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Date:      Fri, 9 May 2008 09:14:11 +0200
From:      "Christian Zachariasen" <chrizach@gmail.com>
To:        "FreeBSD Mailing Lists" <freebsd-questions@freebsd.org>,  "Wojciech Puchar" <wojtek@wojtek.tensor.gdynia.pl>
Subject:   Re: coretemp 70C = CPU too hot?
Message-ID:  <4a89d1190805090014i5a7c6e62ud0725909b7cff222@mail.gmail.com>
In-Reply-To: <20080509090729.G87682@wojtek.tensor.gdynia.pl>
References:  <560f92640805081955m3219d3d3k26946a3ad5d86b1b@mail.gmail.com> <4a89d1190805082310o5f957871w6f211bc4d9942768@mail.gmail.com> <20080509090729.G87682@wojtek.tensor.gdynia.pl>

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On Fri, May 9, 2008 at 9:08 AM, Wojciech Puchar <
wojtek@wojtek.tensor.gdynia.pl> wrote:

> As with so many other things in the computer world, it depends. With no
>> case
>> fans, it's weird that the computer gets colder if it has something above
>> and
>>
>
> no it's not. the machines above and below has proper cooling, and transfers
> this machine heat by conduction - rack cases are mostly metal and conduct
> heat well.


I've very little experience with computers in racks, but if the machines are
actually touching, then yes, this could be the case.

The 65 C temperature a previous poster was talking about is not the maximum
operating temperature for the actual processor, it's the maximum temperature
in the case while the computer is operating. As far as I know CPU
temperatures are measured on the actual processor die, and the case
temperature will normally be *much* lower.

Christian Zachariasen



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