本来ならきっとnvidia-settingsとかでうまくいくんだろうけど、ユーティリティがセカンドモニタの方の解像度を低く見積もってしまってうまくいかなかったのであちこち参考にしながら手書き。
…だったんだけど、なかなかしんどかったので、「セカンドモニタの解像度が低いままのxorg.confに解像度の部分だけ書き加える」という方向に変更。
ということで何方かのご参考にでもなれば。
Section "ServerLayout"
Identifier "Layout0"
Screen 0 "Screen0" 0 0
InputDevice "Keyboard0" "CoreKeyboard"
InputDevice "Mouse0" "CorePointer"
EndSection
Section "Files"
FontPath "/usr/share/fonts/default/Type1"
EndSection
Section "Module"
Load "dbe"
Load "extmod"
Load "type1"
Load "freetype"
Load "glx"
EndSection
Section "ServerFlags"
Option "Xinerama" "0"
EndSection
Section "InputDevice"
# generated from default
Identifier "Mouse0"
Driver "mouse"
Option "Protocol" "auto"
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" "us_intl"
Option "XkbModel" "pc105"
EndSection
Section "Monitor"
# HorizSync source: edid, VertRefresh source: edid
Identifier "Monitor0"
VendorName "Unknown"
ModelName "CRT-0"
HorizSync 28.0 - 65.0
VertRefresh 57.0 - 75.0
Option "DPMS"
EndSection
Section "Monitor"
# HorizSync source: builtin, VertRefresh source: builtin
Identifier "Monitor1"
VendorName "Sony"
ModelName "CRT-0"
HorizSync 28.0 - 65.0
VertRefresh 57.0 - 75.0
Option "DPMS"
EndSection
Section "Device"
Identifier "Device0"
Driver "nvidia"
VendorName "NVIDIA Corporation"
BoardName "GeForce 8400 GS"
EndSection
Section "Device"
Identifier "Device1"
Driver "nvidia"
VendorName "NVIDIA Corporation"
BoardName "GeForce 8400 GS"
BusID "PCI:7:0:0"
Screen 1
EndSection
Section "Screen"
Identifier "Screen0"
Device "Device0"
Monitor "Monitor0"
DefaultDepth 24
Option "TwinView" "1"
Option "TwinViewXineramaInfoOrder" "CRT-1"
Option "TwinViewOrientation" "LeftOf"
Option "metamodes" "CRT-0: 1280x1024 +1280+0, CRT-1: 1280x1024 +0+0; CRT-0: nvidia-auto-select +800+0, CRT-1: 800x600 +0+0; CRT-0: nvidia-auto-select +640+0, CRT-1: 640x480 +0+0"
SubSection "Display"
Depth 24
EndSubSection
EndSection
Section "Screen"
Identifier "Screen1"
Device "Device1"
Monitor "Monitor1"
DefaultDepth 24
Option "TwinView" "0"
Option "metamodes" "CRT-0: nvidia-auto-select +0+0"
SubSection "Display"
Depth 24
EndSubSection
EndSection


