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Installation of the Synaptics Touchpad Driver for XFree 4.x
===========================================================
Author: Stefan Gmeiner <riddlebox@freesurf.ch>
Requirements
------------
1. Using with kernel 2.4.x for x < 10 needs a kernel patch
(pc_keyb.c.diff.2.4.3).
2. For use with kernel 2.6.x you need to enable synaptics touchpad
support when configuring the kernel (CONFIG_MOUSE_PS2). 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.
3. 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.
4. You need X include files. On RPM based systems, they are usually
included in the XFree86-devel package.
5. If you use XFree86 version 4.0 or 4.1, you will need the XFree86
source code to compile the driver. See the "How do I compile the
driver?" section in the FAQ in the README file for 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. This path is usually "/usr/X11R6/lib/modules/input/", and
running "make install" as root will do this for you. Note though
that some distributions have a different module path. For example,
in Gentoo 1.4 (with XFree86 4.3.0), the correct path is
"/usr/X11R6/lib/modules/drivers".
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" "1700"
Option "RightEdge" "5300"
Option "TopEdge" "1700"
Option "BottomEdge" "4200"
Option "FingerLow" "25"
Option "FingerHigh" "30"
Option "MaxTapTime" "180"
Option "MaxTapMove" "220"
Option "VertScrollDelta" "100"
Option "MinSpeed" "0.06"
Option "MaxSpeed" "0.12"
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 log file. This file is usually called
/var/log/XFree86.0.log.
b) Try to start the X server 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 output from
"cat /proc/bus/input/devices".
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