From Linux Man Pages
tek4957 - Tektronix 4957 input driver
SYNOPSIS
Section "InputDevice"
Identifier "idevname"
Driver "tek4957"
Option "Device" "devpath"
...
EndSection
DESCRIPTION
tek4957 is an Xorg input driver for the Tektronix 4957 tablet.
The tek4957 driver functions as a pointer input device, and may be used as the X server's core pointer.
CONFIGURATION DETAILS
Please refer to xorg.conf(5x) for general configuration details and for options that can be used with all input
drivers. This section only covers configuration details specific to this driver.
Option "Device" "devpath"
sets the path to the special file which represents serial line where the tablet is plugged, for exam-
ple /dev/ttyS0. This option is mandatory.
Option "DeviceName" "name"
sets the name of the X device.
Option "Speed" "number"
sets the sampling rate, from 1 to 6. Default is 6, maximum speed.
Option "Resolution" "number"
sets the resolution.
0 : 2340 dots : 1/200 inch
1 : 2972 dots : 1/10 mm
2 : 11700 dots : 1/1000 inch
3 : 11887 dots : 1/40 mm
4 : 5850 dots : 1/500 inch
5 : 5944 dots : 1/20 mm : default
6 : 4680 dots : 1/400 inch
7 : 1170 dots : 1/100 inch
8 : 12 dots : 1 inch
9 : 24 dots : 1/2 inch
Option "TopX" "number"
X coordinate of the top corner of the active zone. ( Default = 0 )
Option "TopY" "number"
Y coordinate of the top corner of the active zone. ( Default = 0 )
Option "BottomX" "Inumber"
X coordinate of the bottom corner of the active zone. ( Default = full scale )
Option "BottomY" "number"
Y coordinate of the bottom corner of the active zone. ( Default = full scale )
BUGS / LIMITATIONS
Currently, only "Absolute" mode is supported ( Sorry )
RELATED
Xorg(1x), xorg.conf(5x), xorgconfig(1x), Xserver(1x), X(7).
CATEGORY