[ltp] ThinkPad T23 maximum safe temperature?

Martin Steigerwald linux-thinkpad@linux-thinkpad.org
Wed, 24 Aug 2011 19:29:55 +0200


Am Mittwoch, 24. August 2011 schrieb Martin Steigerwald:
> Am Samstag, 13. August 2011 schrieb Martin Steigerwald:
> > Hi!
> > 
> > That fan finally gives up. I pinned governor to "powersave".
> > 
> > I get
> > 
> > deepdance:~> acpi -t
> > Thermal 0: ok, 52.0 degrees C
> > 
> > with values round from 50-57 degrees.
> 
> Seems that these were safe, cause today I inserted that used CPU cooler
> from a Ebay seller and it appears to work. Nonetheless acpi -t just
> shows similar temperatures, even higher ones when set to performance
> cpufreq governor:
> 
> deepdance:~> acpi -t
> Thermal 0: ok, 55.0 degrees C
> deepdance:~> acpi -t
> Thermal 0: ok, 56.0 degrees C
> deepdance:~> acpi -t
> Thermal 0: ok, 56.0 degrees C
> deepdance:~> acpi -t
> Thermal 0: ok, 56.0 degrees C
> deepdance:~> acpi -t
> Thermal 0: ok, 56.0 degrees C
> deepdance:~> acpi -t
> Thermal 0: ok, 62.0 degrees C
> deepdance:~> acpi -t
> Thermal 0: ok, 62.0 degrees C
> deepdance:~> acpi -t
> Thermal 0: ok, 62.0 degrees C
> deepdance:~> acpi -t
> Thermal 0: ok, 62.0 degrees C
> deepdance:~> acpi -t
> Thermal 0: ok, 62.0 degrees C
> deepdance:~> acpi -t
> Thermal 0: ok, 62.0 degrees C
> deepdance:~> acpi -t
> Thermal 0: ok, 62.0 degrees C
> deepdance:~> acpi -t
> Thermal 0: ok, 62.0 degrees C
> deepdance:~> acpi -t
> Thermal 0: ok, 60.0 degrees C
> deepdance:~> acpi -t
> Thermal 0: ok, 60.0 degrees C
> deepdance:~> acpi -t
> Thermal 0: ok, 60.0 degrees C
> deepdance:~> acpi -t
> Thermal 0: ok, 60.0 degrees C
> deepdance:~> acpi -t
> Thermal 0: ok, 60.0 degrees C
> deepdance:~> acpi -t
> Thermal 0: ok, 60.0 degrees C
> deepdance:~> acpi -t
> Thermal 0: ok, 66.0 degrees C
> 
> Okay, but there is a steady flow of air coming out of the machine and
> it seems that cooling works:
> 
> deepdance:~> acpi -t
> Thermal 0: ok, 63.0 degrees C
> deepdance:~> acpi -t
> Thermal 0: ok, 63.0 degrees C
> deepdance:~> acpi -t
> Thermal 0: ok, 63.0 degrees C
> deepdance:~> acpi -t
> Thermal 0: ok, 59.0 degrees C
> deepdance:~> acpi -t
> Thermal 0: ok, 57.0 degrees C
> deepdance:~> acpi -t
> Thermal 0: ok, 57.0 degrees C
> deepdance:~> acpi -t
> Thermal 0: ok, 56.0 degrees C
> deepdance:~> acpi -t
> Thermal 0: ok, 56.0 degrees C
> deepdance:~> acpi -t
> Thermal 0: ok, 56.0 degrees C
> deepdance:~> acpi -t
> Thermal 0: ok, 56.0 degrees C
> 
> Its quite hot here, so cooling the laptop might be more of a challenge
> than on colder days.
> 
> I am setting to cpufreq governor "ondemand" now and let it do a full
> dist- upgrade.

Just for reference

deepdance:~> acpi -t
Thermal 0: ok, 50.0 degrees C
deepdance:~> acpi -t
Thermal 0: ok, 48.0 degrees C
deepdance:~> acpi -t
Thermal 0: ok, 48.0 degrees C
deepdance:~> acpi -t
Thermal 0: ok, 48.0 degrees C
deepdance:~> acpi -t
Thermal 0: ok, 48.0 degrees C
deepdance:~> acpi -t
Thermal 0: ok, 49.0 degrees C
deepdance:~> acpi -t
Thermal 0: ok, 48.0 degrees C
deepdance:~> acpi -t
Thermal 0: ok, 48.0 degrees C
deepdance:~> acpi -t
Thermal 0: ok, 48.0 degrees C
deepdance:~> acpi -t
Thermal 0: ok, 48.0 degrees C
deepdance:~> acpi -t
Thermal 0: ok, 48.0 degrees C
deepdance:~> 

shows temperatures ondemand governor - running mostly at 732 MHz (just 
Amarok playing music). So with the working cooler, temperatures are a bit 
lower than without it.

Ciao,
-- 
Martin 'Helios' Steigerwald - http://www.Lichtvoll.de
GPG: 03B0 0D6C 0040 0710 4AFA  B82F 991B EAAC A599 84C7