Op 20-05-09 09:06, Oliver Block schreef: > Dear list, > > I have a problem setting up the resolution of my external monitor > connected to the VGA output of my laptop. The graphics controller is: > > 01:00.0 VGA compatible controller: ATI Technologies Inc Radeon Mobility > X1400 > > The laptop display has a native resolution of 1680x1050. The external > screen as a (maximal) resolution of 1920x1080. > > I would like to be able to change the resolution to 1920x1080 and to see > just a part of this on the laptop display. > > But xrandr does not let me do this: > > $ xrandr > Screen 0: minimum 320 x 200, current 1680 x 1050, maximum 1920 x 1080 > VGA_1 connected 1680x1050+0+0 478mm x 269mm > 1680x1050 60.0* 59.9 > 1400x1050 74.8 70.0 60.0 > 1280x1024 75.0 59.9 60.0 > 1440x900 74.9 60.2 60.0 > 1280x960 60.0 59.9 > 1280x800 60.0 > 1152x864 75.0 74.9 > 1280x768 60.0 > 1024x768 75.1 75.0 70.1 60.0 > 832x624 74.6 > 800x600 72.2 75.0 60.3 56.2 > 640x480 75.0 72.8 72.8 75.0 66.7 60.0 59.9 > > 720x400 70.1 > PANEL connected 1680x1050+0+0 331mm x 207mm > 1680x1050 60.1*+ > TV_SVIDEO disconnected > DVI-D_1 disconnected >
> > Can someone explain me why I cannot select 1920x1080 as a resolution? > Any hints what to do? >From what I understand you want "panning". I would do it with this command: xrandr --output PANEL --mode 1680x1050 --panning 1920x1080 However, it requires xrandr 1.3, I don't know if your driver has already support for this new version. Eric
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