Dell Inspiron 2500 With Intel 82815 Graphics xorg.conf for 1024×768

Just install Xubuntu 8.04 and use the following for your /etc/X11/xorg.conf.
To do that, simply back up your existing xorg.conf . . .

sudo cp /etc/X11/xorg.conf /etc/X11/xorg.conf.bak

And then . . .

sudo gedit /etc/X11/xorg.conf

–paste in the following, and then save:


Section "Files"
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"
Identifier "Synaptics Touchpad"
Driver "synaptics"
Option "SendCoreEvents" "true"
Option "Device" "/dev/psaux"
Option "Protocol" "auto-dev"
Option "HorizEdgeScroll" "0"
EndSection
#
Section "Device"
Identifier "Intel Corporation 82815 CGC [Chipset Graphics Controller]"
Driver "intel"
BusID "PCI:0:2:0"
EndSection
#
Section "Monitor"
Identifier "Generic Monitor"
Option "DPMS"
HorizSync 31.5-48.5
VertRefresh 40-70
EndSection
#
Section "Screen"
Identifier "Default Screen"
Device "Intel Corporation 82815 CGC [Chipset Graphics Controller]"
Monitor "Generic Monitor"
DefaultDepth 16
SubSection "Display"
Modes "1024x768" "800x600" "640x480"
EndSubSection
EndSection
#
Section "ServerLayout"
Identifier "Default Layout"
Screen "Default Screen"
InputDevice "Generic Keyboard"
InputDevice "Configured Mouse"
#
# Uncomment if you have a wacom tablet
# InputDevice "stylus" "SendCoreEvents"
# InputDevice "cursor" "SendCoreEvents"
# InputDevice "eraser" "SendCoreEvents"
InputDevice "Synaptics Touchpad"
EndSection