Pen Tablet xorg.conf

Section "InputDevice"
	Driver "wacom"
	Identifier "cursor"
	Option "Device" "/dev/ttyS0"
	Option "Type" "cursor"
	Option "ForceDevice" "ISDV4"
	Option "Mode" "Absolute"
EndSection

Section "InputDevice"
	Driver "wacom"
	Identifier "stylus"
	Option "Device" "/dev/ttyS0"
	Option "Type" "stylus"
	Option "Button2" "3"
	Option "ForceDevice" "ISDV4"
EndSection

Section "InputDevice"
	Driver "wacom"
	Identifier "eraser"
	Option "Device" "/dev/ttyS0"
	Option "Type" "eraser"
	Option "ForceDevice" "ISDV4"
EndSection

Section "ServerLayout"
	Identifier "X.org Configured"
	InputDevice "stylus"
	InputDevice "eraser"
EndSection