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post #31 of 41
Is that temp with still just the one 120 mm rad ?
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post #32 of 41
tldr;
120mm is too small
water temps dont change much from components, the system reaches an equilibrium.
I run my chip at 1.4v and i get 65-70c with a graphics card folding, your temps i could live with.
post #33 of 41
Thread Starter 
Quote:
Originally Posted by martinhal View Post

Is that temp with still just the one 120 mm rad ?
Yeah it is, but if everything falls into place today I might have a 360MM rad by the end of the day. smile.gif
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post #34 of 41
Quote:
Originally Posted by cam51037 View Post

Yeah it is, but if everything falls into place today I might have a 360MM rad by the end of the day. smile.gif

thumb.gif

With a 360 radiator, if you are now pulling 65C before, I predict you will pull 47C after.
post #35 of 41
Thread Starter 
Quote:
Originally Posted by 47 Knucklehead View Post

thumb.gif

With a 360 radiator, if you are now pulling 65C before, I predict you will pull 47C after.
That would be awesome. smile.gif
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post #36 of 41
Where you water cooling to GPU too ?
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post #37 of 41
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Quote:
Originally Posted by martinhal View Post

Where you water cooling to GPU too ?
Yeah, the GTX 260 is under water as well.
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post #38 of 41
Quote:
Originally Posted by ploppercon View Post

Well its because your Gpu is getting fresh cool water and your cpu is getting the warm water from your gpu. I'd suggest another rad between your gpu and cpu. Those temps aren't bad, though. :\

I think it's already been clarified many times that loop order has little impact on temperature. Because the flow is fast enough to circumvent any hot spots within the rig, so the water throughout the loop is at a mostly consistent temperature.

If anything, this is probably down to:

1. CPU block being restrictive - either through design or debris within the block, ie: clean it, or get a better one.

2. CPU outputs more heat, unlikely though in your circumstance./

3. The blocks poorly mounted, but i gather you've already checked this.
post #39 of 41
Thread Starter 
Quote:
Originally Posted by Thingamajig View Post

I think it's already been clarified many times that loop order has little impact on temperature. Because the flow is fast enough to circumvent any hot spots within the rig, so the water throughout the loop is at a mostly consistent temperature.

If anything, this is probably down to:

1. CPU block being restrictive - either through design or debris within the block, ie: clean it, or get a better one.

2. CPU outputs more heat, unlikely though in your circumstance./

3. The blocks poorly mounted, but i gather you've already checked this.
I think that the reason the CPU is running at 65C now, down from 81C is because I dropped the voltage by 0.4V.

The only problem now is that once I run a Prime95 test and then stop it, the loop has trouble getting rid of the heat, as in the CPU idles 45-50C, while the heat is slowly dispersed. Hopefully a bigger radiator will help get rid of the heat quicker.
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post #40 of 41
Quote:
Originally Posted by cam51037 View Post

I think that the reason the CPU is running at 65C now, down from 81C is because I dropped the voltage by 0.4V.

The only problem now is that once I run a Prime95 test and then stop it, the loop has trouble getting rid of the heat, as in the CPU idles 45-50C, while the heat is slowly dispersed. Hopefully a bigger radiator will help get rid of the heat quicker.

Have you checked if there's any restriction in the block?

Also, whats the GPU's temps while this goes on? Does it also increase dramatically? My rig has a custom loop that cools both GPU and CPU, and when i had a CPU block restriction, temps increased on both noticeably.

To me, it sounds as though you've potentially got a restriction somewhere, new radiators will help, but won't address the real issue. This is an issue i've experienced numerous times on Umbra (Sig rig), and it was always down to the same thing; crud buildup within the CPU block.

It also doesn't help that i run an old inefficient architecture (LGA775, QX6700), but it still suits my needs fine.

I'd run Furmark or Kombustor on my GPU if i were you, see what it reports. If it's abnormally high, then i'd wager there's something blocking the system.
Edited by Thingamajig - 4/6/13 at 10:11am
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