User's Manual

ThinkPad T40 Series 14-inch model
ThinkPad T40 Series 15-inch model
Attention: The ThinkPad T40 Series computer contains an authentication mechanism
If you install an unauthorized wireless LAN Mini-PCI Card or RF CDC module that is not approved for
use in the ThinkPad T40 Series computer, the computer will not start, but only displays an error
message and emits beeps.
USA — Federal Communications Commission (FCC) 5