Mine

# /etc/X11/xorg.conf (xorg X Window System server configuration file)
#
# This file was generated by dexconf, the Debian X Configuration tool, using
# values from the debconf database.
#
# Edit this file with caution, and see the xorg.conf(5) manual page.
# (Type "man xorg.conf" at the shell prompt.)
#
# This file is automatically updated on xserver-xorg package upgrades *only*
# if it has not been modified since the last upgrade of the xserver-xorg
# package.
#
# If you have edited this file but would like it to be automatically updated
# again, run the following command:
#   sudo dpkg-reconfigure -phigh xserver-xorg

Section "Files"
	FontPath	"/usr/share/fonts/X11/misc"
	FontPath	"/usr/share/fonts/X11/cyrillic"
	FontPath	"/usr/share/fonts/X11/100dpi/:unscaled"
	FontPath	"/usr/share/fonts/X11/75dpi/:unscaled"
	FontPath	"/usr/share/fonts/X11/Type1"
	FontPath	"/usr/share/fonts/X11/100dpi"
	FontPath	"/usr/share/fonts/X11/75dpi"
	# path to defoma fonts
	FontPath	"/var/lib/defoma/x-ttcidfont-conf.d/dirs/TrueType"
EndSection

Section "Module"
	Load	"i2c"
	Load	"bitmap"
	Load	"ddc"
	Load	"dri"
	Load	"extmod"
	Load	"freetype"
	Load	"glx"
	Load	"int10"
	Load	"vbe"
EndSection

Section "InputDevice"
	Identifier	"Generic Keyboard"
	Driver		"kbd"
	Option		"CoreKeyboard"
	Option		"XkbRules"	"xorg"
	Option		"XkbModel"	"pc105"
	Option		"XkbLayout"	"us"
EndSection

Section "InputDevice"
	Identifier	"Configured Mouse"
	Driver		"mouse"
	Option		"CorePointer"
	Option		"Device"		"/dev/input/mice"
	Option		"Protocol"		"ImPS/2"
	Option		"ZAxisMapping"		"4 5"
	Option		"Emulate3Buttons"	"true"
EndSection

Section "InputDevice"
	Driver		"wacom"
	Identifier	"stylus"
	Option		"Device"	"/dev/input/wacom"
	Option		"Type"		"stylus"
	Option		"ForceDevice"	"ISDV4"		# Tablet PC ONLY
EndSection

Section "InputDevice"
	Driver		"wacom"
	Identifier	"eraser"
	Option		"Device"	"/dev/input/wacom"
	Option		"Type"		"eraser"
	Option		"ForceDevice"	"ISDV4"		# Tablet PC ONLY
EndSection

Section "InputDevice"
	Driver		"wacom"
	Identifier	"cursor"
	Option		"Device"	"/dev/input/wacom"
	Option		"Type"		"cursor"
	Option		"ForceDevice"	"ISDV4"		# Tablet PC ONLY
EndSection

Section "Device"
	Identifier	"nVidia Corporation NV20 [GeForce3 Ti 200]"
	Driver		"nv"
	BusID		"PCI:1:0:0"
EndSection

Section "Monitor"
	Identifier	"Mitsubishi"
	Option		"DPMS"
EndSection

Section "Screen"
	Identifier	"nvidiaScreen"
	Device		"nVidia Corporation NV20 [GeForce3 Ti 200]"
	Monitor		"Mitsubishi"
	DefaultDepth	24
Option "ConnectedMonitor" "CRT,TV"
Option         "TwinView"
    Option         "TVOutFormat" "SVIDEO"
    Option         "TVStandard" "NTSC-M"
    Option         "MetaModes" "1280x720,NULL; 1280x1024,NULL;"
    SubSection     "Display"
        Depth	   24
        Modes      "1280x720" "1280x1024"
    EndSubSection
EndSection

Section "Device"
        Identifier  "Hauppauge PVR 350 iTVC15 Framebuffer"
        Driver      "ivtvdev"

        ### change fb1 to whatever your card grabbed
        Option      "fbdev" "/dev/fb0"
	Option "ivtv" "/dev/fb0"

        ### change the BusID to whatever is reported by lspci,
	### converted from hex to decimal
        BusID "PCI:2:14:0" # lspci says 00:08.0
	
EndSection

Section "Screen"
        Identifier  "Screen0"
        Device      "Hauppauge PVR 350 iTVC15 Framebuffer"
        Monitor     "Mitsubishi"
        DefaultDepth 24
        DefaultFbbpp 32
        Subsection "Display"
        	Depth 24
        	FbBpp 32
        	Modes "720x480"
	EndSubsection
EndSection

Section "ServerLayout"
	Identifier	"Default Layout"
	#Screen		"Screen0"
	Screen		"nvidiaScreen"
	InputDevice	"Generic Keyboard"
	InputDevice	"Configured Mouse"
	InputDevice     "stylus"	"SendCoreEvents"
	InputDevice     "cursor"	"SendCoreEvents"
	InputDevice     "eraser"	"SendCoreEvents"
EndSection

Section "DRI"
	Mode	0666
EndSection