Alors j'ai dû branché le rétro avant de sauvegarder mon xorg.conf mais à ce moment là le rétro n'affichait rien. J'ai ensuite sauvegardé mon xorg.conf pour en créer un nouveau pour faire fonctionner le rétro.
Voici mon fichier xorg.conf que j'ai essayé de refaire depuis zéro.
# nvidia-xconfig: X configuration file generated by nvidia-xconfig
# nvidia-xconfig: version 1.0 (buildmeister@builder3) Tue Nov 22 18:04:42 PST 2005
Section "ServerLayout"
Identifier "Layout0"
Screen 0 "Screen0"
InputDevice "Keyboard0" "CoreKeyboard"
InputDevice "Mouse0" "CorePointer"
EndSection
Section "Files"
RgbPath "/usr/X11R6/lib/X11/rgb"
FontPath "unix/:7100"
EndSection
Section "Module"
Load "dbe"
Load "extmod"
Load "type1"
Load "freetype"
Load "glx"
EndSection
Section "InputDevice"
# generated from data in "/etc/sysconfig/mouse"
Identifier "Mouse0"
Driver "mouse"
Option "Protocol" "IMPS/2"
Option "Device" "/dev/input/mice"
Option "Emulate3Buttons" "no"
Option "ZAxisMapping" "4 5"
EndSection
Section "InputDevice"
# generated from data in "/etc/sysconfig/keyboard"
Identifier "Keyboard0"
Driver "kbd"
Option "XkbLayout" "fr"
Option "XkbModel" "pc105"
EndSection
Section "Monitor"
Identifier "Monitor0"
VendorName "Unknown"
ModelName "Unknown"
HorizSync 30.0 - 110.0
VertRefresh 50.0 - 150.0
Option "DPMS"
EndSection
Section "Device"
Identifier "Device0"
Driver "nvidia"
VendorName "NVIDIA Corporation"
Option "TwinView" "true"
Option "TwinViewOrientation" "RightOf"
Option "ConnectedMonitor" "DFP-0, DFP-1"
Option "UseEdidFreqs" "true"
#Option "TVOutFormat" "S-VIDEO"
#Option "TVStandard" "PAL-N"
#Option "SecondMonitorHorizSync" "30-50"
#Option "SecondMonitorVertRefresh" "60"
Option "MetaModes" "1280x800,1280x1024"
EndSection
Section "Screen"
Identifier "Screen0"
Device "Device0"
Monitor "Monitor0"
DefaultDepth 24
SubSection "Display"
Depth 24
Modes "1280x800"
EndSubSection
EndSection
Mon ancien fichier qui fonctionnait est le suivant :
Section "ServerLayout"
Identifier "single head configuration"
# Screen 0 "Screen0" 0 0
Screen "Screen0"
#Option "TwinViewOrientation" "RightOf"
InputDevice "Mouse0" "CorePointer"
InputDevice "Keyboard0" "CoreKeyboard"
EndSection
Section "Files"
RgbPath "/usr/X11R6/lib/X11/rgb"
FontPath "unix/:7100"
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 "kbd"
Option "XkbModel" "pc105"
Option "XkbLayout" "fr"
EndSection
Section "InputDevice"
Identifier "Mouse0"
Driver "mouse"
Option "Protocol" "IMPS/2"
Option "Device" "/dev/input/mice"
Option "ZAxisMapping" "4 5"
Option "Emulate3Buttons" "yes"
Option "Xinerama" "off"
Option "Clone" "on"
EndSection
Section "Monitor"
Identifier "Monitor0"
VendorName "Monitor Vendor"
ModelName "Dell 1400x1050 Laptop Display Panel"
HorizSync 30.0 - 107.0
VertRefresh 50.0 - 185.0
ModeLine "1280x800" 159.7 1280 1296 1552 1664 800 800 815 835
Option "dpms"
EndSection
Section "Device"
Identifier "Videocard0"
Driver "nvidia"
#Driver "nv"
VendorName "Videocard vendor"
BoardName "NVIDIA GeForce 4"
EndSection
Section "Device"
Identifier "BIECRAN"
Driver "nvidia"
VendorName "nvidia"
# Option "TwinView"
#Option "NoLogo"
#Option "NoDDC" "1"
#Option "IgnoreEDID" "1"
#Option "GenerateRTList" "0"
#Option "OverridePolarity" "1"
#Option "CursorShadow" "on"
#Option "NvAGP" "3"
#Option "DigitalVibrance" "0"
Option "TwinView" "true"
#Option "SecondMonitorHorizSync" "30-50"
#Option "SecondMonitorVertRefresh" "60"
Option "TwinViewOrientation" "Xinerama"
#Option "MetaModes" "1280x1024,800x600;800x600,800x600"
Option "SecondMonitorHorizSync" "30-107"
Option "SecondMonitorVertRefresh" "50-185"
# Option "TwinViewOrientation" "RightOf"
Option "MetaModes" "1024x768,1280x800"
# Option "MetaModes" "1280x800"
EndSection
Section "Screen"
Identifier "Screen0"
Device "BIECRAN"
Monitor "Monitor0"
DefaultDepth 24
#Option "TwinView" "true"
Option "TwinViewOrientation" "LeftOf"
#Option "Xinerama" "true"
SubSection "Display"
Depth 24
# Modes "1024x768" "1280x800"
Modes "1280x800"
EndSubSection
EndSection
Section "DRI"
Group 0
Mode 0666
EndSection
Ce fichier fonctionne chez mon collègue qui a les même matériel.