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Installation of the Synaptics Touchpad Driver for XFree 4.x
===========================================================
Author: Stefan Gmeiner <riddlebox@freesurf.ch>
Requirements
------------
- Using with kernel 2.4.x for x < 10 needs a kernel patch
(pc_keyb.c.diff.2.4.3).
- For use with kernel 2.6.x you need to enable synaptics touchpad
support when configuring the kernel. (CONFIG_MOUSE_PS2 and
CONFIG_MOUSE_PS2_SYNAPTICS). You also need support for the evdev
interface (CONFIG_INPUT_EVDEV). If you compile evdev as a module,
make sure it is loaded before starting the X server, as it will not
be auto-loaded.
- For use with an ALPS touchpad, you need to use a 2.6.x kernel and
apply the alps patch. See the README.alps file for more details.
Installing
----------
1. Type "make" to build the driver "synaptics_drv.o".
2. Copy the driver module "synaptics_drv.o" into the XFree module path
"ex. /usr/X11R6/lib/modules/input/". Running "make install" as root
will do this for you if you have X installed in /usr/X11R6/.
3. Load the driver by changig the XFree configuration file through
adding the line 'Load "synaptics"' in the module section.
4. Add/Replace in the InputDevice section for the touchpad the
following lines:
Section "InputDevice"
Driver "synaptics"
Identifier "Mouse[1]"
Option "Device" "/dev/psaux"
Option "Protocol" "auto-dev"
Option "LeftEdge" "1900"
Option "RightEdge" "5400"
Option "TopEdge" "1900"
Option "BottomEdge" "4000"
Option "FingerLow" "25"
Option "FingerHigh" "30"
Option "MaxTapTime" "180"
Option "MaxTapMove" "220"
Option "VertScrollDelta" "100"
Option "MinSpeed" "0.02"
Option "MaxSpeed" "0.18"
Option "AccelFactor" "0.0010"
Option "SHMConfig" "on"
# Option "Repeater" "/dev/ps2mouse"
EndSection
Change the Identifier to the same name as in the ServerLayout section.
The Option "Repeater" is at the moment for testing.
5. Add the "CorePointer" option to the InputDevice line at the ServerLayout section:
Section "ServerLayout"
...
InputDevice "Mouse[1]" "CorePointer"
...
Note! You can not have more than one core pointer, so if you want
to use an external mouse too, you have to set all mouse input
devices except one to "AlwaysCore" instead of "CorePointer".
6. Start/Restart the X Server. If the touchpad doesn't work:
a) Check the XFree Logfiles
b) Try to start the XServer with 'startx -- -logverbose 8' for more
Output
7. If you want to be able to change driver parameters without
restarting the X server, enable the "SHMConfig" option in the XFree
configuration file. You can then use the "synclient" program to
query and modify driver parameters on the fly.
Note! This is not secure if you are in an untrusted multiuser
environment. All local users can change the parameters at any
time.
If you can't get the driver working, mail the logfiles and the
configuration file to petero2@telia.com. If you use a 2.6.x linux
kernel, also mail the output from dmesg and the contents of
/proc/bus/input/devices.
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