# cat /etc/X11/xorg.conf
# Xorg configuration created by system-config-display
Section "ServerLayout"
Identifier "single head configuration"
Screen 0 "Screen0" 0 0
InputDevice "Keyboard0" "CoreKeyboard"
EndSection
Section "InputDevice"
Identifier "Keyboard0"
Driver "kbd"
Option "XkbModel" "pc105"
Option "XkbLayout" "us"
EndSection
Section "Device"
Identifier "Videocard0"
Driver "i810"
EndSection
Section "Screen"
Identifier "Screen0"
Device "Videocard0"
DefaultDepth 24
SubSection "Display"
Viewport 0 0
Depth 24
Modes "1600x1200" "1600x1024" "1440x900" "1400x1050" "1280x1024" "1280x960" "1280x800" "1152x864" "1152x768" "1024x768" "1024x768" "800x600" "800x600" "640x480" "640x480"
EndSubSection
SubSection "Display"
Viewport 0 0
Depth 16
Modes "1600x1200" "1600x1024" "1440x900" "1400x1050" "1280x1024" "1280x960" "1280x800" "1152x864" "1152x768" "1024x768" "800x600" "800x600" "640x480" "640x480"
EndSubSection
EndSection
Giá trị resolution ở đầu dòng modes sẽ là default resolution của FC6 khi login.
Dùng vi để chỉnh sửa etc/X11/xorg.conf : ở Section "Screen", dòng Modes xóa các giá trị thừa để nó bắt đầu bằng giá trị mình muốn đặt, ở đây tui muốn đặt resolution là 1027x768 nên để nó bắt đầu bằng "1024x768" :