xorg.conf for Xubuntu on G3 iMac

# /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 /etc/X11/xorg.conf manual page.
# (Type "man /etc/X11/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/X11/fonts/misc"
FontPath        "/usr/share/X11/fonts/cyrillic"
FontPath        "/usr/share/X11/fonts/100dpi/:unscaled"
FontPath        "/usr/share/X11/fonts/75dpi/:unscaled"
FontPath        "/usr/share/X11/fonts/Type1"
FontPath        "/usr/share/X11/fonts/CID"
FontPath        "/usr/share/X11/fonts/100dpi"
FontPath        "/usr/share/X11/fonts/75dpi"
# paths to defoma fonts
FontPath        "/var/lib/defoma/x-ttcidfont-conf.d/dirs/TrueType"
FontPath        "/var/lib/defoma/x-ttcidfont-conf.d/dirs/CID"
EndSection

Section "Module"
Load    "GLcore"
Load    "i2c"
Load    "bitmap"
Load    "ddc"
Load    "dri"
Load    "extmod"
Load    "freetype"
Load    "glx"
Load    "int10"
Load    "type1"
Load    "vbe"
EndSection

Section "InputDevice"
Identifier      "Generic Keyboard"
Driver          "kbd"
Option          "CoreKeyboard"
Option          "XkbRules"      "xorg"
Option          "XkbModel"      "pc104"
Option          "XkbLayout"     "us"
EndSection

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

Section "Device"
Identifier      "Generic Video Card"
#       Driver          "fbdev"
Driver          "ati"
Option          "UseFBDev"              "true"
EndSection

Section "Monitor"
Identifier      "Generic Monitor"
Option          "DPMS"
#       HorizSync       28-51
#       VertRefresh     43-60
HorizSync       60-60
VertRefresh     43-117
EndSection

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

Section "ServerLayout"
Identifier      "Default Layout"
Screen          "Default Screen"
InputDevice     "Generic Keyboard"
InputDevice     "Configured Mouse"
EndSection

Section "DRI"
Mode    0666
EndSection