[mythtv-users] mythtv detects wrong maximum screen resulotion?!?!?!

["José Tomás @ Chico"]

Hi!
I'm using mythbuntu 8.10.

After do apt-get for the drivers for my ATI 3600 (needed to be able to 
see fluid TV without stops) I get the following situation:
When I start mythtv-setup from mythbuntu control center I get the mythtv 
wih correct screen like in img2.jpg.
When mythtv-setup or mythfrontend starts from command line or session 
startup the screen is jammed like in the img1.jpg

This doesn't happen if I use one 19" LCD.

If I look into the logs for mythfrontend I see:
2008-11-13 09:03:57.914 Overriding GUI, width=1920, height=1080 at 0,0
...
2008-11-13 09:03:58.018 MSqlQuery: SELECT data FROM settings WHERE value 
= 'TVVidModeForceAspect0' AND hostname = 'mcchico' ;
2008-11-13 09:03:58.019 max_width: 1920 max_height: 1200
2008-11-13 09:03:58.020 MSqlQuery: SELECT data FROM settings WHERE value 
= 'ISO639Language0' AND hostname = 'mcchico' ;

when my LCD TV is a Samsung LE32A557 that gives only 1920x1080.
So if launch frontend with geometry=1920x1200 the screen is fine, not 
correct since there the vertical 120pixels are out of screen.

How can I have the same beavour of the launch from the 
mythbuntu-control-center? Or how can I correct the detection that says 
"max_width: 1920 max_height: 1200"?
I tried without success changing settings table values related to screen 
resolution.
Thanks!
Tomás
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