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NB water cooling really worth it on 680i? - Page 2

post #11 of 21
Thread Starter 
Quote:
Originally Posted by Martinm210 View Post
Have to admit the thermalright is overkill for the south bridge, it doesn't even get warm. NB on the other had does make use of the cooler, but I wouldn't go water with it, just extra heat in you'r loop.
Thank you for the various options. That's a massive drop in temp which demonstrates the need for active cooling on the NB. I wonder if the big drop was as a result of the 80mm fan? Hopefully the smaller Tt or Tr units will have a similar result when it is pointing directly down on the NB.

My SB is warm to the touch but not boiling like the NB. I would have liked to put something on it but my third video card covers it up completely. Do you know of anything that would bend around the video card that sits over top of the SB?
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post #12 of 21
Thread Starter 
What about the mosfets on the 680i. Are the stock units worth replacing? I see the Thermalright ones don't really fit properly on my board and wonder if they are in fact any better?
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post #13 of 21
That would depend on how far you intend to overclock your system, if at all.

Most peeps I've seen on here use either a waterblock ( thus putting more restriction on your loop ) or a set of individual heatsinks ( that would require some air movement to be effective.)


Air - http://www.petrastechshop.com/enbmpufocora.html


Water - http://www.performance-pcs.com/catal...ndex&cPath=241

Just examples, but you may find what you're looking for.
post #14 of 21
Thread Starter 
Quote:
Originally Posted by CrazyJoe View Post
That would depend on how far you intend to overclock your system, if at all.

Most peeps I've seen on here use either a waterblock ( thus putting more restriction on your loop ) or a set of individual heatsinks ( that would require some air movement to be effective.)


Air - http://www.petrastechshop.com/enbmpufocora.html


Water - http://www.performance-pcs.com/catal...ndex&cPath=241

Just examples, but you may find what you're looking for.
Thank you for the additional examples - pretty inexpensive for an additional level of heat protection.
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post #15 of 21
Glad to help where I can ... lord knows the peeps around here are always giving out great advice to me ... I'm just hoping I can do the same for others.
post #16 of 21
Quote:
Originally Posted by mhw100 View Post
Do you know of anything that would bend around the video card that sits over top of the SB?
Yeah the HR-05 SLI can that I have, although they are fairly big you could probably get one in between all three slots if run passively.

Kind of hard to see here with my Tline and pump in the way, but you can see how much offset ability they have:



But I think you probably have even more flexibility with this one because the heatpipe slides in the base:
http://www.sidewindercomputers.com/chchcojt.html
    
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post #17 of 21
Thread Starter 
Quote:
Originally Posted by Martinm210 View Post
Yeah the HR-05 SLI can that I have, although they are fairly big you could probably get one in between all three slots if run passively.

Kind of hard to see here with my Tline and pump in the way, but you can see how much offset ability they have:

But I think you probably have even more flexibility with this one because the heatpipe slides in the base:
Thank you for the help. Looks like a nice setup. That third video card in my setup is the killer because I think either of these units are too fat to sit in the space between the cards.

Mind you, these things are so cheap I must just as well order one and throw it in the closet if it doesn' t work.
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post #18 of 21
If you have a watercooling loop already, you should definately water cool the NB. If you don't, stick with air cooling. It is as simple as that.
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post #19 of 21
Thread Starter 
Quote:
Originally Posted by pauldovi View Post
If you have a watercooling loop already, you should definately water cool the NB. If you don't, stick with air cooling. It is as simple as that.
That's sounds like a very strong opinion. Is it because you can't get a big OC without the NB cooled? I'm not looking for the moon, maybe 3.7ghz. It already runs Windows stable at 3.6ghz but not orthos...and I don't seem to have to crank up the volts which are at ~1.36v on the NB, 1.4v for the core. Would this change your opinion to be able to keep the NB on air?

If not, do you recommend it to be on a different loop?
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post #20 of 21
Quote:
Originally Posted by mhw100 View Post
That's sounds like a very strong opinion. Is it because you can't get a big OC without the NB cooled? I'm not looking for the moon, maybe 3.7ghz. It already runs Windows stable at 3.6ghz but not orthos...and I don't seem to have to crank up the volts which are at ~1.36v on the NB, 1.4v for the core. Would this change your opinion to be able to keep the NB on air?

If not, do you recommend it to be on a different loop?
Well, I have several reasons for my strong opinion:
  1. Core 2 Duo are bandwidth hungry and are limited by the the northbridge. A Core 2 Duo can go much farther then most P965 / 975X / 680i motherboard will take it. Therefore, with the NB being stretched to the limit, most instability issues are caused by the northbridge and not the processor / memory. The NB will get very hot during these situations.
  2. Good NB air heatsinks cost the same as good watercooling blocks. If you already have the WC loop, why not spend the same money and get better stability / temperatures / performance?
  3. Northbridge produce anywhere from 15-20 watts stock. This will not significantly affect you watercooling loop, providing it was well designed.
Depending on your current loop. However, it is highly improbable that your loop cannot handle it. A 240mm radiator with good air flow can handle a CPU / NB / video card.
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