ho preso da poco la scheda video in oggetto e mi succede una cosa curiosa: la shell viene visualizzata sia sul monitor principale che sul secondario, mentre X parte solo sul secondario e io vorrei l'opposto... questo l'XF86Config-4 generato da glrxconfig e ripulito dei commenti:

Section "dri"
Mode 0666
EndSection

Section "Module"
Load "dbe" # Double buffer extension
SubSection "extmod"
EndSubSection
Load "type1"
Load "freetype"
Load "glx"
Load "dri"
EndSection

Section "Files"
RgbPath "/usr/X11R6/lib/X11/rgb"
FontPath "/usr/X11R6/lib/X11/fonts/misc/"
FontPath "/usr/X11R6/lib/X11/fonts/75dpi/:unscaled"
FontPath "/usr/X11R6/lib/X11/fonts/100dpi/:unscaled"
FontPath "/usr/X11R6/lib/X11/fonts/Type1/"
FontPath "/usr/X11R6/lib/X11/fonts/Speedo/"
FontPath "/usr/X11R6/lib/X11/fonts/75dpi/"
FontPath "/usr/X11R6/lib/X11/fonts/100dpi/"
EndSection

Section "InputDevice"
Identifier "Keyboard1"
Driver "Keyboard"
Option "AutoRepeat" "500 30"
Option "XkbRules" "xfree86"
Option "XkbModel" "pc101"
Option "XkbLayout" "us"
EndSection

Section "InputDevice"
Identifier "Mouse1"
Driver "mouse"
Option "Corepointer"
Option "SendCoreEvents" "true"
Option "Protocol" "ImPS/2"
Option "ZAxisMapping" "4 5"
Option "Device" "/dev/input/mice"
EndSection

Section "Monitor"
Identifier "Monitor0"
HorizSync 30-96
VertRefresh 50-160
Option "DPMS"
EndSection

Section "Device"
Identifier "ATI Graphics Adapter0"
Driver "fglrx"
Option "AGPMode" "4"
#Option "NoDDC"
Option "no_accel" "no"
Option "no_dri" "no"
Option "mtrr" "off"
Option "DesktopSetup" "0x00000000"
Option "MonitorLayout" "AUTO, AUTO"
Option "IgnoreEDID" "off"
Option "HSync2" "unspecified"
Option "VRefresh2" "unspecified"
Option "ScreenOverlap" "0"
Option "NoTV" "yes"
Option "TVStandard" "NTSC-M"
Option "TVHSizeAdj" "0"
Option "TVVSizeAdj" "0"
Option "TVHPosAdj" "0"
Option "TVVPosAdj" "0"
Option "TVHStartAdj" "0"
Option "TVColorAdj" "0"
Option "GammaCorrectionI" "0x00000000"
Option "GammaCorrectionII" "0x00000000"
Option "Capabilities" "0x00000000"
Option "VideoOverlay" "on"
Option "OpenGLOverlay" "off"
Option "CenterMode" "off"
Option "PseudoColorVisuals" "off"
Option "Stereo" "off"
Option "StereoSyncEnable" "1"
Option "FSAAEnable" "no"
Option "FSAAScale" "1"
Option "FSAADisableGamma" "no"
Option "FSAACustomizeMSPos" "no"
Option "FSAAMSPosX0" "0.000000"
Option "FSAAMSPosY0" "0.000000"
Option "FSAAMSPosX1" "0.000000"
Option "FSAAMSPosY1" "0.000000"
Option "FSAAMSPosX2" "0.000000"
Option "FSAAMSPosY2" "0.000000"
Option "FSAAMSPosX3" "0.000000"
Option "FSAAMSPosY3" "0.000000"
Option "FSAAMSPosX4" "0.000000"
Option "FSAAMSPosY4" "0.000000"
Option "FSAAMSPosX5" "0.000000"
Option "FSAAMSPosY5" "0.000000"
Option "UseFastTLS" "0"
Option "BlockSignalsOnLock" "on"
Option "UseInternalAGPGART" "yes"
Option "ForceGenericCPU" "no"
BusID "PCI:1:0:0"
Screen 0
EndSection

Section "Screen"
Identifier "Screen0"
Device "ATI Graphics Adapter"
Monitor "Monitor0"
DefaultDepth 24
Subsection "Display"
Depth 24
Modes "1280x1024"
ViewPort 0 0
EndSubsection
EndSection

Section "ServerLayout"
Identifier "Server Layout"
Screen "Screen0"
InputDevice "Mouse1" "CorePointer"
InputDevice "Keyboard1" "CoreKeyboard"
EndSection
qualche idea? la cosa strana e' che il BusID e' corretto, se si trattasse del secondario dovrei indicare PCI:1:0:1 come da output di lspci... boh?