[lm-sensors] Intel boards utilizing QST for fan control

Valentijn Scholten valentijnscholten at hotmail.com
Sun Jun 19 01:58:28 CEST 2011

Guenter Roeck <guenter.roeck <at> ericsson.com> writes:
> Intel provides an open source SDK which can be used to access QST information.
> You can get this SDK from 
> 	http://software.intel.com/en-
> This SDK depends on a Linux driver named heci. This driver was made available 
by Intel 
> at http://sourceforge.net/projects/openamt/. The driver was included in the 
Linux kernel
> staging tree for a period of time. Unfortunately, Intel abandoned the project 
and requested
> the driver to be removed from the kernel, which happened with 2.6.32. See 
"Linux support" at
> for details. Too bad, since the driver seemed to be in pretty good shape.
> In summary, if you want to buy an Intel board and want to see voltage and fan 
> data in Linux, check the board specification if it utilizes QST for fan 
control. If it does,
> the board may not be optimal for your purpose, and you might want to look for 
another board
> instead.
> If you do have such a board and want its fan control to be supported by the 
Linux kernel,
> I would suggest to get in touch with Intel and request such support. Maybe 
they reconsider
> their position if enough people request it.
Good news, Intel released new open source AMT drivers: 

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