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1090T running really, really hot

post #1 of 41
Thread Starter 
Hey there, new guy here

Got a 1090T running 4Ghz on an ASROCK 890FX Deluxe 3, water cooled setup with virtually anything Koolance has to throw at it.
Running 1.40vcore, but in Prime95 the temps slowly rise to 75c(!) and then the PC shuts itself off.
Tried reseating the waterblock, new thermal paste etc, nothing.

Measuring temps with CPUID Hardware Monitor.
The core temps are never above 40c.

I suspect a faulty temp. diode on the MB, anyone else got ideas?
It was running around 65c at stock speeds while air cooled aswell, same MB.
post #2 of 41
Radiator?

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post #3 of 41
Thread Starter 
Thx!

Got an Exos 2.5 pumping out the heat, I can feel the air comming off the radiator being quite warm, pretty sure the thermal contact with the waterblock is perfect.

Quite a fast reply btw
post #4 of 41
Is it possible you're system could be clogged or your pump broken? Your block could also be gunked up with junk.

EDIT: Yea, at OCN you'll usually get a replay within a minute or two.

EDIT: If it is a faulty diode, is there a way to access the onboard one?
Edited by snelan - 8/4/11 at 1:09pm
    
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post #5 of 41
Thread Starter 
Quote:
Originally Posted by snelan View Post
Is it possibly you're system could be clogged or your pump broken? Your block could also be gunked up with junk.
Flow is great, got it cooling two HD6970's aswell, no temp problems here. It's a very fresh install, not even a week old!
post #6 of 41
Quote:
Originally Posted by axnrpr View Post
Flow is great, got it cooling two HD6970's aswell, no temp problems here. It's a very fresh install, not even a week old!
Hmm, and did it used to work fine or was it like this from the first time you turned it on? You might want to try to reseat the CPU and clean the pins.

EDIT: Also, fill out your system specs here.
    
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post #7 of 41
Thread Starter 
Quote:
Originally Posted by snelan View Post
Hmm, and did it used to work fine or was it like this from the first time you turned it on? You might want to try to reseat the CPU and clean the pins.
Ran hot'ish while being air cooled aswell, didn't think of it much back then.
I figure I've either got a bad MB or the worst possible 1090T sample ever
post #8 of 41
..that maybe the issue then, what rad do you have? A triple im guessing. But an amd 6core cpu and two 6970s in the same loop?..might be pushing it a little, also what fans are you running and could be that your blocks are very restrictive, might be too much for the pump.
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post #9 of 41
Quote:
Originally Posted by axnrpr View Post
Ran hot'ish while being air cooled aswell, didn't think of it much back then.
I figure I've either got a bad MB or the worst possible 1090T sample ever
Try this: Set your voltage to something really low like 1v, and set it at like 1GHz. Then you KNOW it will run cooler. If it is still hitting insane temps, I would say faulty sensor.

EDIT: The fact that you were running cooler with the air cooler says it's not the sensor though. You could just have a really concave/convex CPU surface and need to lap it.
    
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post #10 of 41
Thread Starter 
Got a pic of the idle temps, seem quite high all over the line TBH, chipset etc.
It's only about 22c ambient:

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