SPEEDFAN

SpeedFan is a program that monitors voltages, fan speeds and temperatures in computers with hardware monitor chips. SpeedFan can even access S.M.A.R.T. info and show hard disk temperatures.

SpeedFan can access digital temperature sensors and can change fan speeds accordingly, thus reducing noise.
Works fine with Windows 9x, ME, NT, 2000, 2003, XP and Windows Vista. It works with Windows 64 bit too.

It Can control : numbers of South Bridges, hardware monitor chips, hard disks
temperature readings, voltage readings, fan speed readings, PWMs

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