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Since I installed the Arch, I found that the Arch wiki is very detailed. I even found a DisplayLink setup page for my displaylink device.
So after I installed the XFCE4, I tried to make my 3rd monitor work by using the DisplayLink USB External Graphic Card.
However, My Arch works well without configuration of Xorg, but I am only able to find 2 monitors in the xrandr --current output.
Screen 0: minimum 320 x 200, current 1920 x 1880, maximum 8192 x 8192
LVDS1 connected 1280x800+0+1080 (normal left inverted right x axis y axis) 261mm x 163mm
1280x800 60.0*+ 50.0
1024x768 60.0
800x600 60.3 56.2
640x480 59.9
VGA1 connected 1920x1080+0+0 (normal left inverted right x axis y axis) 510mm x 287mm
1920x1080 60.0*+
1680x1050 60.0
1680x945 60.0
1400x1050 74.9 60.0
1600x900 60.0
1280x1024 75.0 60.0
1440x900 75.0 59.9
1280x960 60.0
1366x768 60.0
1360x768 60.0
1280x800 74.9 59.8
1152x864 75.0
1280x768 74.9 59.9
1024x768 75.1 70.1 60.0
1024x576 60.0
800x600 72.2 75.0 60.3 56.2
848x480 60.0
640x480 72.8 75.0 60.0
720x400 70.1
HDMI1 disconnected (normal left inverted right x axis y axis)
DP1 disconnected (normal left inverted right x axis y axis)
HDMI2 disconnected (normal left inverted right x axis y axis)
DP2 disconnected (normal left inverted right x axis y axis)
DP3 disconnected (normal left inverted right x axis y axis)
So I do what the wikipage says, touch a new configuration file in /etc/X11/xorgconf.d, and write a configuration into it.
################ DisplayLink Stuff ###################
Section "Device"
Identifier "DisplayLinkDevice"
Driver "fbdev"
BusID "USB" # needed to use multiple DisplayLink devices
Option "fbdev" "/dev/fb1" # change to whatever device you want to use
# Option "rotate" "CCW" # uncomment for rotation
EndSection
Section "Device"
Identifier "InnerDisplayDevice"
Driver "intel"
BusID "PCI:0000:00:02"
EndSection
Section "Monitor"
Identifier "DisplayLinkMonitor"
EndSection
Section "Monitor"
Identifier "DisplayLinkMonitor1"
EndSection
Section "Screen"
Identifier "DisplayLinkScreen"
Device "DisplayLinkDevice"
Monitor "DisplayLinkMonitor"
DefaultDepth 16
EndSection
Section "Screen"
Identifier "DisplayLinkScreen1"
Device "InnerDisplayDevice"
Monitor "DisplayLinkMonitor1"
DefaultDepth 16
EndSection
however, only the monitor which connect to Displaylink USB Graphic Card works, when I use xrandr --current, there only show 1 monitor.
Any guys knows how to figure out the problem? Thanks a lot.
BTW, my internal Graphic Card is:
00:02.0 VGA compatible controller: Intel Corporation Mobile 4 Series Chipset Integrated Graphics Controller (rev 07)
Last edited by suley (2012-12-04 00:46:29)
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The wiki entry you linked could be written a little better.
You don't show a ServerLayout like the wiki says but doesn't show fully.
Section "ServerLayout"
Screen 0 "DisplayLinkScreen"
Screen 1 "Internal" RightOf "DisplayLinkScreen"
Option "Xinerama" "on"
EndSection
HTH
You're just jealous because the voices only talk to me.
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