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cpu temperature - how did i get it so low!?

Discussion in 'Hardware' started by Sphinx, Jul 24, 2004.

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  1. Sphinx

    Sphinx Thread Starter

    Joined:
    Aug 5, 2003
    Messages:
    606
    Hi I just built a computer for my friend.

    I used a micro ATX motherboard (MSI K72NMG), which by the way is one of the best motherboards ive ever used.

    put in a 333mhz AMD XP 3000+ and pc2700 512mb memory which i synchronized to a 1:1 ratio (cpu to memory).

    I put all this great stuff in a nice gaming case, the GAURDIAN (http://www.atxcases.com/Cases/gaurdian.htm), and seem to have pretty good airflow.

    Tell me if I have this airflow right - the fan on the side panel is an exhaust (sucking out hair), I then have to back fans (exhaust) which are vented toward the heatsink (in order to suck air directly from there). Then one fan in the front INTAKE, blowing in air. I think it is all working out pretty well,

    i coulldn't believe the results on this thing!

    CPU TEMP IDLE.... 27 C
    CPU TEMP FULL LOAD.. no higher than 36 C

    I used a COOLJAG heatsink with a 60mm fan blowing at 4400 RPM, copper base, and arctic silver 5 thermal paste.


    I am jealous of my friends computer because my computer is usually around CPU TEMP 47 or 48 C, and thats on IDLE! reaches about 56C full load. It is not using arctic silver 5, but it is using some kind of thermal paste, so I have no idea why its so much hotter than the other one. Mine has an 80mm fan that blows 2200RPM, i just dont see how my friends that i built is SO MUCH cooler.

    It doesn't even have a great power supply either, at least I don't think so, its a 400W RION power supply, while mine is RAIDMAX 350 watt ( i know raidmax is crap, but never heard of rion).

    Anyway, would like to hear anbodys thoughts / comments
     
  2. Triple6

    Triple6 Moderator

    Joined:
    Dec 26, 2002
    Messages:
    52,843
    First Name:
    Rob
    "Tell me if I have this airflow right - the fan on the side panel is an exhaust (sucking out hair), I then have to back fans (exhaust) which are vented toward the heatsink (in order to suck air directly from there). Then one fan in the front INTAKE, blowing in air. I think it is all working out pretty well," - Hopefully you do not have hair in your Computer :)

    Yeah thats a good setup but usually so many fans are not even required.

    Its hard to say why yours is running warmer. But different components yield different results - different CPU, heatsink, motherboard sensor(they are not exact). Different fans move different amounts of air and different heatsinks have different thermal properties. Check the air flow rating of your heatsink; the CFM. Sometimes its just a matter of re-applying better thermal paste. Also make note of the case/motherboard temp - a lower case temp will result in a lower CPU temp.
     
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