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Watts of heat given off by northbridge on 680i

post #1 of 5
Thread Starter 
Hey everyone,

I was wondering if any of you had some heat dissipation numbers for the 680i northbridge. I have the eVGA A1 version of the 680i SLI motherboard. I'm looking for specific wattages of heat produced when the computer is idle, under load, at stock voltages, and at max voltages (CPU about 1.5, FSB about 1.5, SPP about 1.5). I know the NB can get very hot especially when the CPU is significantly overclocked.

Anyways, the reason I'm asking is that I'm planning on making a custom cooling system for the CPU involving TECs in parallel. In order to fit on the motherboard, the cold plate is going to have to overlap the northbridge completely, so I figured I could just work it out to cool the CPU and NB at the same time. In order to figure out if this is feasible and to determine how many / what wattage TECs I need, I really need the watts of heat produced by the NB.

I know these may not be easy numbers to come by (unless I'm awfully bad at Googling, heh) so reasonable estimations would be appreciated. No wild guesses, please. Thanks guys!

Oh P.S. this may sound sort of ridiculous, but the black boxes up near the CPU that say R50 (I think they're resistors)... is it possible to remove those? Like, are they heat sinks to a component underneath, or are they a component themselves? I appreciate the help.
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post #2 of 5
I believe the TDP is like 50-70w.

Those black boxes are your voltage regulators. You can remove them but your CPU will get fried or not get any power. You probably want your CPU to work in that motherboard.
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post #3 of 5
Dont remove those, or the black heatsinks over the chips up there. I removed them off my friends board because of his heatsink and after hours of stress testing, the board would not boot up again after we restarted the next day LOL.
This is in response to those coolers not the watts and heat of the NB.
I do know however every 680i board i have dealt with i always remove the NB heatsink and clean up the TIM on there produced by the factory because there is always too much. I have read that by overclocking the FSB and cpu, and NOT doing that results in frying the chipset and bus's between that and the memory. ( i may be hazy on this ). Or not allowing a high OC. This i have read from forums and is heirsay.
post #4 of 5
Quote:
Originally Posted by DuckieHo View Post

Those black boxes are your voltage regulators.
Okay voltage regulators. Yessir... Do not remove.
post #5 of 5
Thread Starter 
Quote:
Originally Posted by DuckieHo View Post
I believe the TDP is like 50-70w.
Great, that's what I needed to know. Thanks a lot, +rep.

Quote:
Originally Posted by DuckieHo View Post
Those black boxes are your voltage regulators. You can remove them but your CPU will get fried or not get any power. You probably want your CPU to work in that motherboard.
Yeah... I think I'll keep them on there. Seem pretty important, haha.

Quote:
Originally Posted by Arakasi View Post
Dont remove those, or the black heatsinks over the chips up there. I removed them off my friends board because of his heatsink and after hours of stress testing, the board would not boot up again after we restarted the next day LOL.
Yeah, I knew about the black MOSFET coolers because I've actually replaced those with some ramsinks... I've read the stock ones are pretty crummy. I just wasn't sure what the R50 blocks were. Thanks guys!
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Corsair P3-64 SSD Windows 7 Chimei 221D-NBC 22" LCD Thermaltake TR2 RX 850W 
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