Dear Torbjørn,
Maybe you can change the xorg.conf like this:
Section "Monitor"
Identifier "VGA-0"
Option "PreferredMode" "800x600"
EndSection
Section "Monitor"
Identifier "DVI-0"
Option "PreferredMode" "800x600"
Option "RightOf"
"VGA-0"
EndSection
If you don't want to specify the mode, the virtual size may be too
small. You can change the virtual size like this, but you can't exceed the
limitation of hardware.
Section "Screen"
DefaultDepth 24
SubSection "Display"
Depth 24
Virtual 2560 2560
EndSubSection
EndSection
Please have a try, thanks!
Best wishes,
Gordon
-----Original Message-----
From: [email protected]
[mailto:[email protected]] On Behalf Of Torbj?rn Thorsen -
Nextline
Sent: 2009年3月16日 20:50
To: [email protected]
Subject: Dual screen on ATI 9600 | NV350 AQ using radeon driver - clone only ?
I have to identical monitors running at 1280x1024.
torbj...@torbjorn-desktop:~$ xrandr | grep connected
VGA-0 connected 1280x1024+0+0 (normal left inverted right x axis y axis)
338mm x 270mm
DVI-0 connected 1280x1024+0+0 (normal left inverted right x axis y axis)
338mm x 270mm
S-video disconnected (normal left inverted right x axis y axis)
The first problem was the Virtual size was too small to fit two of both
outputs, so that got configured in xorg.conf.
Screen 0: minimum 320 x 200, current 1280 x 1024, maximum 2560 x 1024
So now I should be ready for running dual screen ?
torbj...@torbjorn-desktop:~$ xrandr --dryrun --output DVI-0 --right-of VGA-0
screen 0: 2560x1024 675x270 mm 96.33dpi
crtc 0: 1280x1024 60.0 +1280+0 "DVI-0" "VGA-0"
The result of doing this is that both outputs end up with the same
offset, in effect, I can only see the right side of the virtual screen.
torbj...@torbjorn-desktop:~$ xrandr | grep connected
VGA-0 connected 1280x1024+1280+0 (normal left inverted right x axis y
axis) 338mm x 270mm
DVI-0 connected 1280x1024+1280+0 (normal left inverted right x axis y
axis) 338mm x 270mm
I have tried lots of different ways to get them to show the whole
virtual screen, including using --pos, but I can't get them to split.
The outputs always see the same area of the virtual screen.
If anybody could point me in the right direction, I would be very grateful.
-- Torbjørn
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