Re: [lm-sensors] Jetway NC92-330-LF motherboard sensors.conf

["Maciej Żenczykowski" <zenczykowski@gmail.com>]

Fair enough, but the intel atom 330 chip is only 8W TDP (passive
cooling, although using the exhaust heat from the northbridge for
cooling) and the northbridge chipset is ~20W TDP (active cooling).  As
such it's not clear exactly what to expect to get hotter faster.
They're marked the way I believe the BIOS marks them, but on an idle
machine with plenty of cooling:

Core 0:      +40.0°C  (crit = +95.0°C)
Core 1:      +41.0°C  (crit = +95.0°C)
Core 2:      +42.0°C  (crit = +95.0°C)
Core 3:      +41.0°C  (crit = +95.0°C)

CPUFAN:     1920 RPM
SYSFAN1:    3667 RPM
SYSFAN2:    2008 RPM
?CPU Temp:   +31.0°C  (high = +85.0°C, hyst = +81.0°C)
?Sys Temp:   +41.0°C  (high = +85.0°C, hyst = +81.0°C)
???? Temp:   +47.0°C  (high = +70.0°C, hyst = +68.0°C)

# cat /proc/acpi/thermal_zone/THRM/temperature
temperature:             31 C

Unfortunately the core temps may or may not be correct (they may need
an offset of +-X degrees, since it's not clear what TjMax actually is
for an atom 330, and I'm 'kind of' guessing it to be 95), and the cpu
temp being lower than the sys temp actually makes some sense...

The last temperature isn't even shown by the BIOS, but does seem to
show a kind of reasonable value (maybe it's the NB?)...

I'm guessing that the CPU does actually run cooler than the
northbridge - it's just a tad counter-intuitive.

2009/6/15 Jean Delvare <khali@linux-fr.org>:
> On Fri, 5 Jun 2009 13:29:38 +0200, Maciej Żenczykowski wrote:
>> submitting a sensors.conf file for a Jetway NC92-330-LF motherboard
>> with f71882fg monitoring chip.
>>
>> # uname -a
>> Linux gaia 2.6.29.4-168.mz1.fc11.x86_64 #1 SMP Fri Jun 5 11:10:05 CEST
>> 2009 x86_64 x86_64 x86_64 GNU/Linux
>>
>> # lsmod | head -n 5
>> Module                  Size  Used by
>> f71882fg               27120  0
>> coretemp                6768  0
>>
>> Also including a slight patch to coretemp.c for atom support.
>>
>> Hope you include the conf in the wiki.
>
> Done, thanks for your contribution:
> http://www.lm-sensors.org/wiki/Configurations/Jetway/NC92-330-LF
>
> Note: you should really be able to tell which is the CPU temperature
> sensor by putting significant load on the system and watching which
> temperature value raises highest and fastest.
>
> --
> Jean Delvare
>

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