I use TPFanControl and ThrottleStop on a T480. Without it, there is a pathology where it gets stuck in an upper frequency limit of around 900 MHz when it should

I use TPFanControl and ThrottleStop on a T480. Without it, there is a pathology where it gets stuck in an upper frequency limit of around 900 MHz when it should peak to around 4 GHz (although the official Turbo Boost speed is 3.4 GHz).