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Cooler master 212 plus on a Phenom II x4 920

post #1 of 8
Thread Starter 
Installed this in hoped to try some over clocking, perhaps I dont have the thermal paste on right.

But I noticed after installing some cool temperatures that kept rising, its on stock right now but idling between 43-46c to me thats still high as the stock fan idle was 48-51c

What should the air flow be on this? which way does the fan that comes with the Heat sink blow?

currently I got the Heat sink fan facing toward the power supply, the power supply is an intake exhaust, theirs another fan in the back of the CPU that is as bad as the heat sink fan, its also an exhaust fan but doubtful it is doing anything much, theirs also a side case small fan that is an intake.

I swapped the heat sink fan from bottom to top toward the PSU in hopes of better performance but no luck really.

As I had the case open I was getting lower temperatures down to 42c at least, it seems the HSF is pretty secure to the motherboard, although it moves around still, I dont know if I need a new application of paste or what, I ended up using the cooler master paste that it came with, I got some dynex laying around also, it did pretty good job on the stock HSF I had.

anything over 40c IMO is not acceptable for a 212 plus on a quad core.
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post #2 of 8
The stock fan on the HSF is in a "push" meaning that the fan blows air through the hsf, putting one more on it in a pull, would help also. What are your temps. in your room, as this will affect the overall temp of the system as well. I have 3 intake, and 3 exhaust fans in my case as well as a push,pull setup on the hsf and am averaging 33c idle and high 60'sc under load. (Prime95). I also have AS5 on mine.
 
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post #3 of 8
You probably need to pull the heat sink, clean it, re-apply TIM, and try again. You should be getting much cooler temps. I put a 212 on a 965BE a while back and at stock, IIRC, temps where in the upper 20's at idle at warm ambient conditions.

What do you mean by heat sink fan facing toward the PSU? What do you mean by PSU is an intake exhaust? That does not make any sense.

Your best bet is probably to have the fan blowing through the heat sink and directly into the back exhaust fan.
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post #4 of 8
What are your ambient temps? I'm using the CM 212 and my idle temps are around 32c with ambient temps around 23c. I'm running a Phenom II 965.

I would try re-installing the 212, and have it blow the air onto the rear exhaust fan. It would like this, the red arrow shows the air direction:
1zvvhvd.jpg
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post #5 of 8
Thread Starter 
The thing is the M4A785M Motherboard is built where when I install the 212 I can only put the fan at the top or bottom.

So far I took off and put back on the 212 as I fixed the thermal paste on it, I spread it out even where as before I had put a gob in the middle. I dont know the requirements to spread this or apply it on this type of HSF, but I did exactly what I did last time in order to get 4-5 degree decrease in temp on the stock fan.

When I have my case open after doing that, I was reaching between 38c-41c, I shut the case and get 44-46c. I should have enough circulation in this case, I got 1 fan on the Heat sink thats intaking air, the side case fan is intaking air and the side case fan is just below the Heat Sink Fan that is intaking it, I put an exhaust fan on the top of the heat sink to blow out, its blowing out although not directly under the PSU where exhaust fan is on the PSU, their is also an exhaust (small one) at the back of the case that is centered between the 2 fans on the heat sink.
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Empire II
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post #6 of 8
the 212+ can mount either direction
take off the hsf, remove the x bracket, open it the other way, put it back thru the hsf, open it again and reinstall

clean up all the heatsink compound
when reinstalling use 3 linse between the heat pipes
post #7 of 8
Thread Starter 
Ill redo it and post back with the results.
Empire II
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Empire II
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post #8 of 8
Thread Starter 
So far corrected that problem. the intake is facing toward the front of the PC intaking air, so it should be exhausting it through the small back exhaust fan and the PSU fan.

I also got a large intake fan in the front, small one on the side.

So far the temperatures at idle is about 35-39c

I think it went down to 34c while case was open. Still seems high, I dont know though.

I am running core temp, should the temperatures fluctuate so much though between 36-39 back and forth and is it normal?

what types of background running programs will cause higher temp hike?
Edited by vrillon - 10/5/11 at 9:22pm
Empire II
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Empire II
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CPUMotherboardGraphicsRAM
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Hard DriveOSMonitorKeyboard
WD Raptor 10000 RPM 74gb Windows 7 Ultimate 64 bit 22 inch 1080p TV Razer Lycosa 
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