For all those who suggested the /dev/pms0 busmouse, it worked perfectly.
I was able to get the IRQ 12 from the Dell CMOS settings.

g-sqrd...



On Tue, 10 Jan 1995, Charles M. Hannum wrote:

> 
>    It plugs into a built in mouse port on the back of the PC.
> 
> It's probably a `PS/2 mouse'.  Try configuring it as `pms0'.  (See the
> example config files.)  In XFree86, you'll need to configure it as a
> `BusMouse'.
> 
> I've gotten mixed reports about the PS/2 mouse driver, though.  It may
> or may not work.
> 
>