Date: Tue, 22 Dec 2009 23:52:43 +0900 From: Hajimu UMEMOTO <ume@FreeBSD.org> To: "Alexandre \"Sunny\" Kovalenko" <gaijin.k@gmail.com> Cc: freebsd-current@FreeBSD.org, Doug Barton <dougb@FreeBSD.org> Subject: Re: Systems running hot? Message-ID: <yge7hsff4ck.wl%ume@mahoroba.org> In-Reply-To: <1261487042.24529.15.camel@RabbitsDen> References: <4B2D4B53.1060503@FreeBSD.org> <1261487042.24529.15.camel@RabbitsDen>
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Hi,
>>>>> On Tue, 22 Dec 2009 08:04:02 -0500
>>>>> "Alexandre \"Sunny\" Kovalenko" <gaijin.k@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 @ Internet Mutual Aid Society Yokohama, Japan
ume@mahoroba.org ume@{,jp.}FreeBSD.org
http://www.imasy.org/~ume/
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