On Wed, Feb 15, 2006 at 07:17:50PM +0100, Gilbert Fernandes wrote:
> 
> 
> Section "Monitor"
> 	Identifier   "Monitor0"
> 	VendorName   "Monitor Vendor"
> 	ModelName    "Monitor Model"
> 	Option       "DPMS" "1"
> 	Option       "PreferredMode" "1024x768"
> 	Option       "UsePreferredMode" "1"
> 	HorizSync    31.5 - 31.5
> 	HorizSync    35.2 - 35.2
> 	HorizSync    35.5 - 35.5

You have too many HorizSync lines here, only one is needed.
Also I'm not sure these values are right. They looks too low, and may be
the reason why you can't get more than 800x600. Try something lile
	HorizSync    31.5 - 50
maybe ?
The XF86 log file may have more infos about this.

-- 
Manuel Bouyer <bouyer@antioche.eu.org>
     NetBSD: 26 ans d'experience feront toujours la difference
--