Section "InputDevice"
  Driver        "wacom"
  Identifier    "stylus"
  Option        "Device"        "/dev/ttyS0"          # SERIAL ONLY
#  Option        "Device"        "/dev/input/wacom"    # USB ONLY
  Option        "Type"          "stylus"
#  Option        "USB"           "on"                  # USB ONLY
  Option        "ForceDevice"   "ISDV4"               # Serial Tablet PC ONLY
  Option        "Button2"       "3"
  Option        "TPCButton"     "on"
EndSection

Section "InputDevice"
  Driver        "wacom"
  Identifier    "eraser"
  Option        "Device"        "/dev/ttyS0"          # SERIAL ONLY
#  Option        "Device"        "/dev/input/wacom"    # USB ONLY
  Option        "Type"          "eraser"
#  Option        "USB"           "on"                  # USB ONLY
  Option        "ForceDevice"   "ISDV4"               # Serial Tablet PC ONLY
EndSection

Section "InputDevice"
  Driver        "wacom"
  Identifier    "cursor"
  Option        "Device"        "/dev/ttyS0"          # SERIAL ONLY
#  Option        "Device"        "/dev/input/wacom"    # USB ONLY
  Option        "Type"          "cursor"
#  Option        "USB"           "on"                  # USB ONLY
  Option        "ForceDevice"   "ISDV4"               # Serial Tablet PC ONLY
EndSection

Section "ServerLayout"
        Identifier     "Default Layout"
        InputDevice    "stylus"    "SendCoreEvents"
        InputDevice    "eraser"    "SendCoreEvents"
        InputDevice    "cursor"    "SendCoreEvents"    # For non-LCD tablets only
EndSection