TPFanControl alternatives
TPFanControl is a free, open-source utility designed for the ThinkPad T40, T41, T42, and T43 series laptops. It provides users with the ability to adjust the speed of the cooling fan based on the system's internal temperature, aiming to reduce noise. Developed as a Windows XP project using Visual C++, it interacts directly with the laptop's embedded controller through port I/O.