Nathan,

VESA driver does not have such resolution. I had similar problems: my 
AMD laptop has the resolution 1280x800 [which is not supported by VESA 
driver].
What is important -- the driver for your graphic adapter. The graphic 
adapter in my laptop is ATI x1600. The vendor provides the driver for linux.
If your adapter is made by ATI the following rss feed may be useful: 
http://www.ati.com/online/rss/atilinuxdriver.rss?OTC-rssfeedlinux
Find out your manufacturer and search for the driver. For example, 
nVidia drivers could be installed from ATrpms.

Thanks,
Alex
Nathan Moore wrote, On 13/12/06 08:54:
> I've got a AMD box running SL 43 with a graphics adaptor integrated on 
> the mainboard.  I'm currently trying to use a Samsung widescreen LCD 
> panel (941BW) with the machine.  The LCD panel has native resolution 
> of 1440 x 900.  So far as I can tell, the version of Xorg that came 
> with SL 43 doesn't have that resolution as a predefined choice.  I 
> know nothing of linux video drivers, and ask:
>
> (1) The box uses and integrated "VESA" driver to drive the "D-sub"/vga 
> port.  The LCD panel  has both digital and vga/analog/d-sub cables.  
> Would I be better off buying a cheap Nvidia video card with a digital 
> out and connecting that to the display?
>
> (2) I can't seem to get x11 to display with a desktop size of 1440 x 
> 900.  Can I change this through a config file?
>
> (3) My specific Samsung display, model "SyncMaster 941BW", isn't 
> listed as an option in the system-config-display program.  Are there 
> vast differences between the "generic LCD w/ 1440 x 900" setting and 
> another setting tailored for my display?
>
> regards,
>
> NT Moore
>
>
> - - - - - - - - - - - - - - - - - - - - - - -
> Nathan Moore
> Physics
> Winona State University
> AIM:nmoorewsu
>