unknown device

[m4a2t0t]

just installed 2k on P4
have 2 unknown devices 1 is printer
the other i had probs with on ME and turned out to be a melicous defined sensor or somethin but i cannot install it, i used to be able to install the driver from the device manager but it says it cannot find it. ive tried dell's website but cant find it.im not totally sure that it is that sensor any way to findout what the device is?
any suggestions

[Beefhart]

Installed Service Pack 2 yet?? (uninstall v 1 first...)

[m4a2t0t]

installed sp2 and current drivers

[Sid]

If its an 8100 then that one is the e button on the front of your system. Click here for the answer to your problem

http://delltalk.us.dell.com/messages/message_view.asp?name=dim_other&id=zwhbg

[m4a2t0t]

i removed acpi from my system today and it got rid of the device.thanks