Aug 17, 2014 - For Windows. Shimodax's ThinkPad fan control tool offers similar functionality (see forum discussion at thinkpads.com). Source and binaries are available. Manual speed levels 8-63 yield the same behavior as level 7, and the the ACPI DSDT uses level 7 for the emergency mode it enters upon critical. Official Lenovo Drivers download center, download and install Lenovo LENOVO Fan Speed Control Driver for Windows drivers at DriversGuru.com in 1 minute! LENOVO Fan Speed Control Driver for Windows Installer; 3.1.01; 2014-02-15; 2.67MB; Windows 7, Windows 8, Windows XP, Vista, Windows 2003, Windows.
I know this is an old thread, but if the OP has not found a solution yet, then try this: On the Speedfan main screen, go in Configure->Advanced Then select chip. That is the chip number of your sensor chip.(You can find that in some temperature monitor(ITE IT87 in this case): [img url=there is some setting like pwm1, pwm2 etc.
Set to on/off or some other, change that to software-controlled. Now you can change fan speeds in speedfan main screen. Also, you need to set fan control in speedfan configure for the program to control the speeds automatically.
Noisy and ineffective fan is #1 reason I replace the small and loud coolers on my GPUs. A single well made 12cm fan can be much more effective at cooling at fraction of the noise. Getting a faster RPM model helps with power hungry cards, but these need control for silent operation while GPU is idle. Robert Dehoff Thermodynamics In Materials Science Pdf.
Speed fan is perfect for this- but it wouldn't work- not without your input on my 1150 gigabyte board. It would happen that I would start gaming, but forget to ramp up the cooler, or that I would finish gaming and all of a sudden notice how loud my PC is. No such worries with speedfan automatically changing speeds.