Date: Mon, 21 Jul 2008 18:17:59 +0300 From: Manolis Kiagias <sonic2000gr@gmail.com> To: Achilleas Mantzios <achill@matrix.gatewaynet.com> Cc: freebsd-questions@freebsd.org, iwrTech@iwr.ru.ac.za Subject: Re: Monitoring CPU temperature: mbmon shows 201 degrees C Message-ID: <4884A8A7.3070108@gmail.com> In-Reply-To: <200807211656.10874.achill@matrix.gatewaynet.com> References: <48849FFD.10285.C71CED5@iwrtech.iwr.ru.ac.za> <200807211656.10874.achill@matrix.gatewaynet.com>
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Achilleas Mantzios wrote: >> My office goes to 38C in summer, and all 5 computers just keep on >> going, using the principles above. I fitted a fan to the UPS as well >> (-: >> >> >> > My box has 3 fans, one on the case blowing from outside=>inside, > one in the power supply and one on the CPU. > > In the evening, i will have the case/board inside blown/cleaned with air, > i am gonna close the case, and i am gonna tune BIOS to fail-safe settings. > > Apart from that, i would like to have a reliable tool to monitor temperature. > Is there anything in mind? > As you already noticed, mbmon is no good in recent hardware. It works successfully in my 865-based systems though. As others have said, I would recommend adding a rear out-take fan. Do not rely on the PSU's fan to take all the warm air out. The PSU generates heat on its own, and the fan may not be sufficient. A rear out-take fan should be located rather high - at CPU height - since warm air always goes up. This is where most cases have a place for the fan anyway. A note for monitoring: If you are using FreeBSD 7.0 and you have an Intel Core CPU, there is a new coretemp(4) driver that can actually read the on-die digital thermal sensor. Have a look at man coretemp
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