Con le nuove versioni di xorg abbiamo il supporto a Xrand, la mia configurazione per il dualhead di una scheda video si è notevolmente semplificata ed ora è molto pù leggibile di prima:
cat /etc/X11/xorg.conf
Section "ServerLayout"
Identifier "Multihead layout"
Screen 0 "Screen0"
InputDevice "Keyboard0" "CoreKeyboard"
EndSection
Section "InputDevice"
Identifier "Keyboard0"
Driver "kbd"
Option "XkbModel" "pc105"
Option "XkbLayout" "it"
EndSection
Section "Monitor"
Identifier "Monitor1"
VendorName "Monitor Vendor"
ModelName "LCD Panel 1280x1024"
Option "dpms"
Option "RightOf" "Monitor2"
EndSection
Section "Monitor"
Identifier "Monitor2"
VendorName "Monitor Vendor"
ModelName "LCD Panel 1280x1024"
Option "dpms"
EndSection
Section "Device"
Identifier "Videocard0"
Driver "radeon"
Option "monitor-VGA-0" "Monitor1"
Option "monitor-DVI-0" "Monitor2"
EndSection
Section "Screen"
Identifier "Screen0"
Device "Videocard0"
DefaultDepth 24
SubSection "Display"
Viewport 0 0
Depth 24
Virtual 2560 1024
EndSubSection
EndSection
Section "DRI"
Mode 0666
EndSection
Questa parte
Option "monitor-VGA-0" "Monitor1"
Option "monitor-DVI-0" "Monitor2"
va fatta seguendo l’output di xrandr -q
xrandr -q
Screen 0: minimum 320 x 200, current 2560 x 1024, maximum 2560 x 1024
VGA-0 connected 1280x1024+1280+0 (normal left inverted right x axis y axis) 338mm x 270mm
1280x1024 60.0*+ 75.0 59.9
1152x864 75.0
1024x768 74.9 75.1 60.0
832x624 74.6
800x600 75.0 74.9 60.3
640x480 75.0 74.8 60.0
720x400 70.1
DVI-0 connected 1280x1024+0+0 (normal left inverted right x axis y axis) 376mm x 301mm
1280x1024 60.0*+ 76.0 75.0 71.9 59.9
1152x864 75.0 74.8
1024x768 75.1 70.1 60.0
832x624 74.6
800x600 72.2 75.0 60.3
640x480 75.0 72.8 66.7 60.0
720x400 70.1
640x350 70.1
S-video disconnected (normal left inverted right x axis y axis)
