View Full Version : Gigabyte 8600GTS passive cooling heat problems...
My gigabyte 8600GTS silent pipe is having cooling problems. It was pefectly fine on stock clocks, but it is going over 70degrees as I begin to overclock it. I can't increase fan speed cause there isn't one. I'm thinking about adding a 120mm fan pointing towards, but doesn't that defeat the purpose of "silent cooling"? How about removing the heatsink and applying artic5? Think that will help?
You may get a degree or 2, but what made you get a passively cooled card to OC? They are inherently bad at it as the cooling is just usually enough to get by at stock as more passive cooling requires a bigger cooler which is not their goal.
Bought it because it is mainly used as a HTPC with occasional gaming. Figured I'll overclock the system to get the max. benifits out of it. So how about aiming a 120m fan at it? Next option is a Zalman cooler, but are those coolers quiet?
Burninate
05-28-07, 09:12 PM
Bought it because it is mainly used as a HTPC with occasional gaming. Figured I'll overclock the system to get the max. benifits out of it. So how about aiming a 120m fan at it? Next option is a Zalman cooler, but are those coolers quiet?
I had a VF-900 on a former card and it was almost completely silent at anything below 80%. As for the 120mm option, I bought some of these at newegg:
http://www.newegg.com/Product/Product.asp?Item=N82E16835185004
Though I think they were only like 14.50 when I bought them :( They are REALLY quiet when ran at any voltage and move a pretty good amount of air. For the price of a Zalman (~$30 now-a-days) as compared to the silent 120mm fan option, I would probably go for the zalman as they are really quiet too and will most certainly drop your temps at least 15C and allow you to over clock that card as high as you would like. The Zalman 700 is an option too, and cool almost as well as the 900's and cost about $10 less.
nd4spdbh2
05-28-07, 10:55 PM
a 120mm fan blowing on a card thats designed to be passive will probably yeild quite good results... try it i dont think you will be dissapointed... i mean the chipset on my P5WDH would run at 140*F passive... with a 40mm fan @ 4v (so very lil airflow) it dropped temps a good 40*F
Wow a 20C drop from a 4V 40mm fan? Slap a slow 120mm on there for sure.
nd4spdbh2
05-28-07, 11:25 PM
Wow a 20C drop from a 4V 40mm fan? Slap a slow 120mm on there for sure.
ehh i dont have room for a 120 and i dont think the hs would get as a direct flow of air. but if you had a full cover passive hs on the thing with a 120 mm fan blowing on the whole card i would imagine a big temp drop.
The card had a slot that almost fit a 80mm fan PERFECTLY! I just haved to shave a little bit off one side of the fan and it slid right in. I ran atitools scan and the temps went above 70degrees within one minute and I had to shut it off. It is now a solid 61 degrees running for as long as I please. The fan is sitting on the heatsink, but I wonder if the fan was an inch away... would it be better since it is a passive heatsink...
nd4spdbh2,
You race R/C cars? Noticed you have a Team Losi logo... I have a 8ightT truggy and a few other ones.
thideras
05-28-07, 11:39 PM
The card had a slot that almost fit a 80mm fan PERFECTLY! I just haved to shave a little bit off one side of the fan and it slid right in. I ran atitools scan and the temps went above 70degrees within one minute and I had to shut it off. It is now a solid 61 degrees running for as long as I please. The fan is sitting on the heatsink, but I wonder if the fan was an inch away... would it be better since it is a passive heatsink...It doesn't matter because a heatsink is a heatsink, it doesn't really matter what it is designed for because they are all generally made the same.
So, to answer your question, it will help if the fan is being "choked" if the fan has obstructions directly in front of it (ie: heatsink). But moving it 1 inch away won't help, you will have to duct the air, otherwise the air will take the path of least resistance...not through the heatsink.
nd4spdbh2
05-28-07, 11:54 PM
nd4spdbh2,
You race R/C cars? Noticed you have a Team Losi logo... I have a 8ightT truggy and a few other ones.
ya i got a coupla rc's... I have a Team losi XXX bk with a mamba max 5700kv brusless motor that makes big gas trucks cry at the track (we are talking so much power that i can pop a wheelie in the buggy going 30mph already and it tops out round 55 60 mph)... then a beater traxxas rustler, a custom made rock crawler, and a HPI Savage SS... Rc cars are so fun... my crawler is the most fun as it requires the least mantiance, batteries last FOREVER 2+hrs... but the other cars have their place. I just love it when i take my losi out to the track and scream by the 1/8th scales like they were standing still, while being relativly silent compared to the gas cars... muahahha.
N e ways back to computers lol. ( i got way to many hobbies, rc cars, computers, dritbikes, jeeps, boats....)
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