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SpeedFan download

Free SpeedFan monitors voltages, fan speeds, temperatures and other parameters
4.52 (latest)
Nov 23, 2021
instspeedfan452.exe
May 22, 2009
Feb 14, 2008

What's new

v4.52 [Apr 14, 2012]
- added full support for Nuvoton NCT6791D (including fan control)
- Improved external (USB) hard disk detection (some were not properly detected on Windows 8)
- Added a method to access hard disks connected to 3ware RAID controllers (works on 64 bit systems too)
- Added support for Intel core temperature (Family 06h Model 3Ch)
- Added support for Intel core temperature (Family 06h Model 3Eh)
- Added support for AMD Family 15h temperature
- Added support for AMD Family 16h temperature
- Added support for Intel 8 Series SMBus
- Added support for Intel 8 Series Mobile SMBus
- Added support for Intel 9 Series SMBus
- Added Nuvoton NCT6779D/NCT6791D advanced option to choose between PWM and DC output for System Fan (PWM 1)
- Changed the way NCT6779D and NCT6791D read fan speeds
- Added 4 more temperature readings to NCT6779D
- Added Fintek F71808A advanced setting: PWM TYPE 3
- Refined Fintek F71808A description for PWM MODEs
- Added preliminary support for ITE IT8620E temperatures and fan speeds
- Fixed a minor typo that caused Fintek F71808A to not show some temperatures properly


v4.49.0.403 [May 22, 2009]
- 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



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