Interaction with two mouse

[Josiah Carlson]

> I would imagine that Windows stops mouse detection after it finds one
> on the USB bus and/or the PS/2 port, with RS232 being a fallback. So
> if you have one mouse plugged into the PS/2 port, then booting with
> another connected to the RS232 port leaves it free for apps to talk
> to.

I believe Windows will initialize any mouse it sees during boot.  Using 
a mouse on a serial port may require leaving the mouse unplugged until 
Windows has finished booting.

  - Josiah