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Hi TL,
I noticed for like two month that my computer was running hot. idle was
- 55° cpu => 70-75° full
- 65° cores => 80° full
- 70-75° NB => 90° so shutdown (that how i saw that it was running hot)
- 65° NB => 70° full
So i cleaned it up and installed artic silver on cpu. Lost 10° (i had never changed it. Was using stock).
But everything is the same (almost) for the other (especially core that can go to 75° in full)
And so i wanted to buy a mini fan for the northbridge but i don't understand how to put one on top of it. And on the SB too. The card is a Asus Gene 2 Rampage.
I already bought a 40mm fan and saw i couldn't install it (don't have fixation).
I can't run a OCCT for 6minutes. It stops before the end because too much heat.
Anybody have idea ?
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United Kingdom20326 Posts
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Nothing was mentioned about the PC. I'm guessing it's something like this:
LGA1366 socket
i7-920 CPU (or something like that)
X58 board
some graphics card
one case fan in the front, PSU separate at the bottom and not involved with cooling
This system still used a northbridge. It's located between graphics card slot and CPU socket. There's a heat-pipe connecting things around the CPU socket on that particular Asus board.
The temperature of the northbridge should be able to go up to 100c, I think. You have to Google for that. Perhaps the shutdown that scared you had nothing to do with temperatures and it was always that hot?
How is the general cooling of your case? It's connected to everything else. If you get the air inside the case 15c lower, everything will show 15c lower temperatures.
If it's really too hot and there's no explanation, perhaps some heat-sinks came off? They are probably using push-pins and snap through holes in the motherboard. Try to see if something got loose.
You could try to remove all heat-sinks. They are probably using thermal pads. You could rip those off and replace with thermal paste. That should work much better. + Show Spoiler +Taking all off and reapplying thermal paste might be a bit dangerous. I've seen manufacturers use parts in those areas that are not of the same height. The higher parts would be in the way and keep the heat-sink from touching the lower parts. You need a thick thermal pad in that case, can't use thermal paste.
So if you decide to take everything off, you should look out for that before you destroy the thermal pads that are already on the heat-sinks.
If you want to cool with a fan, there's a heat-pipe connecting your NB with some other heat-sink. Perhaps you don't need a fan as one of the two heat-sinks is already hit by air from the fan on the CPU cooler? The heat-pipe makes it so you don't have to cool the NB directly.
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It's asus gene II rampage (i wrote it but did not hightlight it).
CPU and graphic card are kind of irellevant in my situation i think because i just want to know how i can fix a fan on the NB on my card.
But maybe my post was badlly writen.
- NB cut the pc at 90° in the Bios for me.
- Cooling is bad in the case because bad case. I left it open because the air flow is so bad that the computer have more heat with case closed than open.
- I tried to see if NB heatsink was not fix right but it seems okay.
- I wanted to try thermal paste on NB and SB but i'm too scared to do it 
The heat pipe is the thing coming from the NB around the CPU and SB ? Is that it ?
I'm trying to find a picture
EDIT : http://img.clubic.com/01980420-photo-asus-rampage-ii-gene.jpg
So from what i understood. The NB was the pig thing with asus rog logo and the southbridge is the thing that is top of the cpu (in the picture).
Because it was asked of the cpu/mobo i'll give it because maybe it's important after all.
it's Asus Gene II rampage
i7 920
Ram is HyperX kingston
6970HD on the upper slot (because i have another card on the PCI standard that is quite big). Also 4 HD.
But i really don't understand what you meant about the heatpipe and the not needing a fan
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Yeah. That heat-pipe thing just makes it so the two heat-sinks will have the same temperature. This means if you cool one of them down, you cool both.
Can't you just put one more case fan in? This can do a lot. Try to have the air move in a general direction inside the case. If all the fans are pushing and pulling air in the same direction, this will add the pressure of the various fans together.
Also try to see that nothing strange happens. I can imagine a front fan's fresh air disappearing through a hole in the side panel, for example, without doing anything good for the parts around the CPU socket.
You can remove all the slot covers for the expansion card slots. That can work very well if you have more intake than exhaust fans. Hot air from the graphics card will get pushed out through those holes.
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Do you know the name of the case so one can find some pictures of it? Also, what CPU cooler do you have?
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Well, I don't understand why it wouldn't work fine with that case!
There's tons of fresh air going into the case. The stock CPU cooler blows onto everything around the CPU socket. That fan should already be enough to cool the NB.
Maybe the fan on the CPU cooler is a bit broken and running slower than it did when it was new?
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On September 27 2013 08:12 Ropid wrote:
Well, I don't understand why it wouldn't work fine with that case!
There's tons of fresh air going into the case. The stock CPU cooler blows onto everything around the CPU socket. That fan should already be enough to cool the NB.
Maybe the fan on the CPU cooler is a bit broken and running slower than it did when it was new?
Hum... Maybe.. let me check at what speed it is running.
EDIT :
Ok i logmeined my pc. It's idle and i have normal temps 40-42°c on cpu but
NB is at 67
SB is at 55
CPU fan speed at max make 1962- 2009RPM
Chassis fan at 841RPM
GPU fan at 1387 currently (gpu is at 55°)
All the core are between 55 and 60
Speedfan doesn't seem to see the other fans in the case.
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EPT
