Strange CPU Temps

Discussion in 'Hardware' started by rax, Aug 20, 2007.

  1. grim

    grim Gigabyte Poster

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    have you changed the bios version since, it's not uncommon for them to change temperature readings. the software could be reading the bios temps ?

    grim
     
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  2. Theprof

    Theprof Petabyte Poster

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    I see, but what I meant was the voltage not the watts. Usually its around 12v sometimes its a little over like 12.2V or 12.3V or sometimes its a little under like 11.9V or 11.8V.

    If its way over 12V then thats not good from my experience. Causes problems.

    You can get the reading either through speedfan software or other temp software.
     
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  3. rax

    rax Megabyte Poster

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    Grim: No, I havn't changed any BIOS version.

    Theprof, on Speedfan

    +12v 0.00v
    -12v -16.97v

    I have no idea what this means..

    I changed my thermalpaste to arctic 5 today, hasn't made any difference apart from when I first booted up, my core temps were 43/39 (this is what they should be around with 1.4v vcore) but soon went up to 47-50ish.
     
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  4. Theprof

    Theprof Petabyte Poster

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    Looks ok, could you tell me what the voltage is for +3.3V and +5V is? right beside the vcore1 and 2 you'll see your readings.

    I assume you know this but the 3.3v rails and the 5V rails are used to power the motherboard and components on the on the motherboard it self such as the cpu, sound cards, etc. The 12V rails are used to power prepherals like hard drives, cd-rom drives, etc. Nowadays some of the juice the motherboard receives also comes from 12V rails.
     
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  5. grim

    grim Gigabyte Poster

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    one other thing i've noticed you've overlooked, whats the rpm of the cpu fan ? is it setup to power up/down a certain temps etc ?

    grim
     
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  6. rax

    rax Megabyte Poster

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    Grim: It's on manual speed, I have it at max - 2000 rpm.

    Theprof: Don't know much about the electrical currents through pc's being honest. :oops:

    I've got my Vcore on 1.325 right now, these are the speedfan readings

    Vcore1: 1.33v
    Vcore2: 1.90v
    +3.3v: 3.34v
    +5v: 4.92v


    -5v: -8.63v
    +5v: 5.16v
    Vbat: 3.23v
     
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  7. grim

    grim Gigabyte Poster

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    2000rpm should be fine, i take it the fans blowing down ?

    your Pc has different voltages running through it 3, 5, & 12 and if they are running too high it'll cause higher temps and its why you gotta be careful upping the vcore when overclocking.

    grim
     
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  8. rax

    rax Megabyte Poster

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    It's blowing to the back of the case, where the case fan pumps hot air out
     
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  9. Theprof

    Theprof Petabyte Poster

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    The readings look ok, but I have a feeling it could be the power supply that is causing your temps to go high. Have you tried swapping the power supply with another one and see if that makes a difference?
     
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