head is at the wrong resolution and distorted.