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ZM-NB47J on ASUS A8N-SLI deluxe

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imported_rod

Golden Member
As you've probably already guessed, I have an A8N-SLI deluxe. The chipset fan has been making alot of noise recently, so i bought a zalman NB47J. I hadn't got around to installing it, until asus pc probe started flashing when the fan stopped spinning this morning. So i finally decided to replace it today.

Firstly, I took my MoBo out of the case, and removed the old chipset fan.
Then i cleaned the chipset with surgical spirits (alcohol) and cotton wool.
Once all the old thermal paste was off, I put on a little of the thermal paste included with the heatsink on the chipset, and spread it around.
I then assembled the heatsink and popped it in my motherboard.

After re assembling my PC, i turned it on and went into bios. According to the bios, my mobo temp is 26C. But i have a temp monitor which mounts in bay on the front of my case. I wedged one of it's temp probes into my heatsink. The temp kept increasing, until it hit 50C and the alarm sounded, so i shut down the pc.



I have two 80mm fans (~15-20 cfm), one at the front of the case, and one at the back. I also have a 35cfm fan in my side window.

Would i be right if i thought the problem was not enough airflow? I think i must have installed it right, because the heat is getting into the heatsink. Would adding another 80mm fan, or replacing the current one with a 120mm fan, help?

Thanks all
RoD
 
Where did you "spread out" the thermal paste?

Just to give you an idea what I'm seeing: I have an Asus K8N4-E Deluxe. I took off the stock heatsink, cleaned the chipset with Q-Tips and 70% rubbing alcohol. Then I applied the thermal paste IN THE MIDDLE OF THE CORE of the chipset. In other words, the part that sticks out in the middle. That's the part that makes contact with the Zalman NB47J.

If it really is too hot, I would do what one of the guys did in the large NB47J thread. He took a Coolermaster 40 mm fan and put it on the side of his NB47J.

The temperatures I see in Sisoft Sandra are like...33'C when idle and 46'C when gaming. (I don't know if 46'C is too high though. I might add one of those little Coolermaster fans later on myself.)

\EDIT: I found that thread:
http://forums.anandtech.com/messageview...atid=29&threadid=1490234&enterthread=y
 
Yeah, i put the thermal paste on the core and spread it out a bit, to try and cover most of the core with a thin layer of paste.

RoD
 
Ouch. I'm not sure but I think you're not supposed to do that.
BTW, someone said they got some free replacement pins from Zalman when they emailed them saying they lost theirs.
If you do take it off, you can use 70% rubbing alcohol Q-Tips and a lint-free coffee filter to take off the heatsink. (I just use Q-tips although it takes longer.) BTW, I read Artic Silver Ceramique is non-conductive so it's safer than Arctic Silver 5 (and it won't void your warranty).
The reason I said you could order new pins is when you take them off you might break the ends.

Hopefully, someone in this thread will confirm that it's not a good idea to put thermal grease all over.

Here's a link to the post where a guy said he used a fan to put on it. Later on in the thread someone asked him how he put it on:
http://forums.anandtech.com/messageview...&STARTPAGE=3&FTVAR_FORUMVIEWTMP=Linear

(I'll try to edit my post to add a link to AMD videos that show you how to put on a heatsink etc.)

\EDIT: OK, here's a link to the videos that show you how to place a heatsink on a CPU. The reason why I'm linking that one is that the socket A Athlon XP have an exposed core. So, it's like the Northbridge chipset when you take off the stock heatsink.
http://www.amd.com/us-en/Processors/Tec...rces/0,,30_182_869_4348%5E6678,00.html
 
The zalman instructions that came with the heatsink said to spread the thermal paste over the chipset.

I already had a look at that thread. I'm just wondering if i need to attach a fan to it. Most people have had enough airflow without needing to add a fan to their chipset.

RoD
 
It's not a piece of metal. It's the white cord for the temperature probe. 😉

Anyway, just played UT2004. The display in the case connected to the probe only says 27'C.
Sisoft Sandra says the motherboard temperature is 45'C and CPU is 39'C.

Now I'm gonna open the case to touch the Zalman to see if it's hot to the touch.

\EDIT: You know what? That thing is dang hot! I kind of feel like putting on a 40mm Coolermaster fan on it myself. At least the thing is absorbing the heat if you know what I mean. Sheesh.
 
The A8N-SLi Deluxe has an active fan on there... 9000rpm! Mine failed (and my company has 6 of these) so asus sent me 6 new, different hs/fans. The kind that run slower, so they won't lock up. I wouldn't trust a passive heatsink on there! Thing gets dang hot.
 
Asus sent you SIX free heatsinks???

Well, my solution might be to install one of those 40 mm Coolermaster fans on it. I really don't want to put back the original one. You just don't know how quiet my machine is.
 
Originally posted by: volrath
The A8N-SLi Deluxe has an active fan on there... 9000rpm! Mine failed (and my company has 6 of these) so asus sent me 6 new, different hs/fans. The kind that run slower, so they won't lock up. I wouldn't trust a passive heatsink on there! Thing gets dang hot.
Click to expand...
I tried getting ASUS to send me a replacement. I live in Australia, so ASUS USA told me that i was in ASUS China/Taiwan service area. I contact them, and them tell me that "it is inconvienent" for them to send me a replacment HSF, and that i should buy a zalman ZM-NB47J. I figure if ASUS tell me to, then they cant blame me if it doesn't work.

I'm gonna try putting a decent fan in the front of my case, and see if that helps. Otherwise, i'll buy a 40mm fan and attach it like some other people have done.

RoD
 
Holy Christmas! They told you to put on a Zalman NB47J??? You mean you have it in writing by email? (I wouldn't mind seeing that. Heheheh.)

Anyway, it would take too much time to send my old one to you to Australia. However, it's only freakin' $10 Canadian man! Why would you NOT put one on?

I'll give you a trick that will save you A LOT of time. Once you have the heatsink off, clean it and put it against the Zalman when you're ready to line up the pins. That way you'll get it precise so you can easilly put it on the motherboard.

Also, I would try to use needlenose pliers not quite touching the motherboard. Like let's say you pinch the ends of the black pins like half a millimeter away from the motherboard.
 
You said you'd like to see it. Here's the e-mail:
Dear Friend :
Thank you for contacting ASUS Customer Service.
My name is ***** and I would be assisting you today.

Sir , If you want to replace the chipset fan , you need to pay for the chipset fan and postage , Maybe it's no cheap . So you could contact motherboard dealer or distributor for this help .
Also, If you have the Zalman ZM-NB47J N!orthbridge Cooler static fan, You could use it to replace .

Sorry for giving any inconvenience !

Best regards!

If having any problems, please don't hesitate to let me know. Let's discuss this issue together.
Thank you for using ASUS products and enjoying ASUS services!

*****
ASUS Customer Service Center (Shanghai , China)
Click to expand...
 
static fan? Well, that's some odd English there.

At least I know they have nothing against the Zalman NB47J. Now, if I could only figure out why my X700 Pro is giving me weird errors. I know I bought it on sale but I'm beggining to think it is a piece of crap.
 
Shoulda got the 6600GT...

BtW: I cable tied a 40mm fan to my zalman heatsink, and now my system is running fine. The chipset idles at about 32C, and goes up to 40C-42C under gaming load (BF2). I still havent stress tested with Prime95, but i plan to when i am gonna be at home for a while, so i can shut it down if it starts overheating...

FiSSion
 
Nah, I'm happy with the ATI for now. I really wanted to try one since I had two Nvidias before this. I'm looking forward to the next generation with AVIVO. You gotta check that out on the ATI web site. Mindboggling.

Anyway, I'm happy you solved the problem with that. I might very well put a small 40 mm fan on mine as well.

Here's a link to a case modification I did:
http://www.ataricommunity.com/forums/sh...d4670c9336b1d035393054&threadid=494026

\EDIT: How in the world can you see the chipset temperature? I can't on mine. I downloaded Everest Home Edition and can't see chipset temperatures.
 
I have the A8N Deluxe too, replaced it with a NB47J, and it's fine. Don't know the temps though.... no problems yet 😛
 
Is there no way to install the NB47J without taking out the motherboard?

Because I am definately not in the mood for doing that. I'm not going through the hassle with the cables again, oh no.
 
I'm not sure what you mean. Look, those plastic pins look like anchors in a way. The two prongs or whatever you want to call them are on the other side of the motherboard.

I guess one of the only ways you could possibly do it is to be extremely skillful with a drill. You could drill the plastic pins but without damaging the motherboard.

Just kidding. There's no way to avoid removing the motherboard.
If anyone thinks they can do it with a drill, please post results here. 😀

Anyway, if you have an Asus mobo, do a search on PEG Link Mode. It should be set to disabled in BIOS if you have problems with your video card.
 
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