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I have this board for over a year now and i want better cooling on the northbridge. Is it wise to change the thermalpaste on it? Will i need new thermalpads for the MOSFETS? Anything else?
Im not doing the SB as that isnt connected to the other two with a pipe. I'll try to do it tomorow. It shouldn't be more dangerous than redoing a graphics card thats also bare chip.
I've done it twice on my Gigabyte 9800GTX, used MX2, the 2nd time i evened out the base of the cooler a bit and compared to stock i lowered the temp by like 10 deg celsious in best case scenario.
What worries me is that i've read horror stories about the standard thermalpaste turning into superglue (wha?!) and sometimes the NB coming out with the Heatsink?! Don't really think thats possible my self.
I think that used to happen more in the past then now, but yes I have heard of that too.
The paste Gigabyte uses is not that hard though, you will be fine. If you worry, heat up the board from the back with a hair dryer and that should loosen it up a little bit
On my board the NB TIM was more of a wax based material. It was easy to remove. I used some TIM clean on the actual chip and had to scrape the TIM off the NB cooler first as it was thickest there.
As always, use plastic to scrape TIM from a HS if needed as metal may gouge the surface and lower the cooling efficiency.
The heatsink was easy to remove though> I ran the PC for ~ 15 minutes with Prime Large FFT going out of the case, then powered off and quicklt removed the NB screws. Replacing it with MX-2 went well. I used the spreading method as with all bare chips. Because there's no metal heat spreader on them the whole bare core needs coverage.
Likely the MOSFET and SB coolers are using some sort of pad rather than TIM. On the UD3P the pads remained well stuck to the heatsink but just lifted off the components as the adhesive is only on one side. The sinks went back on with no problems at all.
Coolermaster CM 690 II advance Case Corsair HX750(CWT, 91%(80+ Gold rated @230V) single 62A 12V rail P55A-UD4 v2.0 @ F14 Core i5 760 @ 20 x 201, 4.02GHz TRUE Black with a single Noctua NF-P12pumping out 55 CFM @ 19db. 2 x 2GB Mushkin Ridgeback (996902), @ 7-10-8-27, 2010-DDR, 1.66v 2 x Gigabyte GTX 460 1024MB in SLI (Pre OC'd to 715MHz core and 1800MHz VRAM) @ 850 Core / 4100 Mem. Intel X25-M Boot Drive (OS and Programs) 200MB/s Read & 90MB/s Write Corsair X32 200MB/s Read & 100MB/s Write WD Caviar Blue 640GBC (Steam, Games, Storage, Temp Files & Folders, etc) Samsung F3 500GB Backup/Images Noctua 1300RPM 19dBcase fan (rear extraction) 3 x 140 MM Coolermaster LED fans (one front intake, one top extraction, one side intake) Dell Ultra Sharp 2209WAf E-IPS @ 1680x1050
All right, tomorow im taking the PC appart just for this, it better work! I use 70 or 90% Alchocol to clean thermal paste, it cleans it pretty good.
What made me do this is that i constantly see voltages for 4GB of RAM for the NB on like +0.2V and higher. Well i don't have any problems till 3.8GHz even on +0.125V, but on higher speeds the NB heatsink heats up pretty much and i can only hold a finger on it for about 7 sec really, so this wil surely help on higher FSB aswell.
I had trouble using timclean on the thickest TIM on the heatsink itself as it was very waxy, almost solid and crumbly. You may have different paste on your board though.
If the MB gets extremely hot then uprating the thermal paste won't hurt but it probably won't help much. the time to be worried is if the heat sink is stone cold but thetemp readings are high. This is the situation where someone may need to re-do their TIM.
It won't hurt to change it though. Let us know how you get on.
Coolermaster CM 690 II advance Case Corsair HX750(CWT, 91%(80+ Gold rated @230V) single 62A 12V rail P55A-UD4 v2.0 @ F14 Core i5 760 @ 20 x 201, 4.02GHz TRUE Black with a single Noctua NF-P12pumping out 55 CFM @ 19db. 2 x 2GB Mushkin Ridgeback (996902), @ 7-10-8-27, 2010-DDR, 1.66v 2 x Gigabyte GTX 460 1024MB in SLI (Pre OC'd to 715MHz core and 1800MHz VRAM) @ 850 Core / 4100 Mem. Intel X25-M Boot Drive (OS and Programs) 200MB/s Read & 90MB/s Write Corsair X32 200MB/s Read & 100MB/s Write WD Caviar Blue 640GBC (Steam, Games, Storage, Temp Files & Folders, etc) Samsung F3 500GB Backup/Images Noctua 1300RPM 19dBcase fan (rear extraction) 3 x 140 MM Coolermaster LED fans (one front intake, one top extraction, one side intake) Dell Ultra Sharp 2209WAf E-IPS @ 1680x1050
Well I bet you will be able to touch it longer, that will give you some indication. But ya to be exact you would need a sensor into the heatsink or directly beside the chip
Thermaltake Extreme Spirit II works great for a NB Cooler and it is a decent price ($18-20), but you would need to buy something for your Mosfets if you used one of those
Ya a 40-60mm fan will help alot, you'd be surprised!
MB Sensor is the PCB Near the NB and is Very close to what the actual NB Temps are. Here is some testing Kick did with P45 and this setting and a sensor in the NB >>>>
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