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  • #1

    BIOS temps vs CoreTemp and HWMonitor readings

    Rebuild finished, Win 7 64-bit installed, drivers updated and all seems to be working fine. I downloaded and ran CoreTemp (64-bit) and HWMonitor (64-bit) to check temperatures and voltages. I'm a little confused about the readings they produced as opposed to the readings in PC Health in the BIOS.

    BIOS temps are System temp = 40C, CPU = 44C (at this writing). Both CoreTemp and HWMonitor show CPU temps in the 30-32C range. Which are to be believed? Also, in HWMonitor, there are readings for TMPIN0, TMPIN1 and TMPIN2. I've done a little searching around and there are varying opinions as to what these readings relate to (case temp, core temp, NB temp, etc.). Anyone have a definitive answer? Also, any opinions on the voltages shown in HWMonitor?

    New components
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  • #2
    Re: BIOS temps vs CoreTemp and HWMonitor readings

    TMPINx are the equivlent to what BIOS shows.
    T know which is which you can compare them to EasyTune(if available to AMD).
    VIN0 is ram voltage.

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    • #3
      Re: BIOS temps vs CoreTemp and HWMonitor readings

      TMPIN0 should be system (southbridge)
      TMPIN1 should be CPU
      TMPIN2 should be Northbridge.

      On my system Hardware monitor is acurate and very close to the bios I would trust that... Like Chike said verify with EasyTune or I think AOD is amd over drive software if it works.
      or Put a small 80mm fan blowing on the northbridge heatsink and watch the temp drop.
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      • #4
        Re: BIOS temps vs CoreTemp and HWMonitor readings

        Thanks for the info. I haven't installed EasyTune 6. I might do it to confirm the numbers. If the HWMonitor numbers are close to accurate may I assume that they are within boundaries for safety? I've heard that CPU temp wants to be at least 20C under TJ Max. Any comments on what the HWMonitor voltages show?
        Silverstone TJ08B-E micro ATX case | ASRock Z77 Pro4-M micro ATX MB | Intel i5 3570K CPU | Samsung 830 256GB SATA 3 SSD | WD Caviar Black 500GB SATA 3 HDD | EVGA GTX 650 | 16 GB Corsair Vengeance DDR3 1600 SDRAM | Cooler Master Hyper 212 EVO | Windows 7 HP 64-bit

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        • #5
          Re: BIOS temps vs CoreTemp and HWMonitor readings

          Yea not sure what to believe, Running COre TEmp 0.99.7 and on idle its states Cores are at 43, 40,43 and 37. EasyTune states CPU is at 35. Under Prime Easytune states 55c and CoreTemp states 76 the highest reading.
          The GPU temps on the other hand are exact with Smart Doctor.
          CPU: i7-930 @ 4ghz V 1.248 QPI/VTT v1.35
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          OCZ Vertex 2 60GB

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          • #6
            Re: BIOS temps vs CoreTemp and HWMonitor readings

            always use core temperatures,easytune takes temps from the cpu and not the cores themselves which are the hottest part of the chip
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            • #7
              Re: BIOS temps vs CoreTemp and HWMonitor readings

              Originally posted by highcountryrider View Post
              Thanks for the info. I haven't installed EasyTune 6. I might do it to confirm the numbers. If the HWMonitor numbers are close to accurate may I assume that they are within boundaries for safety? I've heard that CPU temp wants to be at least 20C under TJ Max. Any comments on what the HWMonitor voltages show?
              Maybe you meant: CPU temp should be at the MOST 20c below TJmax?? Anyway, I don't think that's a universal truth or anything, just a rule of thumb.

              I don't know the exact value of TJmax for your chip but I would guess it's something around 80-90sh?--that's the temp your CPU will begin to throttle itself for protection. You seem well below that and have a normal cpu temp as far as I can tell.

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              • #8
                Re: BIOS temps vs CoreTemp and HWMonitor readings

                Originally posted by faust1200 View Post
                Maybe you meant: CPU temp should be at the MOST 20c below TJmax?? Anyway, I don't think that's a universal truth or anything, just a rule of thumb.

                I don't know the exact value of TJmax for your chip but I would guess it's something around 80-90sh?--that's the temp your CPU will begin to throttle itself for protection. You seem well below that and have a normal cpu temp as far as I can tell.
                According to CoreTemp the TJ Max for this chip is 72 C (see screen shot). If that is correct then anything in the range of 50 - 55C under load should be acceptable, is that a viable assumption?
                Silverstone TJ08B-E micro ATX case | ASRock Z77 Pro4-M micro ATX MB | Intel i5 3570K CPU | Samsung 830 256GB SATA 3 SSD | WD Caviar Black 500GB SATA 3 HDD | EVGA GTX 650 | 16 GB Corsair Vengeance DDR3 1600 SDRAM | Cooler Master Hyper 212 EVO | Windows 7 HP 64-bit

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                • #9
                  Re: BIOS temps vs CoreTemp and HWMonitor readings

                  Originally posted by highcountryrider View Post
                  According to CoreTemp the TJ Max for this chip is 72 C (see screen shot). If that is correct then anything in the range of 50 - 55C under load should be acceptable, is that a viable assumption?

                  Yes. And even if it got into the 60's during stress testing, I wouldn't sweat it. Typically, you're not doing things in real life that are equal to many of the stress tests.

                  I like the program Real Temp, personally...but I think that's only for Intels.
                  Last edited by faust1200; 09-30-2010, 06:53 PM.

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