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SpeedFan is a hardware monitoring software that has access to temperature sensors, but its main function is that it can control fan speeds – depending on the characteristics of the sensor chip and your hardware – according to the temperatures inside the PC, thereby reducing noise and power consumption.
SpeedFan is able to control the fan speed of most makes and models of fans, but this will ultimately depend on the motherboard’s sensor chip and capabilities. Once installed, SpeedFan will automatically detect if your hardware is compatible and advanced features will be presented.
SpeedFan can also read SMART information from your hard drives, display CPU usage, chipset information, core temperatures, change clock speed and analyze voltages.
SpeedFan works with Windows 9x, ME, NT, 2000, 2003, XP, Vista, Windows 7, 2008, Windows 8, Windows 10, Windows 11 and Windows Server 2012. Including 64-bit versions.
SpeedFan monitors temperatures from multiple sources. By properly configuring SpeedFan, you can allow it to change fan speeds based on system temperatures. SpeedFan can change the FSB on some hardware (but this should be considered a bonus feature).
Several sensors, such as Winbonds and the AS99127F support changing fan speed, as well as others from Maxim, Myson, Analog Devices, National Semiconductor and ITE, but the hardware manufacturer must have connected the relevant pins to some additional but trivial circuitry. From one of the very first hardware monitor chips found in standard PCs, the National Semiconductor LM75 (and all its clones, such as the Philips NE1617 and Philips NE1618 or the Maxim MAX1617) or the Analog Devices ADM1021, such chips have greatly improved, both in their precision and in their abilities.
Current chips can monitor fan speeds, voltages and control fan speeds using PWMs (Pulse Width Modulation). Some chips can even be programmed to vary fan speeds without additional software intervention. If your BIOS was programmed to set up such chips this way, you can still try using SpeedFan’s advanced configuration to return to manual (software controlled) mode. Winbond W83697HF, Analog Devices ADT7463, SMSC EMC6D102, ITE IT8712F, National LM85C and Maxim MAX6650 are very good candidates. Some SuperIO chips also include temperature sensors.
SpeedFan can automatically detect them and use their functions. The most used are the National PC87366 and all SMSC LPC SuperIO chips.
SpeedFan can find almost any hardware monitor chip connected to 2-wire SMBus serial interface and to ISA BUS.
SpeedFan can handle:
Title: SpeedFan Download Free – 4.52
Requirements: Windows 11 / 10 / 8 / 7 PC.
Language: English, German, French, Spanish, Italian, Japanese, Polish, Chinese, Arabic, and more
License: Free
Updated: 2024
Author: Official Author Website
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