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Need a northbridge fan

M

Mister Natural

2[H]4U
Joined
Oct 10, 2002
Messages
3,441
One of my older computers has an Asus A8N-E motherboard. Looks like the northbridge fan is slowly dying. It was making some noise but I shot some wd-40 into it. That solved the noise for a while but on a cold boot I get a bios warning that the fan isn't up to speed. Slow to spin up I guess.
Any recommendations for a replacement? I never messed with a northbridge fan before.
 
I usually just put standard 40mm type fans screwed into the NB heatsink (blowing down). Depends on what you have now, maybe its a special fan built into the NB heatsink somehow, if so, might be worth investing in an after market HSF designed specially for NB's.
 
Like the guy above said, yank off the old fan and slap on another of the right size, I find that 40mm fans fit on most NB HS's, I use undervolted Mini Kaze.
 
Thanks for all the feedback. After doing some more homework on the matter I learned that particular fan is well known to die at an early age and actually mine ran much longer than most.
I read a passive heat sink will work just as well and a fan isn't necessarily needed. As a result I bought a Zalman ZM-NB47J.
http://www.newegg.com/Product/Product.aspx?Item=N82E16835118214
This way I don't need to worry about another fan dying. It's going to be a pain in the ass to replace cause I have to pull the motherboard out to undo the peg clips on the back side of the board. I don't want to have to do that again.
 
I removed the fan from my a8n-e and remounted the heatsink with MX-2. This is only doable because I have a 120mm panel fan right over it keeping it cool, it sits at around 34C regardless of system or graphics load. As long as it's mounted properly and there's airflow it should be fine, mine was being wierd for a while (50-60C I think the pins weren't holding it down firmly enough) until I pushed it down really hard and gave it a few wiggles.A real heatsink instead of that stamped POS should have no issues keeping it cool.
 
Last Friday I installed the heatsink. Had to pull the motherboard to get the fan unclipped. Made for a good time to clean all the foam pads and dust it all out to insure good air flow. Biggest hassle was messing with the tiny screws and getting the arms aligned with the holes on the mobo. As I installed it I realized the heatsink may get in the way of the video card. Fortunately I had about a 1/2' clearance. I didn't check temps afterward since it will take a while for the paste to set. My wife uses the computer now no problems reported. As far as I'm concerned one less gripe from her and that's all I'm concerned about. All is well again.
 
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