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Phunc
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Posts: 173
Join Date: Sep, 2007
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« Reply #51 on: January 23, 2009, 12:24:25 PM » |
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OK I just went for it and did the most logical thing: I removed the original fan from the original cooler (displayed above) and I attached it to the VNF-100 with two tie-wraps. The clearance isn't great but it isn't touching anything. Anyway, the first time I booted, I immediately noticed the fanspeed changing various cycles. And after it stopped switching, it is VERY quiet. My Raptor drive is much louder now, in multiples to an hour ago. The most noise comes from the Intel stock cooler fan which runs at medium speed (1700rpm). The fan on the videocard isn't even hearable ! Here are some pictures to clarify:  The card with the cooler mounted. Notice that it is off-center because the fan would contact the drive cage. You can't see from this picture but the tie-wraps are fastened just next to the first heatpipe, towards the center. Where it sits now, it barely clears the CPU fan (see next pic) but it doesn't come too close to the drive cage.  Here you see how close it is to the CPU fan. As you might have seen, it isn't the standard ICE fan and shroud. I removed both because I found them to be blocking too much inside. This mod wouldn't have been possible otherwise. It's the fan from a stock Intel cooler found with the Q6600 processors. Why ? Because it clips perfectly onto the ICE heatsink, it uses less room and it's also PWM. Just made a topic about it: http://www.sudhian.com/index.php?/forums/viewthread/105309/ Here you can see my temps. Take into account it is °C. I highlighted where I started a game (Mirror's Edge) to test stressed performance. As you can see, in the 15 minutes I played, it didn't get above 60°C which is pretty cool for a 9600 series. It idles at around 45-50°C in Windows Vista which is also very nice. SINCE IT'S ABSOLUTELY SILENT NOW !! The only thing making noise right now is the Raptor hard drive (SSD replacement coming) and the Intel fan which I had to set to Medium because the PWM management is changing rpm-speeds every second which is super-annoying, when I had it set to Smart Fan mode. I hope this one day gets updated through a BIOS update but I'm not putting money on that one. I'm very satisfied I did this, my system is really silent for a Quad Core 2.5GHz (other FSB set) with an 9600GSO. The only other options I have is mounting a 92mm fan on the outside, using a shorter shroud and replacing the HDD with an SSD. I used to have an Arctic Cooling 9 PMW fan mounted on the outside inside the shroud (also on the outside), but that was to bulky. If I shorten the shroud to the ICE heatsink's size and mount the fan externally, the cooling would become efficient enough so that it could run very silent. Or so I guess. |
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Bagobones
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Posts: 10
Join Date: Feb, 2008
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« Reply #52 on: January 24, 2009, 11:48:12 AM » |
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I dont have much to ad here, but i like this thread and I have a similar setup as you guys... After a little less than a year the stock cooler on my Sapphire hd3650 started beeing very loud.. So i swapped the cooler on it for a Zalman vnf100 and used artic silver 5 thermal compond. Perfect fit for both my SN68sg2 (tight fit) and gpu.. my temps now are the best ive had on the hd3650, never passing 60 degree c during gaming, and around 40 - 45 for everything else i use the pc for.. And i havent fitted a fan on it, its completely passive  .. apart from that i have a Scythe "KAMA PWM" 92mm fan, and i have modded the PSU (pc40?) with a Papst 412 fan, soddered on the original fan wires.. Noise wise my machine is now very good for my ears, and i feel the only thing left is to add some AcoustiPack sound dampening material on the inside of the case cover, as icing on the cake... My goal was to make my Shuttle as quiet as my friends Apple Macbook Pro 15 inch, and i feel ive done it.. its still making some fan noise during gaming, from like 1800 rpm and up on the ICE fan, more so than my friends Apple fan during load, but it doesnt bother me, and the sound very quickly drowns in other noise in the room. if its a little wind outside i cant hear it, and its usually a little wind here in the artic areas of the planet.. . |
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Spare-Flair
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Posts: 182
Join Date: Nov, 2005
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« Reply #53 on: January 28, 2009, 12:53:25 AM » |
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The one thing I don't like is that it creates a lot of competition with the main system fan for air. They are pulling on exactly the same zone and their vortexes intersect. For my 8800GT, I just insulated it with a foam cutout that stops it from eating any recycled air and added a 5mm fan to guide the air to the main ice fan.
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Spare-Flair
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Posts: 182
Join Date: Nov, 2005
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« Reply #54 on: February 05, 2009, 08:00:35 AM » |
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was it complicated changing your PSU fans? The PSU is the most annoying thing in my system.
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shift6
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Posts: 3
Join Date: Nov, 2008
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« Reply #55 on: February 14, 2009, 04:31:39 AM » |
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I would also like to know how hard changing the PSU fans. However I might come into more problems as I can't seem to find any seller for mini-kaze 40mm fans that will ship to Australia  . I have yet to get a 60mm fan for my GPU, but everything is stable at the moment. Will probably look for ways to tidy up cables and improve airflow a bit more. Unfortunately with the PSU fans there is an irritable humming noise so hmmm. I was wondering if anyone knew if there's any problem with hot ramsinks for the 8800GT? Under the molex; the long rectangular ramsink is very hot to touch even on idle, and i believe it comes into contact with the case, slightly heating that up too. Would there be any problem with that? Maybe I should go back to the short blue Zalman heatsinks? Fun building my first shuttle though heh..   |
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liaeb
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Posts: 40
Join Date: Apr, 2008
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« Reply #56 on: February 14, 2009, 08:51:50 PM » |
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that a noctura fan on the ice (1600rpm?), what cpu and loads temp you gettin?
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hugh
Ace
Posts: 4,371
Join Date: Nov, 2005
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« Reply #57 on: February 14, 2009, 10:11:25 PM » |
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that hot heatsink is cooling the VRM's or whatever the acronym is the ram (4 smaller heatsinks) should be absolutely fine, and you don't even need to use heatsinks on them, but you really want to keep the VRM's cool if you can, although it might not be totally pposisble. best way is just to get the case cover on and get something like 3dmark on loop to stress the graphics card and system and use a temperature tool to make a log, that way you should be able to check all the temps you are seeing while at load. |
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MrGerbick
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Posts: 28
Join Date: Mar, 2009
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« Reply #58 on: March 24, 2009, 11:23:34 PM » |
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Thank you Phunc
As a Shuttle owner using stock Intel fan, with a 9600 who was wondering if the VNF100 would fit ok... your pics came as a treat as you can imagine!
Rather than put a fan on the VNF100 i am going to go for a small silent fan under the drives and between the cpu and northbridge - just need to work out how i'm going to secure the damn thing! That way more of the mobo is benefitting from the additional fan, and the airflow toward the ICE heatsink and intel fan is improved (which includes taking air straight away from the VNF100 on the way out). Hopefully i will be able to keep smart fan on, but we'll see!
Cheers all!
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MrGerbick
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Join Date: Mar, 2009
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« Reply #60 on: March 25, 2009, 11:14:24 PM » |
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Whoaaaa, you should create a Shuttle overkill section for that monster...! What you have there is a Scythe with a Shuttle stuck to it!
Were your temps so disgraceful that you had to move the contents of your PC outside to make way for that thing? I only have a dual core, though 65nm, and am hoping the Mini-Kaze blowing at the Intel fan will be all i need with the VNF100.
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MrGerbick
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Posts: 28
Join Date: Mar, 2009
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« Reply #62 on: March 26, 2009, 06:01:35 PM » |
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Just stuck the VNF100 in my SG31G2 today.
Just powered it on and played a movie at 1440x900 just to place a load of sorts without being too heavy handed (this is also a HTPC "with talent" lol, so a decent enough test for now). Temps eventually sit at 73C, which is a lot hotter than it would have been before (probably more like 58-60C!) so it ap, probably due to the proximity of the drives and the lack of another fan.
Now to find a place for the MiniKaze so that it can take the air past the aforementioned area and toward the ICE, and see how much difference it makes. I'll probably end up with the Kaze on the VNF100 haha... but it's difficult to know how to place it when it's that near the main exhaust.
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Spare-Flair
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Posts: 182
Join Date: Nov, 2005
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« Reply #63 on: March 26, 2009, 09:49:33 PM » |
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I have my Scythe fan screwed into one of the holes in the top back corner  You could use that as a mounting hole and use an old PCI bracket and bend it to create a fan bracket to hold a fan infront of your heatsink |
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Phunc
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Posts: 173
Join Date: Sep, 2007
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« Reply #64 on: March 27, 2009, 08:31:16 AM » |
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Personally I hate small fans, because they make lots of noise or they don't do much. Then again, 92mm is about the biggest that will fit in a G5 case.
I removed the shroud a long time ago and mounted an Arctic Cooling 9 PWM fan externally to blow air inside. I had enough room to mount a decent fan on the videocard now.
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Aries326
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Posts: 57
Join Date: Oct, 2006
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« Reply #65 on: May 17, 2009, 10:48:18 PM » |
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I followed the suggestion I read here in regards to replacing the ICE Fan with a Noctua NF-B9. But I also replaced my x1950gt. My SG33G5 is way more quieter now. I'm not sure which change is most responsible for the decrease in noise. The x1950gt was REALLY noisy. I'm glad I made the changes. Although, based on XBench, my graphics isn't that much better with the 8800GT. I always thought the 8800GT was way faster than the X1950GT.
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shift6
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Posts: 3
Join Date: Nov, 2008
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« Reply #66 on: May 17, 2009, 11:01:36 PM » |
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I have to say, replacing the stock PSU fans with the Scythe Mini-Kaze's is probably the best thing you can do to this PSU. Even for a first time nub like myself, it was rather easy and didn't take long at all. The decreased sound is well worth the effort.
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