Help needed: connecting DVI TFT monitor to MGA G550 card

[Christian Gusenbauer]

Hi Everyone!

Hmm, it seems to be so simple: take a DVI cable, connect it with the monitor 
and the G550 card, start FreeBSD (current), change some settings in the 
xorg.conf file and then start X.

Well, I failed miserably :-(.

The only resolutions working are 800x600 and 640x480 but the 1280x1024 I'd 
like to get does not work. The monitor says something like "frequency out of 
range" and/or "cable not connected". I tried it with W2K and there it works, 
so I don't think it's a problem relating to the cable. I can't find anything 
in the xorg.0.log file which seems to be a configuration error.

Is there anything I forgot to do? I'm running FreeBSD current as of last week 
and the monitor is a BenQ 783.

Any help is appreciated! I attach the current xorg.conf and a Xorg.0.log as 
compressed tar.

Many thanks and please reply to me directly, because I'm not subscribed to 
this list!

Christian.