G5 iMac 1.8 GHz 17 inch xorg.conf

This is a working xorg.conf file for a G5 iMac 1.8 GHz / 17 inch under Lucid Lynx: (http://www.everymac.com/systems/apple/imac/stats/imac_g5_1.8_17.html):

Section "Device"
    Identifier    "GeForce FX 5200 Ultra"
    BusID        "PCI:240:16:0"
    Driver        "nouveau"
    Option "NoInt10" "true"
EndSection

Section "Monitor"
    Identifier    "iMac"
    Option        "DPMS"

# 1440x900 59.89 Hz (CVT 1.30MA) hsync: 55.93 kHz; pclk: 106.50 MHz
Modeline "1440x900_60.00" 106.50 1440 1528 1672 1904 900 903 909 934 -hsync +vsync 

# 1152x720 59.97 Hz (CVT 0.83MA) hsync: 44.86 kHz; pclk: 66.75 MHz
Modeline "1152x720_60.00" 66.75 1152 1208 1320 1488 720 723 729 748 -hsync +vsync

# 1024x640 59.89 Hz (CVT 0.66MA) hsync: 39.82 kHz; pclk: 52.25 MHz
Modeline "1024x640_60.00" 52.25 1024 1072 1168 1312 640 643 649 665 -hsync +vsync

# 800x500 59.50 Hz (CVT 0.40MA) hsync: 31.00 kHz; pclk: 30.75 MHz
Modeline "800x500_60.00" 30.75 800 824 896 992 500 503 509 521 -hsync +vsync

# 1024x768 59.92 Hz (CVT 0.79M3) hsync: 47.82 kHz; pclk: 63.50 MHz
Modeline "1024x768_60.00" 63.50 1024 1072 1176 1328 768 771 775 798 -hsync +vsync

# 800x600 59.86 Hz (CVT 0.48M3) hsync: 37.35 kHz; pclk: 38.25 MHz
Modeline "800x600_60.00" 38.25 800 832 912 1024 600 603 607 624 -hsync +vsync

#Option "PreferredMode" "1440x900_60.00"
EndSection


Section "Screen"
    Identifier    "Configured Screen"
    Device        "GeForce FX 5200 Ultra"
    Monitor        "iMac"
    DefaultDepth    24

    SubSection "Display"
        Depth   24
        Modes   "1440x900" "1152x720" "1024x640" "800x500" "1024x768" "800x600"
    EndSubSection

SubSection "Display"
        Depth   16
         Modes   "1440x900" "1152x720" "1024x640" "800x500" "1024x768" "800x600"
    EndSubSection

SubSection "Display"
        Depth   15
         Modes   "1440x900" "1152x720" "1024x640" "800x500" "1024x768" "800x600"
    EndSubSection

SubSection "Display"
        Depth   8
         Modes   "1440x900" "1152x720" "1024x640" "800x500" "1024x768" "800x600"
    EndSubSection

SubSection "Display"
        Depth   4
         Modes   "1440x900" "1152x720" "1024x640" "800x500" "1024x768" "800x600"
    EndSubSection

SubSection "Display"
        Depth   1
         Modes   "1440x900" "1152x720" "1024x640" "800x500" "1024x768" "800x600"
    EndSubSection

EndSection

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

Section "DRI"
    Mode 0666
EndSection

Section "Extensions"
    Option        "Composite" "Enable"
EndSection

You can download this file:
wget http://mac.linux.be/files/xorg/g5_2.txt