Overheating please help

E

Ed Medlin

Depends on where the case temp sensor point is.
People tend to put them smack dab in the middle of a nice large open area
figuring 'dead center' of the case is good 'case temp' but that's not
where potential heat problems will be. Really need to take multiple
readings at all the places where temp matters.

I move it around until I find where the case temp is highest without having
it too close to any heat-generating components since I want case temps and
not component temps at this point.

Could be. I can't tell without a visual but I'd suggest it probably
eliminated most of the PSU fan's usefulness to case cooling, and the rear
fan to some degree as well, by letting it pull from the blow hole rather
than the case interior and the front vent.

You are most likely correct. After some stress tests I do see a max of 60c
(which is about normal for these). I have tried CPU Burn and looping 3dmark
'05. Strange thing is that the temps never change at all from the 3g stock
speed to 3.6g overclocked. Idle and max are always identical. At 3.6 no core
voltage increases are needed either. I have increased the core a few steps
just to see what happens to the temps, but even then I see no appreciable
changes (2degC max stressed) and no change at all as far as case temps which
have now gone down to 30C with the airflow changes. Thanks for saving me
some time. Always appreciated.

Ed
 
D

David Maynard

Ed said:
I move it around until I find where the case temp is highest without having
it too close to any heat-generating components since I want case temps and
not component temps at this point.

Well, if you want 'free air' temp then that's probably decent enough but
the heatsink fan inlet is certainly near a 'heat generating component' ;)
You are most likely correct. After some stress tests I do see a max of 60c
(which is about normal for these). I have tried CPU Burn and looping 3dmark
'05. Strange thing is that the temps never change at all from the 3g stock
speed to 3.6g overclocked. Idle and max are always identical.

Temp where?
At 3.6 no core
voltage increases are needed either. I have increased the core a few steps
just to see what happens to the temps, but even then I see no appreciable
changes (2degC max stressed) and no change at all as far as case temps which
have now gone down to 30C with the airflow changes.

I usually figure a 6C rise is about the best one can expect without going
to extremes so 30C is a quite decent case temp, assuming your ambient is
24C or so.

I'm not surprised you don't see a case temp change, though. A 20% overclock
just isn't enough more heat, relative to everything else in there, to show up.
 
E

Ed Medlin

David Maynard said:
Well, if you want 'free air' temp then that's probably decent enough but
the heatsink fan inlet is certainly near a 'heat generating component' ;)


Temp where?

CPU, MB or case.
I usually figure a 6C rise is about the best one can expect without going
to extremes so 30C is a quite decent case temp, assuming your ambient is
24C or so.

70f so bout right.
I'm not surprised you don't see a case temp change, though. A 20%
overclock just isn't enough more heat, relative to everything else in
there, to show up.

Yea......3g to 3.6 is not a lot. I am experimenting higher now.
 
D

Doug Warner

http://www.dr-mother.com.ar/archivos/atxtds1.pdf

It can get complicated.
Case material doesn't matter, It's the airflow that takes the heat
out. Convection through the walls of the box is unimportant, unless
you're trying to build a totally-sealed system.




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