My wife has a Toshiba Laptop that has the Intel Pentium 4 Mobile 538 3.2Ghz... when I looked at it with CPUz it shows it as 18XX.X so 1.8Ghz... whats up with that? LoL
why would you want to? it makes the laptop run cooler, quieter, and get MUCH better battery life. it doesn't affect performance at all...it only throttles down when it's idle. anyway, if for some wacko reason you want to disable it you can usually do it through the bios and/or through the laptop's power management software. But there's no reason to disable it.