Date: Mon, 01 Oct 2007 21:24:11 +0200 From: mato <gamato@users.sf.net> To: Kevin Oberman <oberman@es.net> Cc: freebsd-current@freebsd.org Subject: Re: GSoC2007: cnst-sensors.2007-09-13.patch Message-ID: <4701495B.9030409@users.sf.net> In-Reply-To: <20071001183728.A289D45010@ptavv.es.net> References: <20071001183728.A289D45010@ptavv.es.net>
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Kevin Oberman wrote: >> Date: Mon, 01 Oct 2007 19:34:56 +0200 >> From: mato <gamato@users.sf.net> >> >> Kevin Oberman wrote: >> >>>> From: martinko <gamato@users.sf.net> >>>> Date: Tue, 25 Sep 2007 20:35:44 +0200 >>>> Sender: owner-freebsd-current@freebsd.org >>>> >>>> Chuck Swiger wrote: >>>> >>>> >>>>> The threshold temperature varies depending on the exact part, but is >>>>> generally around 65 Celsius-- and is hot enough that you don't really >>>>> want to encounter it in normal operation, as it's a sign that cooling is >>>>> not adequate for the system to continue to operate safely at full >>>>> speed. Most of the Intel CPUs also include a second thermal circuit >>>>> called THERMTRIP which fires around 95 Celsius which will shut the CPU >>>>> down entirely to prevent a catastrophic failure. >>>>> >>>>> >>>>> >>>> I've got Pentium-M at 2GHz and when fully loaded it heats up to 79 >>>> Celsius. Could it be OK or do I have a faulty laptop ? >>>> >>>> >>> My Pentium-M 2GHz system will get well above 80C when doing big builds >>> and this is well below the defined PSV (94.5C) and CRT (99C) >>> levels. These things can run very hot and be perfectly happy. >>> >>> OTOH, it might be time to clean the heatsink in the machine. That can >>> hurt heat transfer as a machine gets older. >>> >>> FWIW, the spec on the Pentium-M 2GHZ system is 105C, so CRT at 99 looks >>> right. >>> >>> >> Mine says: >> >> hw.acpi.thermal.tz0._PSV: 105.0C >> hw.acpi.thermal.tz0._CRT: 110.0C >> >> This is Asus W1N laptop. >> > > I'm not about to start checking spec sheets for people. They are all > on-line. I assume that the ASUS W1N is not in the same processor family > as the Pentium-M 735, but I have no idea what it is. I don't even know > if it is Intel, AMD or VIA. > > Looks like this one might require Kevlar pants if you put it on your > lap. Ouch! Of course, the external temperature of the unit will never > approach these temperatures. > I didn't mean it. I only provided my values since they differ from yours. As I wrote I've got Intel Pentium M at 2 GHz, model 755 (Dothan). Anyway, thanks for your feedback and please consider this thread closed. M.
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