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WC Loop Critique

post #1 of 16
Thread Starter 
I've made a diagram of what I'm planning on building in the next month. I plan on getting a 680i motherboard, so NB cooling is a strong concern. Some questions I have include:

1) Is the Dual 80mm Radiator necessary?
2) Will this be too much for a D5 pump?
3) Will I need a second loop?
3) How do I go about cooling the South Bridge when the NB/SB block is one heatpipe?
4) How efficient is the DD Stealth Single-pass Radiator?
5) Will two high CFM fans be enough to cool the single radiator?

Thanks for your thoughts/input in advance.

Edit: oops, forgot image.
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post #2 of 16
If you are JUST cooling the northbridge, a dual 80mm will probably be okay but thats chipset is unbelievably hot! If you hae anything else in your loop, you better upgrade. A D5 on full blast is pretty powerful, I dont know what you have in your loop as of now, but unless its 8-9 parts long, its probably fine.

If you look here, this is a way to cool the southbridge. However, it requires another water block: http://www.nvnews.net/vbulletin/showthread.php?t=81189

A single pass radiator is not as efficient as a dual pass, the water only gets one chance to cool off. Go for dual pass.

High CFM fans will probably be okay if your just cooling the NB, but who wants all that noise? Go 120!
    
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post #3 of 16
Thread Starter 
Sorry, here's a better Diagram (bigger) I can't seem to get this image up.
I hope this picture help, lol.

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post #4 of 16
Get a CPU block like the DD RDX so you can run a line off the CPU right to your video card
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post #5 of 16
LOl dude u need photoshop!
my unborn child can draw better haha
no j-k
nice scheme

you could unmount the heatpipe, sell it over ebay for a good price
and install a waterblock on the southbridge

a friend of mine had a similar problem with the heatpipe and somehow he managed to mod the heatpipe and he connected it to his watercooling loop LOL
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post #6 of 16
Thread Starter 
Quote:
Originally Posted by Dillovic View Post
LOl dude u need photoshop!
my unborn child can draw better haha
no j-k
nice scheme
Haha, no thoughts other than that? I have photoshop, but I dunno how to use it.
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post #7 of 16
photoshop is very easy. i learned it when i was 12 or so.
if u want i can teach u some day
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post #8 of 16
Quote:
Originally Posted by PaRaDoX View Post
Get a CPU block like the DD RDX so you can run a line off the CPU right to your video card
I wouldnt do that because you may not have even pressure dissipation and the water wont flow well through the more restrictive block, I think. Because water is an uncompressable fluid, maybe not, but I would just stick with a standard block like the TDX or Apogee.

Next, depending on what parts you have, I would really look towards a larger radiator. The dual 80mm probably fits better into tight spots, but with a little modding, adual 120mm radiator will probably be your best bet. I only say this because (http://www.nvnews.net/vbulletin/show...ht=Dark+Forces) guy is running a 680i chipset with a CPU and single 8800GTX and its almost too much for his dual 120mm radiator (given, he is running low cfm fans).

Just some food for thought. What parts do you own already?
    
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post #9 of 16
Thread Starter 
Quote:
Originally Posted by killnine View Post
I wouldnt do that because you may not have even pressure dissipation and the water wont flow well through the more restrictive block, I think. Because water is an uncompressable fluid, maybe not, but I would just stick with a standard block like the TDX or Apogee.

Next, depending on what parts you have, I would really look towards a larger radiator. The dual 80mm probably fits better into tight spots, but with a little modding, adual 120mm radiator will probably be your best bet. I only say this because (http://www.nvnews.net/vbulletin/show...ht=Dark+Forces) guy is running a 680i chipset with a CPU and single 8800GTX and its almost too much for his dual 120mm radiator (given, he is running low cfm fans).

Just some food for thought. What parts do you own already?
I already have an Apogee, D5 pump, DD Black Ice Xtreme III raidator (triple) - but I think it's too big, so I'm going to sell it, and I plan on buying the siftech GPU blocks with copper RAM sinks. I remember reading that sinlge pass radiators are better than dual pass (I guess they meant for less restriction). I also still need to get the NB/SB blocks, though I may not watercool the SB.
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post #10 of 16
Well, you may not have much of a choice with the southbridge. I believe DD just started selling 680i waterblocks, though. Everything looks awesome, and that triple rad would be really nice (performance wise). Otherwise, shoot for a dual 120mm like the new Black Ice GTS stealth or GTX extreme. Maybe a dual in back and a single in front would assure a cool loop.

The D5 should be plenty powerful for that setup and try and use 1/2" fittings (I assume you are already). The Apogee isn't too restrictive and the swiftechs are alright blocks, those are not super restrictive either (so I am led to believe). The North and South bridges will be super restrictive, but such is life, right? The two radiators shouldn't add TOO much restriction to the loop, but I dont know for sure. Personally, I think you would be fine.
    
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