"more XF86Config" shows following message 
 
Section "ServerLayout"
 #
 # The ServerLayout ID. A required line.
 #
 #
 # The first field on the Screen line specifies the screen number. It is
 # optional. The second field is the Screen ID. It must match an entry in
 # a Screen section. Only Screens specified here will be active. The
 # remaining fields specify relative or absolute positions of the screen
 # relative to other screens. Check the GAG for full details on 
 # specifying the Screen.
 #
 #
 # Each InputDevice line specifies an InputDevice section ID name and
 # optionally some options that specify the way the device is to be used.
 # Typically there is a pointer device (mouse) and a keyboard. They
 # usually are specified with a CorePointer and CoreKeyboard option
 # respectively. Additional pointers and keyboards are specified with
 # the SendCoreEvents option. The options may also be specified in the
 # InputDevice section. It is not necessary to specify an InputDevice.
 #
 #
 # Uncomment this to force OGL indirect contexts to be rendered in 
 # software.  Indirect rendering is done with the hardware driver by 
 # default.  However, some features such as rendering to a glXPixmap
 # may not be available in all hardware drivers.
 #
 #Option       "AccelerateIndirectRendering" "false" 
       # Uncomment the following line and update the time to turn on Xserver
       # screen blanking. The time is in minutes.
       #Option "blank time"   "10"
       # Uncomment the following lines to set the DPMS time periods. The
       # time is in minutes. The DPMS Monitor Option must be on for these 
       # to have an effect (see the "Monitor" section).
       #Option "standby time" "20"
       #Option "suspend time" "30"
       #Option "off time"     "40"
 Identifier     "Main Layout"
 Screen      0  "Screen 0" 0 0
 InputDevice    "Mouse0" "CorePointer"
 InputDevice    "Keyboard0" "CoreKeyboard"
EndSection
Section "Files"
    #
    # FontPaths. Specifies the font paths. You may want to
    # specify a different font path for the following reasons.
    # 1) An application delivers its own fonts.
    # 2) A font server is to be used instead of the default path.
    #
EndSection 
Section "Module"
EndSection 
Section "InputDevice"
 Identifier  "Keyboard0"
 Driver      "keyboard"
EndSection
Section "InputDevice"
 Identifier  "Mouse0"
 Driver      "mouse"
 Option     "Protocol" "PS/2"
 Option     "Device" "/dev/hid/mouse_000"
EndSection
Section "Monitor"
       # DPMS is not enabled by default. Uncomment the following line to 
       # enable it.
       #Option      "DPMS"  "on"
 Identifier   "Monitor 0"
 HorizSync    30.0 - 110.0
 VertRefresh  75.0
EndSection
Section "Device"
 Identifier  "Console"
 DeviceFile "/dev/gvid"
EndSection
Section "Screen"
 #
 # Set the default depth.
 #
 #
 # The subsection associates a buffer depth with a screen size.
 #
 Identifier "Screen 0"
 Device     "Console"
 Monitor    "Monitor 0"
 DefaultDepth     24
 SubSection "Display"
  Depth     24
  Modes    "1280x1024"
 EndSubSection
EndSection