GSoC2007: cnst-sensors.2007-09-13.patch

[mato]

Kevin Oberman wrote:
>> Date: Mon, 01 Oct 2007 19:34:56 +0200
>> From: mato <gamato at users.sf.net>
>>
>> Kevin Oberman wrote:
>>     
>>>> From: martinko <gamato at users.sf.net>
>>>> Date: Tue, 25 Sep 2007 20:35:44 +0200
>>>> Sender: owner-freebsd-current at 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.