Re: X server can't display 1280x1024 with mga (G550) and LCD Samsung 193P

[Ralf Schmitt <ralf@brainbot.com>]

Arnaud ESPANEL wrote:

> Hi,
>
> I already post this in debian-user (2 days ago, no answer for the 
> moment), but the issue is not clear for me and may be related to amd64 
> arch.
>
> I used to work with a CRT IIYAMA monitor at 1280x1024. Recently, i
> switched to a Samsung 193P LCD monitor, and couldn't get 1280x1024
> anymore :
> X starts normally, but the screen remains black and displays a message
> indicating it looks for an analog or digital signal.
> I only managed to get 1024x768, 800x600 and 640x480.
> The monitor/video card seem to work well, as win98 works correctly at
> 1280x1024 with the 193P.
> (see below for more details on my configuration/log)
>
> I suspect a misconfiguration or an issue with the mga driver...
> Any ideas?
I had the same problem (with a different system: xorg running on 
freebsd, g550, and a hyundai LCD). I got it working after copying 
modelines from a knoppix generated X config.

- Ralf