On Jan 28, 2008 4:51 AM, Michele Mattioni <[EMAIL PROTECTED]> wrote: > On Jan 28, 2008 6:17 AM, Alex Deucher <[EMAIL PROTECTED]> wrote: > > > > On Jan 27, 2008 8:08 PM, Michele Mattioni <[EMAIL PROTECTED]> wrote: > > > Hello list, > > > > > > I have a laptop with a Mobility 9000 radeon and an external monitor > > > form Acer 22inches. > > > > > > I'm using an ubuntu gutsy and the version of the xserver-xorg-video-ati is > > > 1:6.7.195-1ubuntu2 > > > > > > xrandr detect correctly the monitor: > > > > > > [EMAIL PROTECTED]:~]$ xrandr -q > > > Screen 0: minimum 320 x 200, current 1680 x 1050, maximum 1680 x 1200 > > > VGA-0 connected 1680x1050+0+0 (normal left inverted right) 474mm x 296mm > > > 1680x1050 60.0*+ 60.0 > > > 1600x1200 59.9 > > > 1280x1024 75.0 59.9 > > > 1440x900 75.0 59.9 > > > 1280x960 59.9 > > > 1280x720 59.9 > > > 1024x768 75.1 70.1 60.0 > > > 832x624 74.6 74.8 > > > 800x600 72.2 75.0 60.3 56.2 > > > 640x480 75.0 72.8 66.7 60.0 > > > 720x400 70.1 > > > LVDS connected 1400x1050+0+0 (normal left inverted right) 0mm x 0mm > > > 1400x1050 61.8*+ > > > 1280x800 60.0 > > > 1280x768 60.0 > > > 1024x768 60.0 > > > 800x600 60.3 > > > 640x480 59.9 > > > S-video disconnected (normal left inverted right) > > > > > > However I can't see any image on the screen. > > > The screen is somehow blue, and if I give the instruction like > > > [EMAIL PROTECTED]:~]$ xrandr --output VGA-0 --off > > > > > > the screen turns black. > > > So I guess it's responding. > > > > > > My Xorg log is here: > > > http://www.ebi.ac.uk/~mattioni/log/Xorg.0.log > > > Do you have any idea? > > > > This sounds like a sync polarity issue. Do any other modes on your > > monitor work? According to your log, you have two 1680x1050 modes > > with different polarities: > > > 1680x1050 60.0*+ 60.0 > > (II) RADEON(0): Modeline "1680x1050"x60.0 146.25 1680 1784 1960 2240 > > 1050 1053 1059 1089 +hsync -vsync (65.3 kHz) > > (II) RADEON(0): Modeline "1680x1050"x60.0 146.25 1680 1784 1960 2240 > > 1050 1053 1059 1089 -hsync +vsync (65.3 kHz) > > see if switching to the other one makes the monitor work (use xrandr > > --verbose to look up the mode ids). > > > > Alex > > > > Thanks Alex for the quick answer, > can you tell me how I can switch the polarities? >
The following should work: xrandr --newmode "1680x1050_60.00" 146.25 1680 1784 1960 2240 1050 1053 1059 1089 -hsync +vsync xrandr --addmode VGA-0 "1680x1050_60.00" xrandr --output VGA-0 --mode "1680x1050_60.00" Alex _______________________________________________ xorg-driver-ati mailing list [email protected] http://lists.x.org/mailman/listinfo/xorg-driver-ati
