If you own a Thinkpad Notebook you probably aware of the cooling fan noise annoyances, if you suffer from the noise and want to have a quiet life and gain control of the fan speed take a look at the Thinkpad Fan Controller.
The Thinkpad Fan Controller allows the user to control fan activity based on the system temperature (or manual of course…).Solution to the cooling fan noise annoyances Thinkpad T4x (T40/T41/T42/T43) notebook series. Allows the user to control fan activity based on the system temperature. Win XP Visual C++ project controls the fan via port IO to the embedded controller.
Download tpfancontrol from here