昨天晚上和今天早上都在搞新买显卡的电视输出。本来这个要求并不迫切，但是新买的显卡支持TV-out，忍不住，手痒。好在最后基本搞定。现在唯一的遗憾就是不能做到显示器和电视真正分离(在看TV显示的同时在显示器上干别的)。各位看官如果有什么高招，欢迎留言。
我的显卡是七彩虹的，nvidia 7300GT,因为我实在忍受不了VIA的显卡驱动，最近刚买了这个显卡（VIA的显卡驱动不支持3D，且很不稳定。）。nvidia 7300GT可以用两种方法来实现TV-out。一种是把显卡看成两个设备，一种是把显卡看成一个设备。现在分别贴到下面。其中有两条容易忽视。一个是所谓CRT-0不一定是0,有时会是CRT-1，这就在这上面吃了亏。还有一条就是如果设了虚拟桌面，在用扩展模式时因为screen变大了，我的变成2048×768了，这个参数可能会超过虚拟桌面，造成X无法启动。
看成一个设备的xorg.conf：
Section "ServerLayout"
Identifier "X.org Configured"
Screen 0 "Screen0" 0 0
InputDevice "Mouse0" "CorePointer"
InputDevice "Keyboard0" "CoreKeyboard"
EndSection
Section "Files"
RgbPath "/usr/share/X11/rgb"
ModulePath "/usr/lib64/xorg/modules"
FontPath "/usr/share/fonts/misc/"
FontPath "/usr/share/fonts/TTF/"
FontPath "/usr/share/fonts/OTF"
FontPath "/usr/share/fonts/Type1/"
FontPath "/usr/share/fonts/100dpi/"
FontPath "/usr/share/fonts/75dpi/"
EndSection
Section "Module"
Load "glx"
Load "xtrap"
Load "GLcore"
Load "extmod"
Load "record"
Load "dbe"
Load "dri"
Load "wfb"
Load "freetype"
Load "type1"
EndSection
Section "InputDevice"
Identifier "Keyboard0"
Driver "kbd"
EndSection
Section "InputDevice"
Identifier "Mouse0"
Driver "mouse"
Option "Protocol" "auto"
Option "Device" "/dev/input/mice"
Option "ZAxisMapping" "4 5 6 7"
EndSection
Section "Monitor"
Identifier "Monitor0"
VendorName "Monitor Vendor"
ModelName "Monitor Model"
HorizSync 30-70
VertRefresh 50-160
EndSection
Section "Monitor"
Identifier "Monitor1"
VendorName "Monitor Vendor"
ModelName "Monitor Model"
HorizSync 30-50
VertRefresh 60
EndSection
Section "Device"
Identifier "Card0"
Driver "nvidia"
VendorName "nVidia Corporation"
BoardName "G70 [GeForce 7300 GT]"
BusID "PCI:2:0:0"
Option "NoLogo"
Option "TwinView"
# Option "UseEdidDpi" "no"
#Option "TwinViewOrientation" "RightOf"
Option "TwinViewOrientation" "Clone"
Option "MetaModes" "CRT-1: 1024x768, TV-0: 1024x768"
Option "HorizSync" "CRT-1: 30-70; TV-0: 30-50"
Option "VertRefresh" "CRT-1: 50-160; TV-0: 60"
Option "ConnectedMonitor" "CRT-1, TV-0"
Option "TVStandard" "PAL-D"
Option "TVOutFormat" "SVIDEO"
# Option "TVOverScan" "0.6"
EndSection
Section "Screen"
Identifier "Screen0"
Device "Card0"
Monitor "Monitor0"
SubSection "Display"
Viewport 0 0
Depth 1
EndSubSection
SubSection "Display"
Viewport 0 0
Depth 4
EndSubSection
SubSection "Display"
Viewport 0 0
Depth 8
EndSubSection
SubSection "Display"
Viewport 0 0
Depth 15
EndSubSection
SubSection "Display"
Viewport 0 0
Depth 16
EndSubSection
SubSection "Display"
modes "1024x768" "800x600"
# virtual 1280 960
Viewport 0 0
Depth 24
EndSubSection
EndSection
看成两个设备的xorg.conf:
#Section "ServerLayout"
# Identifier " X.org Configured"
# Screen 0 "Screen0" 0 0
# InputDevice "Mouse0" "CorePointer"
# InputDevice "Keyboard0" "CoreKeyboard"
#EndSection
Section "ServerFlags"
Option "Xinerama" "true"
EndSection
Section "Files"
RgbPath "/usr/share/X11/rgb"
ModulePath "/usr/lib64/xorg/modules"
FontPath "/usr/share/fonts/misc/"
FontPath "/usr/share/fonts/TTF/"
FontPath "/usr/share/fonts/OTF"
FontPath "/usr/share/fonts/Type1/"
FontPath "/usr/share/fonts/100dpi/"
FontPath "/usr/share/fonts/75dpi/"
EndSection
Section "Module"
Load "glx"
Load "xtrap"
Load "GLcore"
Load "extmod"
Load "record"
Load "dbe"
Load "dri"
Load "wfb"
Load "freetype"
Load "type1"
EndSection
Section "InputDevice"
Identifier "Keyboard0"
Driver "kbd"
EndSection
Section "InputDevice"
Identifier "Mouse0"
Driver "mouse"
Option "Protocol" "auto"
Option "Device" "/dev/input/mice"
Option "ZAxisMapping" "4 5 6 7"
EndSection
Section "Monitor"
Identifier "Monitor0"
VendorName "Monitor Vendor"
ModelName "Monitor Model"
HorizSync 30-70
VertRefresh 50-160
EndSection
Section "Monitor"
Identifier "Monitor1"
VendorName "Monitor Vendor"
ModelName "Monitor Model"
HorizSync 30-50
VertRefresh 60
EndSection
Section "Device"
Identifier "Card0"
Driver "nvidia"
VendorName "nVidia Corporation"
BoardName "G70 [GeForce 7300 GT]"
BusID "PCI:2:0:0"
Option "NoLogo"
Option "TwinView"
Screen 0
EndSection
Section "Device"
Identifier "Card1"
Driver "nvidia"
VendorName "nVidia Corporation"
BoardName "G70 [GeForce 7300 GT]"
BusID "PCI:2:0:0"
Option "TVStandard" "PAL-D"
Option "TVOutFormat" "SVIDEO"
Option "TVOverScan" "0.6"
Option "ConnectedMonitor" "TV" # Add this if you're having problems
Screen 1
EndSection
Section "Screen"
Identifier "Screen0"
Device "Card0"
Monitor "Monitor0"
SubSection "Display"
Viewport 0 0
Depth 1
EndSubSection
SubSection "Display"
Viewport 0 0
Depth 4
EndSubSection
SubSection "Display"
Viewport 0 0
Depth 8
EndSubSection
SubSection "Display"
Viewport 0 0
Depth 15
EndSubSection
SubSection "Display"
Viewport 0 0
Depth 16
EndSubSection
SubSection "Display"
modes "1024x768" "800x600"
# virtual 1280 960
Viewport 0 0
Depth 24
EndSubSection
EndSection
Section "Screen"
Device "Card1"
Identifier "Screen1"
Monitor "Monitor1"
DefaultDepth 24
SubSection "Display"
Depth 24
Modes "320x240_50"
EndSubSection
EndSection
Section "ServerLayout"
Identifier "Simple Layout"
Screen 0 "Screen0"
#Screen 1 "Screen1"
Screen 1 "Screen1" RightOf "Screen0"
InputDevice "Mouse0" "CorePointer"
InputDevice "Keyboard0" "CoreKeyboard"
EndSection
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