Are you sure that's without any hsync/vrefresh settings as I still see this in the log.....
(II) TRIDENT(0): Monitor gen�rico: Using default hsync range of 31.50-37.90 kHz
(II) TRIDENT(0): Monitor gen�rico: Using default vrefresh range of 50.00-70.00 Hz
Which sounds to me like you are specifying a range ?
If so, try without them and upload a new log or post your xorg.conf too.
Are you sure that's without any hsync/vrefresh settings as I still see this in the log.....
(II) TRIDENT(0): Monitor gen�rico: Using default hsync range of 31.50-37.90 kHz
(II) TRIDENT(0): Monitor gen�rico: Using default vrefresh range of 50.00-70.00 Hz
Which sounds to me like you are specifying a range ?
If so, try without them and upload a new log or post your xorg.conf too.