Try this link:

http://www.hut.fi/~then/mytexts/mouse.html

  (A bunch of good stuff used to be off FilipG's pages off of
repairfaq.org, but that's in transition/repair/moving to a new server,
apparently.)

  Also if you're into Linux see the multi-monitor mouse focus article at
http://www.freebsd.org/~fsmp/HomeAuto/Focus.html (Switch mouse from one
machine to another by sweeping the mouse through an icon.  Interesting.)

  Mark, mwillis@nwlink.com

Prashanth Ram wrote:
>
> Hello all:
>         This message might be far off topic.. but could someone please
> help me. I am trying to get some information on types of signals that
> pointing devices (mice/touchpad/trackballs) transmit to the computer. I
> have tried the microchip website and lloked @ the information for
> PIC16C57, the one used in the M.Soft Mouse.. but that was of no help. If
> anyone knows where I can get signal information for a pointing device I
> would really appreciate it if you could e-mail them to me.
> Thanks
> -Prashanth