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? They will return to 0% if the temperature is 65 C or less.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. For example, in my curves, the fans will always spin at 100% speed if the temperature is 95 C. When the minimum or maximum temperature is reached for both of these cards, their corresponding speed will trigger.

Next, you need to set a minimum speed and a maximum speed. Basically, you're telling the app, 'I want my temperature to never exceed X, but it's okay if it never goes below Y.'

Both cards require you to set a minimum and a maximum temperature. First, let's focus on the Target and Linear cards since they're very similar to each other. I've already configured these cards to my personal preference. For case fans, you can use the hottest motherboard, CPU, or GPU sensor as it doesn't matter too much. Before you do anything, you need to select a temperature source.įor CPU fans, use one of your CPUrelated sensors (pick the one with the highest temperature to be safe).

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