PlayStation 2 Mouse Wheel Mini-HOWTO 1.0

by Paul A. Pietromonaco ppietro@users.playstation2-linux.com

Created: February 6, 2003

Last edited: February 10, 2003

OVERVIEW: The Linux for PlayStation 2 kit comes with a USB scroll wheel mouse. Mozilla, among other XWindows applications, will support the scroll wheel. Yet, by default, the scroll wheel is disabled. This Mini-HOWTO will show you how to enable scroll wheel support.

INSTRUCTIONS: To enable the mouse wheel for XWindows running on Linux for the PlayStation 2, you need to edit the /etc/X11/XGSConfig file. You will have to be the root user to edit this file. It's easiest to edit this file before starting XWindows.

There are three basic steps.

1. Open /etc/X11/XGSConfig for editing, and look for the following section:

   # **********************************************************************
   # Pointer section
   # **********************************************************************
   
   Section "Pointer"
       Protocol    "PS/2"
       Device      "/dev/mouse"
   
   

   Change the "PS/2" line to "IMPS/2" so that it looks like this:

       Protocol    "IMPS/2"
   

   and add the following line:

   
       ZAxisMapping 4 5
   

   so, the final should look like this:

   # **********************************************************************
   # Pointer section
   # **********************************************************************
   
   Section "Pointer"
       Protocol    "IMPS/2"
       Device      "/dev/mouse"
       ZAxisMapping 4 5
   
   

2. Look for the following section:

   
   # Emulate3Buttons is an option for 2-button Microsoft mice
   # Emulate3Timeout is the timeout in milliseconds (default is 50ms)
       Emulate3Buttons
       Emulate3Timeout    50
   
   

   and comment out the two Emulate3Buttons entries, so that the section looks like this.

   
   # Emulate3Buttons is an option for 2-button Microsoft mice
   # Emulate3Timeout is the timeout in milliseconds (default is 50ms)
   #    Emulate3Buttons
   #    Emulate3Timeout    50
   
   

3. Now, save /etc/X11/XGSConfig, exit your editor, start XWindows, and you should be enjoying a three button mouse with scroll wheel.