SpeedFan can change the FSB on some hardware (but this should be considered a bonus feature). By properly configuring SpeedFan, you can let it change fan speeds based on system temperatures. SpeedFan monitor temperatures from several sources. SpeedFan works with Windows 9x, ME, NT, 2000, 2003, XP, Vista, Windows 7, 2008, Windows 8, Windows 10, Windows 11 and Windows Server 2012. What operating systems are compatible with SpeedFan? SpeedFan can also read S.M.A.R.T information from your hard drives, show CPU usage, chipset information, core temperatures, change clock speed, and analyze voltages. What other features does SpeedFan offer besides controlling fan speed? Once installed, SpeedFan will automatically detect if your hardware is compatible and advanced features are presented. SpeedFan is able to control the fan speed of most fan makes and models, but this will ultimately depend on your motherboard's sensor chip and capabilities. Can SpeedFan control the fan speed of any fan? This feature is only available on 20 models.SpeedFan is a hardware monitor software that can access temperature sensors, but its main feature is that it can control fan speeds - depending on the capabilities of your sensor chip and your hardware - according to the temperatures inside your PC, thus reducing noise and power consumption. Accepted values are 2-7, where 2 is the fastest and 7 is the slowest.

Values represent a few seconds each, where 0 is the fastest and 9 is the slowest.ĭetermines how quickly the fans accelerate or decelerate when it is time to change fan speeds.

Only available in Discrete Graphics Mode (Hybrid Off).ĭetermines how often LegionFanControl should check the current temperature before deciding to change fan speed or not. Removes laptop control of the fans so they run at their factory maximum speeds. Some users may want to disable this behaviour if they use other tools to manage their Windows Power Plan switching events Will also switch corresponding Windows Power Plans if they existĬhoose whether switching the Legion Power Mode will also switch the corresponding Windows Power Plans if it exists. Stock Fan Curve settings are restored on exiting the application.The maximum allowed Fan Speed in the curve is dynamically determined based on Lenovo recommendations for your model.Decide what the fan speeds should be at each temperature point.Decide the temperature points when the fan speeds will change.Create a custom fan curve for each Power Mode.

Pc fan speed control