CPU temperature seems rather high

I have a Lenovo Thinkpad R61, and my temperature under normal load seems to stagnate around 50 degrees Celcius, which seems kind of high. When put under heavy load (compiling a kernel) it steadily rose to around 66 degrees celcius before I stopped the operation. While under heavy load,  /proc/acpi/ibm/fan reported 3202, and under normal load now it reports 3125. Is it just me, or this CPU temperature kind of high? What can I do about it?
PS: Because it's a thinkpad, I can't use lm_sensors. thinkpad_acpi module takes care of such things.
Last edited by violagirl23 (2008-06-02 07:34:56)

[rant]
Hah, IME laptops = heaters.
Even my dinosaur P2 celeron lappy gets to 70C CPU under load BEFORE the BIOS turns on the fan.
I think the idea is to hold off running the cooling as long as possible so cpuidle/speedstep can allow the chip to cool before using battery to run the fan.
As for the AC adaptor heating up, this smacks of poor design, the PSU should be able to maintain full load + battery charging for at least as long as a full charge from empty takes. Anything else is cutting corners based on 'yeah but how often will THAT happen'.
If your ACPI setup is not doing what it should, power consumption + heat output will be excesive under no/low load but full load power is full load power, as there is nothing to turn off.
My attitude would be, set up acpi and speedstep then ignore the temps. If it cooks under load then the hardware cooling solution is rubbish.
Seriously though, your temps sound quite normal. Look up the specs for your CPU on processorfinder.intel.com (or the AMD equivalent) you will probably be surprised at how high the max temperatures are. As for the AC adaptor - Don't run full speed while the battery is charging? The damn thing should be designed to handle it.
Do try and keep the HDD cool if you can - it is spinning down when not used right? Modern HDDs generate a fair bit of heat themselves when running and there ain't much airflow around the disc in most laptops.
EDIT: your HDD temps look sweet.
Have you played with laptop_mode?
[/rant]
Steve.
Last edited by steve_v (2008-06-07 02:30:59)

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    This was after seating and reseating the cooler, CPU, memory many times and it was only on Asetek's forums that reminded me that I should maybe do some independant tests by taping probes on the cpu's board as close to the core as poss, a difference of twenty degrees no less.
    CoreCentre seems to have got a bit lost and a tad annoyed as I cross checked after buying the components for a 1/2" inch custom watercooling setup.
    Now this is the current temp and voltages I get:
    The 45 degree high was me using Prime to "cook" the thermal paste as I had to reseat the Artic Freezer 64 as it had dropped a touch.
    My ClawHammer is for some reason one of those that never had a heatspreader which of course leads to difficulties with such coolers as the Freezer 64 Pro.   Does anyone know where I can get another spreader or should I just leave it...?
    I am not going to o/c this CPU to be honest, since sorting the temps out and once the watercooling is on, 3.2Ghz is plenty good for me for the moment and bearing in mind the Neo's touchyness about settings in BIOS I am very much considering now to roll back the BIOS to 1.9 as it was 2.2 that started causing the problems.
    As for the memory timings, my Neo is totally ignoring any attempts to change the timings of my memory, I had to part company with my XMS Crucial sticks because the Neo had all sorts of problems and running some of the best memory at DDR200 was pointless.
    AO

  • G41M-P25 / HW monitor F71889F - incorrect CPU temperature readings?

    My old mainboard blew up (literally, the capacitators leaked) and I had it replaced with a G41M-P25. The tech guy also put a new CPU cooler on the board because for whatever reason he decided that my old one wouldn´t fit. From then on my PC became extremely unstable, according to various monitor programs the CPU temperature was ca. 60°C in idle mode and went up to 85°C (!) within 2 minutes with full CPU load then the board would shut down.
    I went back to the store and complained and got a stronger cooler. The system runs stable now, but the CPU temperature readings are still quite high: ca. 50°C in idle, up to 68°C with full load. I double-checked the values in the BIOS monitor and it shows the same temperatures. But the heat sink is cool (way below body temperature) and when I touch the spot where it is sitting on the CPU it is cool, too.
    So... what are the chances that the HW monitor is reporting an incorrect CPU temperature? Is there any known issue with the mainboard G41M-P25 and the built in HW monitor Fintek F71889F? SpeedFan also reports quite high temperatures for "temp2" under full load (up to 80-90°C), which seems to be the mosfet temperature - but I know that SpeedFan is not completely to be trusted. I just worry about the CPU temperature, according to the Intel datasheet it should be ca. 63°C at most.
    My system:
    Mainboard MSI G41M-P25
    CPU Intel Pentium D 2.8GHz
    The Pentium D is known for getting hot fast, but on the other hand the cooler is already pretty strong and like I said a touch test revealed that the area near the CPU is way below body temperature, so nowhere near 68°C. In comparison the temperature reported for my graphics card is 50-60°C which seems to be correct because it actually is hot and the air surrounding it is warm, too. Should I just ignore the temperature readings? Or is this a problem which can possibly be fixed with a BIOS update? Or maybe complain again and have the mainboard replaced?

    Well, I used Speedfan. Problem is when under load temp2 hits about 80°C thermal throttling occurs which makes my processor useless for gaming. Because of that, I changed processor for my old P4 3,0GHz and OC'ed it a little (@3,27GHz). Temps are similiar, but lower than 80°C. Here is log from Speedfan after 2 mins CPU torture:
    Quote
    Seconds   GPU   CPU   Temp1   Temp2   Core
    61244   51,0   43,25   50,0   50,0   51,0
    61247   51,0   43,25   51,0   51,0   51,0
    61250   51,0   43,25   53,0   54,0   51,0
    61253   51,0   43,25   54,0   54,0   51,0
    61256   51,0   43,25   53,0   54,0   51,0
    61259   51,0   43,0   54,0   55,0   51,0
    61263   51,0   43,25   54,0   56,0   51,0
    61265   51,0   43,25   54,0   56,0   51,0
    61269   51,0   43,0   54,0   56,0   51,0
    61272   51,0   43,25   54,0   57,0   51,0
    61275   51,0   43,25   53,0   57,0   51,0
    61278   51,0   43,25   51,0   56,0   51,0
    61281   51,0   43,25   50,0   55,0   51,0
    61284   51,0   43,25   50,0   54,0   51,0
    61287   51,0   43,25   50,0   54,0   51,0
    61290   51,0   43,25   49,0   53,0   51,0
    61293   51,0   43,0   49,0   53,0   51,0
    61296   51,0   43,25   49,0   53,0   51,0
    61299   51,0   43,25   49,0   53,0   51,0
    61302   51,0   43,25   50,0   53,0   51,0
    61305   51,0   43,25   49,0   53,0   51,0
    61308   51,0   43,0   49,0   52,0   51,0
    61311   51,0   43,25   50,0   52,0   51,0
    61314   51,0   43,25   49,0   52,0   51,0
    61318   51,0   43,0   50,0   52,0   51,0
    61321   51,0   43,0   50,0   53,0   51,0
    61324   51,0   43,25   52,0   53,0   51,0
    61327   51,0   43,25   56,0   56,0   51,0
    61330   51,0   43,25   56,0   57,0   51,0
    61333   51,0   43,25   58,0   60,0   51,0
    61336   51,0   43,25   58,0   61,0   51,0
    61339   51,0   43,25   58,0   63,0   51,0
    61342   51,0   43,25   59,0   67,0   51,0
    61345   51,0   43,5   59,0   65,0   51,0
    61348   51,0   43,5   59,0   65,0   51,0
    61351   51,0   43,25   59,0   66,0   51,0
    61354   51,0   43,5   60,0   67,0   51,0
    61357   51,0   43,25   59,0   68,0   51,0
    61360   51,0   43,25   59,0   69,0   51,0
    61363   51,0   43,5   59,0   70,0   51,0
    61367   51,0   43,5   60,0   71,0   51,0
    61370   51,0   43,25   60,0   71,0   51,0
    61373   51,0   43,5   60,0   73,0   51,0
    61376   51,0   43,5   60,0   73,0   51,0
    61379   51,0   43,5   60,0   73,0   51,0
    61382   51,0   43,5   60,0   73,0   51,0
    61385   51,0   43,5   60,0   74,0   51,0
    61388   51,0   43,5   60,0   74,0   51,0
    61391   51,0   43,5   60,0   75,0   51,0
    61394   51,0   43,5   60,0   75,0   51,0
    61397   51,0   43,5   60,0   76,0   51,0
    61400   51,0   43,5   60,0   76,0   51,0
    61403   51,0   43,5   60,0   76,0   51,0
    61406   51,0   43,5   60,0   77,0   51,0
    61409   51,0   43,75   60,0   77,0   51,0
    61412   51,0   43,5   60,0   77,0   51,0
    61416   51,0   43,75   60,0   78,0   51,0
    61419   51,0   43,75   60,0   78,0   51,0
    61422   51,0   43,5   60,0   78,0   51,0
    61425   51,0   43,5   60,0   78,0   51,0
    61428   51,0   43,5   60,0   79,0   51,0
    61431   51,0   43,75   61,0   79,0   51,0
    61434   51,0   43,75   61,0   79,0   51,0
    61437   51,0   43,75   60,0   79,0   51,0
    61440   51,0   43,75   60,0   79,0   51,0
    Also, my CPU cooler is Scythe Katana III and it's installed properly.

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