- Sim, é possível
- Você precisará do Xorg para configurar seu sistema.
Section "Monitor" Identifier "monitor1" EndSection Section "Monitor" Identifier "monitor2" EndSection Section "Monitor" Identifier "monitor3" EndSection Section "Monitor" Identifier "monitor4" EndSection Section "Device" Identifier "Card1" Driver "radeon" BusID "PCI:2:0:0" Option "DRI" "off" Screen 0 EndSection Section "Device" Identifier "Card1_2" Driver "radeon" BusID "PCI:2:0:0" Option "DRI" "off" Screen 1 EndSection Section "Device" Option "ZaphodHeads" "DVI-0" Identifier "Card2" Driver "radeon" BusID "PCI:1:0:0" Option "DRI" "off" Screen 0 EndSection Section "Device" Option "ZaphodHeads" "VGA-0" Identifier "Card2_2" Driver "radeon" BusID "PCI:1:0:0" Option "DRI" "off" Screen 1 Option "Rotate" "left" EndSection Section "Screen" Identifier "left" Device "Card1" Monitor "monitor1" EndSection Section "Screen" Identifier "middle" Device "Card1_2" Monitor "monitor2" EndSection Section "Screen" Identifier "right" Device "Card2" Monitor "monitor3" EndSection Section "Screen" Identifier "farright" Device "Card2_2" Monitor "monitor4" EndSection Section "ServerFlags" Option "Xinerama" "True" Option "AIGLX" "False" EndSection Section "ServerLayout" Identifier "layout1" Screen 0 "left" 0 0 Screen "middle" RightOf "left" Screen "right" RightOf "middle" Screen "farright" RightOf "right" Option "Xinerama" "On" EndSection
Espero que isso ajude.