SpeedFan - A utility for monitoring a motherboard - the temperature, voltage, fan speed, as well as the temperature of the hard drive (if they support this feature). Very positive feature of SpeedFan, which distinguishes this program among similar - the ability to change the fan speed, including, depending on the temperature inside the system unit.

Changes in SpeedFan 4.42 Final:* Geatly improved nVidia video card support
* Added full access to hardware monitor chips available on several nVidia video cards (enabled I2C writes to allow fan speed control too)
* Improved Intel QST support
* Intel QST now checks first for 2.0, then falls back to 1.0, if needed
* Added support for external USB drives using JMicron controllers
* Fixed fan speed computation for several Analog Devices chips (ADM1027, ADT7463, ADT7475, ADT7476, ADT7468, ADT7473, ADT7490) when configured for non standard number of pulses per revolution
* MUTEXes used to synchronize with other tools while accessing buses are now defined Global
* Fixed CPU usage bars size on the main window
* Enabled SMBus access on ICH10 and ICH10R, if needed
* If SpeedFan service is unavailable, a message dialog is shown and the program stops running
* Added scan exceptions for Asus P5N-T DELUXE and Intel DX58SO
* SEND REPORT now includes a list of ACPI devices found

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