Re: [lm-sensors] Gigabyte E240N, it87 module, fan speed control not working, readings may bad

["Hajdu Tamás Márk" <fathom@sirc.hu>]

Hi,

If it is not connected shouldn't it report N/A or something like that? 
Also it is strange the out of 3 temp sensors the second one shows -70 
degrees:
# cat /sys/class/hwmon/hwmon1/device/temp1_input
33000
# cat /sys/class/hwmon/hwmon1/device/temp2_input
-70000
# cat /sys/class/hwmon/hwmon1/device/temp3_input
46000
If I get the meaning of the readings well, that 46 Celsius is the core 
temperature. It would be a bit surprising if that is true, cause there 
is no load on the machine and the CPU is taken back to 750 Mhz, I would 
expect a lower value there too.

The pwmX_enable values are 0,2,2 though I can echo anything to it, I 
can't make the fan stop or change it's speed.

The reason I want to this is that I have made a special case for the 
machine and the fan I have connected to the system fan is only 
responsible for HDD cooling, it should controlled by the hddtemp values. 
But anyway it would be better to have control over the cpu cooling as 
well cause I think it is overcooled now, which is simply wasting energy.

Cheers,
Tamás


2013-03-27 03:24 keltezéssel, Guenter Roeck írta:
> On Wed, Mar 27, 2013 at 12:14:36AM +0100, Hajdu Tamás Márk wrote:
>> Hi,
>>
>> I have a Gigabyte E240N mainboard (integrated amd cpu and gpu),
>> which by pwmconfig reported to use it87 module. This is for first
>> sight works, but one out of 3 temperature reading is always -70
>> degrees (though it is the temp3, which I don't know what), other two
> Most likely it is not connected to anything.
>
>> seems to good. Also the fan speed readings seems to be ok (I am not
>> 100% sure). What it really does, that hwmon1 is created and there
>> are changing values so at least it is partially working.
>> I have tried to use pwmconfig to configure and also tried to echo
>> values I could think of, but I could not set (nor pwmconfig could)
>> it's speed.
> Fan control may be in automatic mode. That is the case if pwmX_enable
> returns 2. If so, you are most likely better off by leaving it alone.
>
> Guenter
>


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