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Lufbery 08-30-2008 02:19 PM

How do I get my Thinkpad trackpoint to scroll?
Are there any other Thinkpad users here?

I've got an IBM Thinkpad A22m, and I can't get the scroll feature to work -- I press and hold down the middle button, but no scrolling happens. I followed the directions on Thinkwiki for modifying my xorg.conf, but did not have luck. Does anyone have any suggestions?



camorri 08-30-2008 03:05 PM

Please post the lines for your mouse in /etc/X11/xorg.conf .

Lufbery 08-30-2008 04:13 PM


Originally Posted by camorri (Post 3264689)
Please post the lines for your mouse in /etc/X11/xorg.conf .

Here you go:


Section "InputDevice"
        Identifier "Mouse0"
        Driver "mouse"
        Option "Buttons 5"
        Option "Device /dev/input/mice"
        Option "Name TPPS/2 IBM TrackPoint"
        Option "Protocol explorerps/2"
        #add the following lines
        Option "Emulate3Buttons on"
        Option "Emulate3TimeOut 50"
        Option "EmulateWheel on"
        Option "EmulateWheelTimeOut 200"
        Option "EmulateWheelButton 2"
        Option "Vendor Sysp"
        Option "YAxisMapping" "4 5"
        Option "XAxisMapping" "6 7"
        #Option "ZAxisMapping 4 5 6 7"



camorri 08-31-2008 07:09 AM

There are two things to edit, and try again.

1. In your file

Option "Protocol explorerps/2"
In the example

Option "Protocol" "ExplorerPS/2"
Note the number of quotes is different, and the case of the ExploererPS/2. Synyax is important.

2. In your file

#Option "ZAxisMapping 4 5 6 7"
In the example

Option "ZAxisMapping" "4 5"
The # sign comments this line, so it is ignored. Remove the #. I would try the values as stated also, first. Also note the quotes are not correct.

As root edit these changes and save, restart the Xserver with a Ctrl + Alt + Backspace. Log back in and try again. Post back the results.

Lufbery 08-31-2008 10:18 PM


You were right about the syntax being important. I copied the Mouse section from the Thinkwiki and compared it to mine. The quotation marks were uniformly missing in my file. I ended up simply replacing what was in my xorg.conf with the one from thinkwiki. Everything is working well now.



camorri 09-01-2008 07:03 AM

Glad to hear it.

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