Cooling my NB, new heatsink or add a fan?

Sabre66

Sabre66

Sabre66

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15 Jan 2010
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Location
Clare, Ireland
Hey everyone,
Iv been doing some overclocking and am worried about my NB getting a bit too hot since when I put my fingers on the passive aluminium heatsink it seems a bit hot and its uncomfortable to leave my fingers there for longer than a few seconds.
Here's what it looks like.
LL


I was thinking of fitting a small 40mm fan to it with cable ties but would it nearly be better to replace it with a better heatsink?

Thanks
Daniel
 
Passive heatsinks do get hot. Is the northbridge or any of te other motherboard temperatures too high or something as a result?

Is that nearby radiator blowing warm air over it as well? Have you got your Corsair H series fan blowing into the case?
 
Tealc said:
Is that nearby radiator blowing warm air over it as well? Have you got your Corsair H series fan blowing into the case?
Click to expand...

Ya thats the H50 and its blowing the air into the case but thats vented then straight away through the top of the case through 2 140mm fans. Iv also got another 120mm fan blowing in air on the side and 1 120mm up the front intakeing air. The case is an NZXT M59.

The cpu never goes over 50 and then there's this other tempearture which is called "Chipset" or "motherboard temperature" which I presume is the northbridge and that never gets over 40, its usually always in the mid 30s. Would the NB heatsink still be quite warm at that temperature, since its taking the heat away from the Chipset? Is that right?
 
40s is fine. The heatsink will be cooler than the source of heat, otherwise it wouldn't work.

I wouldn't bother adding anything to it. All you'd be doing is creating more noise and spoiling the direction of airflow you have.
 
Ya that cooler looks perfect, bit more than I wanted to spend but it will probably perform better. I could probably mount it to the H50's radiator since it has mounting holes for another optional 120mm fan that I dont have. Thanks for that link I'll get one of those the next time I order a few things from Overclockers :)
 
Tealc said:
40s is fine. The heatsink will be cooler than the source of heat, otherwise it wouldn't work.

I wouldn't bother adding anything to it. All you'd be doing is creating more noise and spoiling the direction of airflow you have.
Click to expand...

So when the temperature is 30C or 40C why would the heatsink still feel a lot hotter, If I leave my finger there for more than a few seconds it starts to hurt. Is there any chance that the motherboard is reading the temperature wrong?
 
my nb heatsink is also hot too tuch,always been like it since i noticed it maybe 2 years ago
ps its been o/c also
never had any problems
 
kevbiss1 said:
my nb heatsink is also hot too tuch,always been like it since i noticed it maybe 2 years ago
ps its been o/c also
never had any problems
Click to expand...

How high of a temperature can these nvidia chipstes take then? Also another thing I noticed when running Prime95 or OCCT the temperature will stay in the 30's and still feel quite hot but while gaming it goes up to the mid 40's. Do Prime95 and OCCT not stress the motherboard chipset then?
 
The actual measured part of the chip may only be 30s or 40s but the actual temperature of the surface of the chip may be significantly higher. Depending on what's inside these chips determines their thermal limits. It's not unheard of to have ICs capable of running at 150 degrees C. I'm not saying your northbridge can go that high but it's just to illustrate that even though its hot it's probably well within safe temperature levels. If the cooling of the component were close to limits it's likely that they would have fitted a beefier heatsink or a small fan to it anyway to prevent people frying their motherboards and raising RMAs and complaining about their boards.
 
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Tealc said:
If the cooling of the component were close to limits it's likely that they would have fitted a beefier heatsink or a small fan to it anyway to prevent people frying their motherboards and raising RMAs and complaining about their boards.
Click to expand...

Ya that would make sense, one thing I want to do and was wondering whether it would still be within safe limits is increse my Chipset Voltage to see if I can increase stability on my Overclock. The voltage can only be increased in set values though and at the moment Its at 1.23V and the next value would be 1.36V. The highest setting is 1.48V so I thinking it might be alright to try 1.36V, what do you think?
 
I wouldn't like to say, especially as you haven't actually mentioned what motherboard it is and what you are overclocking.
 
O ya sorry forgot to mention that.
Its an Asrock N7AD-Sli Motherboard and I have a Intel Q9650 at 3.6ghz at the moment. Its passed most tests, just havent got it to pass Prime95 Blend using 6GB of ram since it usually freezes the computer after 1 hour. It works perfectly for most things though and so far hasnt crashed on anything like gaming and iv usually played for several hours.
The rest of my Voltages are
Vcore: 1.2825V
Chipset: 1.23V
Dram: 1.95V
VTT: 1.25
GTLRef: Middle

Iv tried putting the Vcore up to 1.35V and that hasnt helped anything so its not that.
Over the last week iv been getting help with my overclock on Overclock.net and Its stabe enough so far and only Blend has failed on me so soon. The Chipset Voltage is the only thing I havent changed since the Chipset felt hot but since its only reading at most in the mid 40s it might be an idea to increase it a bit to see if it gets the syestem any more stability.
 
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