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High CPU temps - trouble shooting. 63C 1090T

post #1 of 29
Thread Starter 
Hi all,

Having some seriously high CPU temps. Trying to diagnose the problem.


I'm running my 1090T @ 4.2GHZ. I set vcore to 1.475. According to CPUID Hardware Monitor the current CPU vore is 1.52V. After 15 minutes of running prime temperatures hit 63C at which point I turned off prime.

This is the loop.

Hk Supreme CPU Block ---> 240 Black ICE (2x Scythe 1800 PRM) ---> Asus Crosshair EK water block ---> Radeon 6990 full cover waterblock ---> 120 Black Ice Extreme GTX ----> MCW 80 6950 GPU water block --- > 2x DDC1 serial w/ res ---> CPU Block.


Do I have enough rad? Are my fans good enough to push through the GTX 120? Or is there something wrong with my CPU block?

The 6990 idle temps are currently 49C 1st GPU, 44C 2nd GPU. The 6950 is 35C.

Ambient temperatures are 70F(20C). I currently have the side of the case open.

Thanks for your help!

EDIT: Installed a 360 GTX. See page 3 for updates.
Edited by Intangible - 4/24/11 at 9:01am
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post #2 of 29
Touch the tubes and see if they're too hot while your CPU is hitting 63ºC.

I think those rads may not be enough for such a powerful setup...

I'd choose at least a 240mm + 360mm rads. But I think your 240 + 120 are definitely not enough.

Also, you didn't mention this, do you have any fans on your 120 rad?

Not to mention your 6990 idle temps are quite high actually

Edit:

That 240 Rad would be enough for just the 1055T, but adding anything else is a no go.

I think you should consider getting a 360 to add to that 240 rad.
Edited by kcuestag - 4/15/11 at 2:23am
    
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post #3 of 29
Thread Starter 
Quote:
Originally Posted by kcuestag View Post
Touch the tubes and see if they're too hot while your CPU is hitting 63ºC.

I think those rads may not be enough for such a powerful setup...

I'd choose at least a 240mm + 360mm rads. But I think your 240 + 120 are definitely not enough.

Also, you didn't mention this, do you have any fans on your 120 rad?

Not to mention your 6990 idle temps are quite high actually

Edit:

That 240 Rad would be enough for just the 1055T, but adding anything else is a no go.

I think you should consider getting a 360 to add to that 240 rad.
2 posts ? I feel special. Thanks.

There is a single scythe gentle typhoon on the 120 GTX rad. I could easily add a 2nd for a push/pull setup on the 120. I think this may be needed as the GTX is a very thick rad compared to the 240.

I can fit a 200MM phobya up front. Anything bigger will probably have to be external.

The 6990 may have higher temps because I'm running a 2nd monitor on my TV currently. Temps are back down to 43C. So it looks like the temp raised from 43C to 49C when the CPU was under stress on prime.
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post #4 of 29
Oh alright, 2nd monitor causes the 2D clocks to raise a bit, so then it could be normal, but still a little bit high.

I'd try running all your rads on push/pull setup, it should improve a lot.
    
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post #5 of 29
I'd check your CPU TIM to be honest, my rig (see sig) runs a Black Ice GTX 240 for CPU and a single GTX 120 for GPU, I don't get temperatures over 45C on the CPU at any load. I'm also using Scythe fans like you, but I am on Kaze Jyuni 1900's, my rig is also dual-loop, as I don't like sharing CPU and GPU on a single loop.

Also, the GTX rads can be hard to bleed out, as they are so thick you can easily get an airlock in the top and only be using maybe half of the core.

Good luck
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post #6 of 29
Thread Starter 
Quote:
Originally Posted by dan0h View Post
I'd check your CPU TIM to be honest, my rig (see sig) runs a Black Ice GTX 240 for CPU and a single GTX 120 for GPU, I don't get temperatures over 45C on the CPU at any load. I'm also using Scythe fans like you, but I am on Kaze Jyuni 1900's, my rig is also dual-loop, as I don't like sharing CPU and GPU on a single loop.

Also, the GTX rads can be hard to bleed out, as they are so thick you can easily get an airlock in the top and only be using maybe half of the core.

Good luck
Hmm. I've reset the CPU block twice. Also your fans have roughly 25 CFM per fan more then mine. So that could be a difference. And my 240MM is a black ice GT. My GTX 240 wouldn't fit.

I'll try rotating the rig etc to shake some air out.
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post #7 of 29
Quote:
Originally Posted by kcuestag View Post
Touch the tubes and see if they're too hot while your CPU is hitting 63ºC.

I think those rads may not be enough for such a powerful setup...

I'd choose at least a 240mm + 360mm rads. But I think your 240 + 120 are definitely not enough.

Also, you didn't mention this, do you have any fans on your 120 rad?

Not to mention your 6990 idle temps are quite high actually

Edit:

That 240 Rad would be enough for just the 1055T, but adding anything else is a no go.

I think you should consider getting a 360 to add to that 240 rad.
I think you are on track kcuestag. Your heat load is very much too high for your rads. Looks like you will have to find a way to get some combination for a total of 4 X 120 radiator area. Also, adding a fan to the single 120 will only gain you a few degrees at best.
Edited by MoCo Man - 4/15/11 at 3:15am
    
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post #8 of 29
I would suggest getting another a 360 rad to be on pair with the 240 rad, I'm sure there's ur problem.
    
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post #9 of 29
Thread Starter 
Quote:
Originally Posted by kcuestag View Post
I would suggest getting another a 360 rad to be on pair with the 240 rad, I'm sure there's ur problem.
What do you think about a 200mm Phobya ?

http://www.frozencpu.com/products/12...Yate_Loon.html

Link added!
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post #10 of 29
I'd rather have a another 240MM rad than that.

You really want to have a 360 rad with ur 240 rad, that would be perfect combo and will keep your GPU's cool and ur CPU too
    
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