SpeedFan 4.46

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 supports SCSI disks too. SpeedFan can even change the FSB on some hardware (but this should be considered a bonus feature).

SpeedFan can access digital temperature sensors and can change fan speeds accordingly, thus reducing noise. SpeedFan can find almost any hardware monitor chip connected to the 2-wire SMBus (System Management Bus (trademark belonging to SMIF, Inc.), a subset of the I2C protocol) and works fine with Windows 9x, ME, NT, 2000, 2003, XP, Vista and Windows 7. It works with Windows 64 bit too.

Changelog:

greatly improved DELL support
nVidia I2C support works again with driver 275+
now ATI Radeon support resets Manual Fan Control to the state it had when SpeedFan was started (no more unexpected video card fan set to 100% on program exit)
added support for Intel X79 (Patsburg) SMBus
added support for ServerWorks HT1000 SMBus
added SAT support for USB enclosures
added support for USB enclosures using SunPlus, IoData and Logitech chipsets
added voltage reading tweaks and configurations for several Intel motherboards
added full support for Fintek F71858AD
rewritten Areca RAID support and improved support for Areca SAS controllers
slightly refactored hard disk USB vendor guessing
added support for AMD Family 12h (LLano) temperature
added support for AMD Family 14h (Bobcat) temperature
ATK0110 tries to find the best interface when multiple ones are available in ACPI BIOS (please, report if support is broken for your motherboard model)
added preliminary support for Fujitsu-Siemens Hades