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New heatsink, same temperatures?

post #1 of 7
Thread Starter 
Ok, I switched my friends heatsink from the stock amd 255 heatsink (aluminium 1/2 inch with fan attached) to this and I was the one who installed it so its installed correctly, but thanks to the fact that the socket on the motherboard is 90 degrees turned from what mine is for some reason the fan points down, and the temperatures are EXACTLY the same as the last heatsink. Idles low 30s and under load about 50, my CPU, which is the exact same as hers goes to a max of 38-39C, and I'm OC'd 500 MHz...What the hell is going on? does the fact that the fan is pointing down on hers and pointing towards the front on mine make that much difference?

Edit: was just thinking about airflow, and if I turned the back fan to where its pulling air in and the power supply takes it out would that make it recycle the air enough to get the temperatures down?
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post #2 of 7
If your exhaust fan is not to the rear and the top then yes, that orientation wont exhaust the heat directly. It's basically directly blowing the hot air at the top of the inside of the case and isn't being exhausted properly.

The reason why that cooler is oriented the way it is is because of a push pull system, when placed to the front of the case the standard rear exhaust, (to the back of the case) vents airflow from the cooler properly in one direction.

Here is a little pic I made



Quote:
Originally Posted by DaMirrorLink View Post

Edit: was just thinking about airflow, and if I turned the back fan to where its pulling air in and the power supply takes it out would that make it recycle the air enough to get the temperatures down?

Then you risk overheating your powersupply and generally the pc will run hotter still.


- By the way, how many cooling devices does your friend have in his/her case currently?
Edited by Eerazer - 10/9/11 at 1:15pm
    
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post #3 of 7
Thread Starter 
well with mine it runs in a push pull which is perfect, i don't know WHY they made her motherboard mount that way, its so stupid

edit: nvm, with rev 2, they changed the clip system, mine is the to sides, hers is in front and back, why they did that i dont know
Edited by DaMirrorLink - 10/9/11 at 1:20pm
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post #4 of 7
Quote:
Originally Posted by DaMirrorLink View Post
well with mine it runs in a push pull which is perfect, i don't know WHY they made her motherboard mount that way, its so stupid
Yeah..

You could get them to install more fans in the case if you have areas available. By the way, be careful if you are going to overclock on that heatsink, I used to own one and it doesn't do a very good job at all on an overclocked CPU.

My Phenom II reached 70*c once using that so I had to replace the cooler and get a better one.
Edited by Eerazer - 10/9/11 at 1:23pm
    
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post #5 of 7
Airflow doesn't make that big of a difference.
Chips are different also. To be sure you could reseat the cooler?
    
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post #6 of 7
Quote:
Originally Posted by Skiivari View Post
Airflow doesn't make that big of a difference.
Chips are different also. To be sure you could reseat the cooler?
I would try that too, and remember that thermal paste takes a little time to cure properly.

Airflow does make a big difference, so I disagree.
    
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post #7 of 7
Thread Starter 
yea, from what i read it has mx-4 on it, didn't have any extra paste to try a reseat =/
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