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Driver Information |
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| Manufacturer: |
Device |
| Operating System: |
Windows 9x/ME/NT4/2000/XP(x32/x64)/2003 |
| Version: |
4.33 |
| Release Date: |
2007-09-17 |
| Category: |
Tools And Utilities Drivers |
| File Name and Size: |
speedfan433.exe(1.55 Mb) |
| Model: |
SpeedFan |
| Description: |
SpeedFan 4.33 Windows 9x/ME/NT4/2000/XP(x32/x64)/2003.
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 for those hard disks that support this feature and show hard disk temperatures too, if supported. SpeedFan supports SCSI disks too. SpeedFan can even change the FSB on some hardware (but this should be considered a bonus feature). At the lowest level, SpeedFan is a hardware monitor software that can access digital temperature sensors, but its main feature is that it can change fan speeds (depending on the capabilities of your sensor chip and your hardware) according to the temperatures inside your pc, thus reducing noise. Several sensors, like Winbond's and the AS99127F support fan speed changing, 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, yet trivial, circuitry. This means that if you have, say, a Winbond W83782D on a BP6 then you're ok, but not every motherboard with such a hardware monitor chip will be able to change fan speeds. From one of the very first hardware monitor chips that could be found in standard PCs, the National Semiconductor LM75 (and all of its clones, like the Philips NE1617 and the Philips NE1618 or the Maxim MAX1617) or the Analog Devices ADM1021, such chips have been greatly improved, both in their precision and in their capabilities. Current chips can monitor fan speeds, voltages and change fan speeds by using PWMs (Pulse Width Modulation). Some chips can even be programmed to vary fan speeds without any additional software intervention. If your BIOS was programmed to setup such chips this way you can still try to use SpeedFan's Advanced Configuration to revert 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 include temperature sensors too. SpeedFan can automatically detect them and use their features. SpeedFan can find almost any hardware monitor chip connected to the 2-wire SMBus (System Management Bus, a subset of the I2C BUS) Serial Interface and to the ISA BUS and works fine with Windows 9x, ME, NT, 2000, 2003 and Windows XP. It works with Windows 64 bit too. It can be minimized to the tray and is compatible with Motherboard Monitor 5.
Version 4.33:
# completely rewritten the detection and the identification strategy of ITE IT871xF chips (fan readings are now ok)
# xAP support is now properly reenabled between sessions
# fixed context sensitive help (F1 key) on Windows Vista
# enabled, if needed, the SMBus on Intel ICH7 and ICH8-M
# added several checks to CPU usage routines, fixing a nasty issue where an error window appeared once every second
# added full support for ATI SB600 SMBus
# added full support for Intel ICH9 SMBus
# added full support for nVidia MCP55 SMBus
# added sull support for ADT7475
# added nVidia Control Panel access to read video card temperatures
# supported the IT8716F and the IT8718F hardware monitor at unusual addresses
# added some SMB scan exceptions for Compal 08A0
# SMBus address $15 no longer scanned on AOpen i975Xa-YDG
# fixed an issue that caused the DFI LP UT NF4 SLI-DR Venus to power off on program start
# added support for Fintek F71872F voltage readings
# IT8712F-J now uses two undocumented FAN DIVs
# speeded up Asus M2N32-SLI DELUXE program startup
# added detection of an unknown Fintek chip (to avoid false detection of other sensors at the same address)
# W83627EHF and W83627DHG now properly show SMARTFAN III in CONFIGURE / ADVANCED
# W83627EHF and W83627DHG can now change PWM TYPE from PWM to DC in CONFIGURE / ADVANCED
# fixed FAN DIVISOR settings for Winbond W83791D
# added PWM OUT BASE CLOCK selection for WINBOND W83627DHG, W83627EHF and W83627EHG
# warning temperature can now be set as high as 125C in CONFIGURE |
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