Xorg.conf file for PowerBook G4/1.5 12" Lucid Lynx

This also works for a PB G4/867 12" with Lucid Lynx:

Section "Device"
Identifier "Configured Video Device"
BusID   "PCI:0:16:0"
Driver  "nv"
EndSection

Section "Monitor"
    Identifier    "Configured Monitor"
EndSection

Section "Screen"
    Identifier    "Default Screen"
    Monitor        "Configured Monitor"
    Device        "Configured Video Device"
        DefaultDepth    24
           SubSection       "Display"
             Depth            24
             Modes             "1024x768" "800x600" "640x480"
           EndSubSection
           SubSection        "Display"
             Depth            16
             Modes             "1024x768""800x600" "640x480"
           EndSubSection
SubSection "Display"
		Depth		15
		Modes		"1024x768" "800x600" "640x480"
	EndSubSection
SubSection "Display"
		Depth		8
		Modes		"1024x768" "800x600" "640x480"
	EndSubSection
SubSection "Display"
		Depth		4
		Modes		"1024x768" "800x600" "640x480"
	EndSubSection
SubSection "Display"
		Depth		1
		Modes		"1024x768" "800x600" "640x480"
	EndSubSection
EndSection

Section "ServerLayout"
	Identifier	"Default Layout"
	Screen		"Default Screen"
EndSection

Section "DRI"
	Mode	0666
EndSection

To download this file:
wget http://mac.linux.be/files/xorg/powerbook4.txt