Re: Systems running hot?

From: Hajimu UMEMOTO <ume_at_FreeBSD.org>
Date: Tue, 22 Dec 2009 23:52:43 +0900
Hi,

>>>>> On Tue, 22 Dec 2009 08:04:02 -0500
>>>>> "Alexandre \"Sunny\" Kovalenko" <gaijin.k_at_gmail.com> said:

gaijin.k> hw.acpi.thermal.user_override: 0
gaijin.k> hw.acpi.thermal.tz0.temperature: 72.5C
gaijin.k> hw.acpi.thermal.tz0.active: -1
gaijin.k> hw.acpi.thermal.tz0.passive_cooling: 0
gaijin.k> hw.acpi.thermal.tz0.thermal_flags: 0
gaijin.k> hw.acpi.thermal.tz0._PSV: -1
gaijin.k> hw.acpi.thermal.tz0._HOT: -1
gaijin.k> hw.acpi.thermal.tz0._CRT: 126.0C
gaijin.k> ===> hw.acpi.thermal.tz0._ACx: -1 -1 -1 -1 -1 -1 -1 -1 -1 -1
gaijin.k> hw.acpi.thermal.tz0._TC1: -1
gaijin.k> hw.acpi.thermal.tz0._TC2: -1
gaijin.k> hw.acpi.thermal.tz0._TSP: -1

gaijin.k> If all you want is to make your system cooler during the operation, you could try setting  

gaijin.k> hw.acpi.thermal.tz0.passive_cooling=1
gaijin.k> hw.acpi.thermal.user_override=1
gaijin.k> hw.acpi.thermal.tz0._PSV=70C

gaijin.k> either in /etc/sysctl.conf or manually and see whether this makes a difference.

It seems his BIOS doesn't have the parameters for passive cooling.
The _TC1, _TC2 and _TSP have to be set as well.

Sincerely,

--
Hajimu UMEMOTO _at_ Internet Mutual Aid Society Yokohama, Japan
ume_at_mahoroba.org  ume_at_{,jp.}FreeBSD.org
http://www.imasy.org/~ume/
Received on Tue Dec 22 2009 - 13:53:04 UTC

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