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So here is the setup:
Radeon X1300 w/ 2 DVI connectors.
Monitor 1 (on the left): 1680x1050
Monitor 2 (on the right): 1920x1200
What I want:
+-----+--------+
| 1 | 2 |
| |--------+
|-----|
Monitor 1 in Portrait Mode
Moniotor 2 in Landscape Mode
Currently I am using the xf86-video-ati driver and trying to use xrandr. Can anyone help me with configuring this?
Is this even possible with xrandr? Or should I try the catalyst driver?
Output from xrandr
DVI-1 connected 1680x1050+0+0 (normal left inverted right x axis y axis) 434mm x 270mm
1680x1050 59.9*+
1600x1024 60.2
1400x1050 60.0
1280x1024 75.0 60.0 60.0
1440x900 59.9
1280x960 60.0
1360x768 59.8
1152x864 75.0 75.0 75.0 70.0 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 75.0 60.0 59.9
720x400 70.1
DVI-0 connected 1920x1200+0+0 (normal left inverted right x axis y axis) 519mm x 324mm
1920x1200 60.0*+
1600x1200 60.0 60.0
1680x1050 60.0 60.0
1600x1024 60.2
1400x1050 74.8 70.0 60.0
1280x1024 75.0 60.0 60.0
1440x900 59.9
1280x960 60.0
1360x768 59.8
1152x864 75.0 75.0 75.0 70.0 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 75.0 60.0 59.9
720x400 70.1
Last edited by timetrap (2008-12-22 19:08:14)
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You could try arandr in the AUR, I find it's handy for setting up the right xrandr command.
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Thanks for your help!
I installed arandr and was using it to setup my desktops. I ended up adding the following info to my xorg.conf
Section "Screen"
...
SubSection "Display"
Virtual 3000 1700
...
The last bit. "Virutal: is what I added. you need to take the maxium width of both screens and add them up. Then take the largest width of the two and use it for the second number.
1050 + 1920 = 2970
1680 > 1200 = 1680
Then due to a wierd bug in arandr [don't let the two screens touch in the GUI], I had ended up rounding off the numbers to:
3000 1700
Except now I have run straight into this this bug.
Marked as solved. Thanks again.
Last edited by timetrap (2008-12-22 19:38:19)
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Update:
I fixed the slow bug in the radeon driver. (mentioned in my last post)
Whenever the xf86-video-ati (aka radeon) driver encouters a rotated screen the it becomes PAINFULLY slow.
so I added the following to my xorg.conf:
Section "Device"
...
Option "AccelMethod" "EXA"
...
I am seeing much better speeds now.
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Thanks timetrap.
I was having a similar problem after deciding to switch to the opensource drivers due to the move of catalyst from the repos to AUR. I have two 1280x1024 monitors. To get it working I had to set virtual to 2 x 1280 and 2x1024 giving:
Virtual 2560 2048
I am currently using gnome which incorporates a display utility for controlling xrandr and this didn't seem to have a problem with rounding.
A nice spin-off of my move to the opensource driver is that I can now run compiz in side by side mode---the catalyst drivers would only let me run catalyst in dual head when I had it set up as over-under (this led to some novel mental habits being developed to navigate my horizontally arranged monitors which must now be gladly unlearned :-) ).
My frame rate from glxgears has dropped slightly (from a little over 1000 to just over 900 which I think I can live with as this is my work desktop so no gaming required).
Last edited by alennon (2009-05-13 16:22:06)
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It took me a little while to figure all this stuff out. I am glad it helped.
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