USB Wireless Micorosoft Mouse not recognized

[secnews at oxygen.az]

> Hi,
> I'm trying to use the Microsoft "Wireless Notebook Laser Mouse 6000"
> (http://www.microsoft.com/hardware/mouseandkeyboard/productdetails.aspx?pid=048)
> I acquired some time ago, on my FreeBSD 6.1-Stable AMD64 laptop but the
> system didn't recognize it, no /dev/ums0 device is created.
> I've device usb and device ums statically compiled in the kernel, this
> is the output of usbdevs -vd:
>
> Controller /dev/usb0:
> addr 1: full speed, self powered, config 1, UHCI root hub(0x0000),
> VIA(0x0000), rev 1.00
>    uhub0
>   port 1 addr 2: low speed, power 100 mA, config 1, Microsoft Wireless
> Optical Mouse� 1.00(0x00e1), Microsoft(0x045e), rev 0.07
>   port 2 powered
> Controller /dev/usb1:
> addr 1: full speed, self powered, config 1, UHCI root hub(0x0000),
> VIA(0x0000), rev 1.00
>    uhub1
>   port 1 powered
>   port 2 powered
> Controller /dev/usb2:
> addr 1: full speed, self powered, config 1, UHCI root hub(0x0000),
> VIA(0x0000), rev 1.00
>    uhub2
>   port 1 powered
>   port 2 powered
>
> I tried to add the mouse's id to the file src/sys/dev/usb/usbdevs:
>
> product MICROSOFT WNLMOUSE6000  0x00e1  Wireless Notebook Laser Mouse 6000
>
> then I rebuilt and reinstalled the kernel and rebooted but nothing
> changes, when I plug the mouse no message is displayed, while when I
> unplug it a message "(null): at uhub0 port 1 (addr 2) disconnected" is
> shown.
>
> Any ideas?
> Thanks in advance
>
> Sergio

Sergio,
just to make sure:
are ums(4) and uhid(4) modules loaded or compiled into the kernel ?