I have a Thinkpad T40 (2373) with a Radeon M7 video card. It is connected to
a Sony X93 external LCD monitor.
With Mandrake 9.2, 10.0, and 10.1 running XFree and more recently XOrg through
verson 6.8, the XF86Config file shown below allowed me to work with a single
virtual desktop spanning the internal and external LCDs (Xinerama).
I recently upgraded to Mandriva 2006 which uses XOrg 6.9. The virtual desktop
remains, but no signal is sent to the external monitor and as a result I can
only see the left portion of the virtual desktop. The problem isn't fixed by
cycling through the internal/external/both monitor signal (Fn+F7) setting.
Can anyone explain why the change in behavior and suggest a way to fix?
TIA
Paul
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#Dual headed XF86Config for IBM Thinkpad T40-257551U
#Radeon M7 7500
#Works for XFree 4.3, X.org 6.7 and 6.8
#Rename file as necessary for distribution
#originally from Diego Zamboni / linux-thinkpad list
#Section "ServerLayout"
# Identifier "Default Layout"
# Screen 0 "Screen0" 0 0
# InputDevice "Mouse0" "CorePointer"
# InputDevice "Keyboard0" "CoreKeyboard"
# InputDevice "DevInputMice" "AlwaysCore"
#EndSection
#Section "ServerLayout"
# Identifier "Singlehead"
# Screen 0 "Screen0" 0 0
# Screen "Screen0"
# Screen "Screen1" RightOf "Screen0"
# InputDevice "Mouse0" "CorePointer"
# InputDevice "Keyboard0" "CoreKeyboard"
# InputDevice "DevInputMice" "AlwaysCore"
#EndSection
Section "ServerLayout"
Identifier "Multihead"
# Screen 0 "Screen0" 0 0
Screen "Screen0"
Screen "Screen1" RightOf "Screen0"
Option "Xinerama" "true"
InputDevice "Mouse0" "CorePointer"
InputDevice "Keyboard0" "CoreKeyboard"
InputDevice "DevInputMice" "AlwaysCore"
EndSection
Section "Files"
# Multiple FontPath entries are allowed (they are concatenated together)
# By default, Mandrake 6.0 and later now use a font server independent of
# the X server to render fonts.
FontPath "unix/:-1"
EndSection
Section "Module"
Load "dbe"
Load "extmod"
Load "fbdevhw"
Load "glx"
Load "record"
Load "freetype"
Load "type1"
# Load "dri"
EndSection
Section "InputDevice"
Identifier "Keyboard0"
Driver "keyboard"
Option "XkbRules" "xfree86"
Option "XkbModel" "pc105"
Option "XkbLayout" "us"
EndSection
Section "InputDevice"
Identifier "Mouse0"
Driver "mouse"
Option "Protocol" "PS/2"
Option "Device" "/dev/psaux"
Option "ZAxisMapping" "4 5"
Option "Emulate3Buttons" "yes"
EndSection
Section "InputDevice"
# If the normal CorePointer mouse is not a USB mouse then
# this input device can be used in AlwaysCore mode to let you
# also use USB mice at the same time.
Identifier "DevInputMice"
Driver "mouse"
Option "Protocol" "IMPS/2"
Option "Device" "/dev/input/mice"
Option "ZAxisMapping" "4 5"
Option "Emulate3Buttons" "yes"
EndSection
Section "Monitor"
Identifier "Monitor0"
VendorName "Monitor Vendor"
ModelName "Unprobed Monitor"
# HorizSync 31.5 - 48.5
# VertRefresh 40.0 - 70.0
Option "dpms"
EndSection
Section "Monitor"
Identifier "Monitor1"
VendorName "Monitor Vendor"
ModelName "Unprobed Monitor"
# HorizSync 31.5 - 67.0
# VertRefresh 50.0 - 75.0
Option "dpms"
# Modeline "1280x1024" 135.00 1280 1308 1412 1676 1024 1027 1030
1056
EndSection
Section "Device"
Identifier "Videocard0"
Driver "radeon"
VendorName "Videocard vendor"
BoardName "ATI Radeon Mobility M7"
# VideoRam 32768
Screen 0
BusID "PCI:1:0:0"
EndSection
Section "Device"
Identifier "Videocard1"
Driver "radeon"
VendorName "Videocard vendor"
BoardName "ATI Radeon Mobility M7"
# VideoRam 32768
Screen 1
BusID "PCI:1:0:0"
EndSection
Section "Screen"
# This is the internal LCD display
Identifier "Screen0"
Device "Videocard0"
Monitor "Monitor0"
DefaultDepth 24
SubSection "Display"
Depth 24
Modes "1024x768" "800x600"
EndSubSection
EndSection
Section "Screen"
# This is an external monitor running 1280x1024
Identifier "Screen1"
Device "Videocard1"
Monitor "Monitor1"
DefaultDepth 24
SubSection "Display"
Depth 24
Modes "1280x1024" "1024x768"
EndSubSection
EndSection
#Section "DRI"
# Group 0
# Mode 0666
#EndSection
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