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SpeedFan - Access temperature sensor in your computer You arelogged in asanonymousRegister Username Password Home History Support Articles Screenshots Download F.A.Q. Beta Area Advertise here SpeedFan 4.35Copyright 2000-2008 by Alfredo Milani Comparetti Last modified on 29 sep 2008.SpeedFan 4.36 beta 15 is online! It adds support for ALL nVidia video cards, full support for SMSC EMC6W201,fan speed reporting and fan control for SMSC EMC2710P (found on several DELL servers), initial support for AMCC3WARE RAID controllers, fixes F1 (help) key support, reduces fan speeds more aggressively and includes several otherimprovements.SpeedFan 4.35 Final is online! This is a great release, packed with new features. It supports a lot of new hardware(Areca RAID, FB-DIMM, Abit uGuru 3, several nVidia, VIA and Intel SMBuses,...), greatly improves SCSI support, adds a newEXOTICS tab, improves support for specific motherboards, fixes some issues and much more.I just added my profile (almico) onLinkedin.If you are on that network and you like SpeedFan I would really appreciate if you could recommend me as the Project Leader and Developerat Almico Software.What is 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 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.DisclaimerOk! I guess I should write a fewlines here. This program is aimed at the power user. For the ones thatknow what they're doing.I've known of no real problem caused by SpeedFan, but may be it's dueto the fact that once it made the PC explode and the user disappearedin the blast, thus being unable to report :-)Anyway: SpeedFan can be extremely useful, but you should first watchits behavior before setting and forgetting it.How it does its jobSpeedFan monitors temperatures, through available hardware monitorchips which expose their temperature sensors connected todifferent places inside your computer, and, according to your setup,does its best to keep them at yourdesired value. You can even change a fan speed according to thetemperature of your hard disk. When choosing parameters for the minimumand maximum fan speed, try to set them by hand (disable all the VARIATEFANs checkboxes) and listen to the noise. When you hear no noise fromthe fan then you can set that value as the minimum fan speed for thatfan. I suggest using 100 as the maximum value, unless you hear a lot ofnoise from it, in which case you might reduce the maximum speed to 95or 90. Obviously, nothing says that you can't set 60 as your maximumvalue and, sometimes, I myself set it that way. Consider that when theWARNING temperature is reached, the program sets the fan speed to 100,whichever maximum speed you set. One last word should be said regarding theUSE FAN x listbox. In my pc, more than one temperature changes when afan runs faster. You can say on which fan every temperature shouldrely. On my system, TEMP1 and TEMP3 are both influenced by FAN1.A few numbers...SpeedFan can: handle almost any number of South Bridges handle almost any number of hardware monitor chips handle almost any number of temperature readings handle almost any number of voltage readings handle almost any number of fan speed readings handle almost any number of PWMs NotesFirst of all, you have to identify which temperature sensor is which. SpeedFan strictlyadheres to available datasheets for each sensor chip. Please remember that hardwaremonitors are chips that do have some pins (small connectors) which should be connectedto some additional hardware (temperature probes, thermistors or thermocouples) inorder to be able to read temperatures. Only a few hardware monitor chips do labeltheir connectors with "CPU", "System" and the like. Most of them use labels like"Temp1", "Local" or "Remote". The hardware manufacturers connect available pins todifferent temperature sensors basically according to the physical placement ofcomponents on the motherboard. This means that the same chip, an ITE IT8712F, forexample, might be connected to a sensor diode measuring CPU temperature on Temp2and, on a different hardware, it might be connected on Temp1. If you have a "Local"sensor and a "Remote" labeled one, this usually means that "Local" is thetemperature of the monitor chip itself and "Remote" is the temperature read froma "remote" probe.When you have properly identified which temperature sensor is which, try to lower thespeed of each fan and look at reported speed and temperatures. If you donot allow SpeedFan to change any fan speed and set all the speeds too low, thenSpeedFan won't be able to avoid overheating.Latest news 4.35 - released to the public the EXOTICS tab - fixed 120 DPI issue in CONFIGURE dialog - added full support for Areca RAID controllers - greatly improved SCSI support - added support for Abit uGuru 3 (uGuru 2005) - added full support for Intel FB-DIMM temperature readings - added full support for ITE IT8720F - added full support for Andigilog aSC7611 - added full support for LM96000 (it was previously detected as LM85B) - added full support for Analog Devices ADT7490 - added full support for SMSC SCH5327 - fixed Windbond W83766HG hardware monitor detection on some Asus motherboards - improved CPU identification routines - added support for a new revision of the WINBOND W83637HF - added support for WINBOND W83637HF at unusual addresses - added support for Asus F8000 at unusual addresses - added identification of the SMSC SCH5514 - added identification of SMSC EMC2300 - added ITE IT8718F fifth fan speed reporting - added identification of Analog Devices ADP3228 - added identification of ITE IT8512F - added identification of Winbond W83667HG SuperIO chip - identified a new revision of Fintek F71872 hardware monitor subsystem - added preliminary detection of the HECI driver - fixed a bug in SMSC LPC47M172 support code that prevented fan speeds to be properly reported - 45nm Intel CPUs with CPUID=0x10676 now use a Tjmax value of either 105C or 90C - added full support for nVidia MCP65 SMBus - added full support for nVidia MCP67 SMBus - added full support for nVidia MCP73 SMBus - added full support for nVidia MCP78S SMBus - added full support for VIA CX700M SMBus - added full support for Intel 82801JIB SMBus - fixed an issue where the Intel SMBus couldn't be accessed and messages like SMBus msg : SMB Error $14 : FAILED (50) were generated - enabled Intel ICH8M-E SMBus device, if needed - enabled 631xESB SMBus, if needed - enabled SMBus on Intel ICH9R, if needed - preliminary detection of AMD CD5536 SMBus - some SMBus addresses on Asus Striker Extreme are no longer scanned - SMBus is no longer scanned at address $2E on DELL XPS710 - Tyan S2927 second SMBus is no longer scanned - some addresses on the SMBus of Asus P5NT WS are no longer scanned - some addresses on the SMBus of the Intel DX38BT are no longer scanned - some SMBus addresses are no longer scanned on Asus M2N32-SLI DELUXE - the second nForce SMBus is no longer scanned on FIC AU31 - some addresses on the SMBus of Supermicro H8DCE are no longer scanned - added some SMBus scan exclusions for Intel D5400XS - added /NOGIVEIO command line parameter to disable access to giveio.sys - added /NOGEFORCEROM command line switch that will prevent SpeedFan from reading nVidia GeForce ROMs (useful if it takes too much time) - nVidia video BIOS is now stored in a file for later retrieval - fixed an access violation under Win9x with some nVidia video cards - battery status messages are no longer displayed - upon resume, all controlled fans are set to 100% for half a second, then set to their minimum fan speed - added new configuration option SHOWSTATICICON - enabled Intel 6300ESB SMBus if needed 4.34 - added full support for SiS964 SMBus - added full support for SiS966 SMBus - added full support for ULi M1575 SMBus - added full support for VIA VT8237S SMBus - added full support for VIA VT8251 SMBus - added full support for nVidia MCP61 SMBus - added full support to read internal temperatures on AMD K10 processors - added native nVidia video card (up to, but excluding 8xxx) internal temperature reporting - added full support for SMSC SCH5307 - added full support for F8000 temperatures and fan speeds - added full support for SMSC EMCT03 - added full support for WINBOND W83793G, including ADVANCED options - added support for Fintek F71782F hardware monitor at unusual addresses - added support for Winbond W83627DHG at unusual addresses - added support for ITE IT8726F hardware monitor at unusual addresses - added support for a new stepping of the Andigilog aSC7621 - Winbond W83791D properly handles higher fan divisors for fan1, fan2 and fan3 and shows fan4 and fan5 too - added SMSC LPC47M192 FAN DIVISOR settings in CONFIGURE / ADVANCED - added full PWM support to SMSC LPC47B397, including settings in CONFIGURE / ADVANCED - CONFIGURE now allows to go as low as -60C when selecting the DESIRED and WARNING levels to let users of the RELATIVE Intel Core temperature reading properly configure SpeedFan - improved DDR2 memory module size detection - added preliminary DDR3 identification - new icon by Bengt Strom - fixed an issue where Intel Core temperatures on multi core systems reported the same temperature for all cores - improved Tjunction detection for Intel CORE temperatures (you might no longer need the temperature offset in CONFIGURE / ADVANCED) - fixed crash on several DFI motherboards - fixed the detection of older revisions of the ITE IT8705F - restored the correct clock speed after resume from hibernation - rewritten the logic of the usage of a synchronizer in the thread that reads CPU usage (this will fix the SpeedFan not exiting issue) - address $2E on DFI motherboards is no longer scanned if the motherboard model starts with LP. If you have one of these models and you know that there should be a valid chip at that address, send me a SEND REPORT (INFO tab) with some NOTES - fixed ADT7475 temperature readings when in offset 64 mode - fixed a bug when changing the type of data to be charted - mails sent by SpeedFan now properly separate headers and the body with a blank line - fixed an issue with SUN 2864 motherboardFeedbackYou can contact me at alfredo [at] almico.com if you've gotany question or suggestion or discover any strange behavior. I'd appreciate an e-mailfrom those of you who try and find useful my program. Just a line of text will do.Thanx for your attention.Credits I will start adding credits in this section. The first one to thank is Alexander Van Kaam, for letting me discover the wonderful world of sensors Carlo Adami, for his great work on AS99127F Massimiliano Battaglia, for his infinite patience debugging and reporting Istvan Dercze, for his support in testing VIA686 support LinksYou might consider visiting my Delphi Page.var dc_AdLinkColor = 'orange' ;var dc_UnitID = 14 ;var dc_PublisherID = 4244 ;var dc_adprod = 'ADL' ; Webwww.almico.comPage generated in 0.0281 secondsPowered by (new)...Page viewed 25353534 timesCanadaDid you know that SpeedFan has an  feed? |
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