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Re: sensors

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From Clemens Ladisch <clemens@ladisch.de>
Newsgroups comp.os.linux.hardware
Subject Re: sensors
Date Fri, 26 Aug 2016 22:25:55 +0200
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isuy wrote:
> I have AMD FX 4350 quad core cpu with stock air fan installed. The room temperature is about 25C, but sensors command shows cpu temp is 16C.

The documentation says:
| There is one temperature measurement value, available as temp1_input in
| sysfs. It is measured in degrees Celsius with a resolution of 1/8th degree.
| Please note that it is defined as a relative value; to quote the AMD manual:
|
|   Tctl is the processor temperature control value, used by the platform to
|   control cooling systems. Tctl is a non-physical temperature on an
|   arbitrary scale measured in degrees. It does _not_ represent an actual
|   physical temperature like die or case temperature. Instead, it specifies
|   the processor temperature relative to the point at which the system must
|   supply the maximum cooling for the processor's specified maximum case
|   temperature and maximum thermal power dissipation.

(http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/tree/Documentation/hwmon/k10temp)


Regards,
Clemens

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sensors isuy <isuy@socal.rr.com> - 2016-08-26 12:14 -0700
  Re: sensors nixiguf@gmail.com - 2016-08-26 13:14 -0700
  Re: sensors Clemens Ladisch <clemens@ladisch.de> - 2016-08-26 22:25 +0200
    Re: sensors dlbendigo  <laidlaws@hotkey.net.au> - 2016-08-30 20:18 +1000

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