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Does Northbridge affect OC?

post #1 of 17
Thread Starter 
I've noticed my mobo's Northbridge getting really hot with the stock heatsink on it. Is this a factor that limits my overall stability and overclock? Should I get a better heatsink for it or should I not worry about it? Thanks.
post #2 of 17
Yes, your FSB (Front Side Bus) is the link between your CPU and your North Bridge so when you overclock that FSB you are overclocking the North Bridge, if it's getting hot then get a nicer cooler for it.
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post #3 of 17
Quote:
Originally Posted by wudaddy
I've noticed my mobo's Northbridge getting really hot with the stock heatsink on it. Is this a factor that limits my overall stability and overclock? Should I get a better heatsink for it or should I not worry about it? Thanks.
Absolutley.

Cooler northbridge's allow much better overclock.

It's very important.
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post #4 of 17
Yes the temp of the nb will definately affect the stability of your oc and can even help you achieve a higher oc, lapping and resrseating the nb heatsink would be beneficial all around
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post #5 of 17
My NB was overheating with the stock cooler and kept setting off the BIOS alarm. So I took a Thermalright NB-1 I had laying around and put that on and it lowered my NB temps by more than 10C. That allowed me to run 4GHz even during the summer.
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post #6 of 17
Thread Starter 
Oh okay, didn't know that. I guess I learn something new everyday. Thanks guys! I'll be in the market for a new northbridge heatsink. Any cheap recommendations?

Edit: I have an old P3 CPU heatsink and a stock P4 heatsink laying around. Would those work with northbridge? If so, how would I go around putting them on?
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post #8 of 17
There is one on Newegg (Coolermaster) that is like $6 or $7 and it works really well and is quiet and has blue LEDs, best of all it just uses thermal tape to stick onto your northbridge so it takes 2 seconds to install, no screws or thermal paste to mess with.
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post #9 of 17
Quote:
Originally Posted by wudaddy
I have an old P3 CPU heatsink and a stock P4 heatsink laying around. Would those work with northbridge? If so, how would I go around putting them on?
That's a great idea wudaddy! I've got a stock P4 heatsink with a fan attached to it that would do the trick just fine, but I'm a-miss as to how I'd go about attaching it...I guess you could use some thermal glue, but judging by the weight of this thing I doubt that would be very stable...If anyone's got any ideas, let's hear 'em!

**************EDIT*************

After checking my mobo, turns out that the p4 heat sink is way too big! Any other suggestions on a good NorthBridge cooler?
    
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post #10 of 17
Thread Starter 
LOL, guys, I got desperate and could not find any thermal glue, so I super-glued the P3 heatsink (without fan) onto the northbridge. I don't really care about this mobo anyways, so what happens goes. I am able to stay stable at 50mhz more overclock haha. Also, I superglued a copper heatsink (from the stock 6800gs heatsink) onto the side of my XP90 CPU cooler. It runs 3 degrees cooler now. Wow I love super glue.
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