[Cialug] Noise

David Champion dave at visionary.com
Tue Jun 14 11:36:23 CDT 2005

Yeah... I also need to dremel out the honeycomb behind the heatpipe 
radiator... that increases air flow and decreases noise too.

What Shuttle / CPU was that on? Mine is a SN41G2 w/ Athlon XP 2600+. I 
also run Folding at Home on it 24x7, so the CPU is cranking out some 
serious heat. And I have a nVidia 6800GT card in it, which is pretty hot 
too. I replaced the stock PSU with the Shuttle SilentX, which helped the 
noise some. It works fine, except when I don't turn on the AC and it 
gets to be 98 degrees outside, and that 2nd floor room with 3 computers 
in it gets about 120 degrees, the shuttle will overheat and shut down.


Theron Conrey wrote:
> reference to shuttle fan noise I've succesfully volted down the case 
> fans from 12 to 7or5 volts depending on what the load is.  That and 
> replacing them with better fans significantly reduces the noise level 
> that the shuttle cases generate...
> Theron
> David Champion wrote:
>> You forgot:
>> g) Rackmount screwed to the door and / or frame = vibration noise.
>> Rackmount servers have very high rpm fans. That vibrate a lot.
>> Probably depends a lot on your house construction...
>> I have one of those fans (not the computer fan type) that's on a stand 
>> with blades about the size of your average home box fan. It has little 
>> foam rubber feet on it, and I usually have it on a hardwood floor. 
>> It's amazing how much vibration noise it makes. When you're right next 
>> to it, it's not bad at all. In other rooms, it's quite loud.
>> I have my server in the basement. It's cool down there, and you can't 
>> hear it. Not that I could hear it over my danged Shuttle XPC's fan 
>> anyway. :(
>> -dc
>> Dave J. Hala Jr. wrote:
>>> Suppose that you had a couple of rack mount servers in your home office.
>>> What if you cut a hole in a closet door and screwed a rack mount frame
>>> onto the door and then you modified a cold air return in the closet to
>>> vent the hot air from the servers away. Would the result be:
>>> a) the noise and heat from servers would be considerably less
>>> b) the noise would be about the same and the heat less
>>> c) the noise would echo through the house via the cold air return
>>> d) the wife would freak
>>> e) some one asks why you just didn't put the servers in the basement in
>>> the laundry room and ssh into them as needed.
>>> f) You win the geek of year award
>>> What else are people doing with their home offices? In my current home
>>> office, I'm using a network of 3 pcs. The heat was a problem until I
>>> added a second cold air return near the cieling. Now the room
>>> temperature is consistent with the rest of the house.
>>> I'm about to move into a new house and at that time I'd like to switch
>>> over to using the servers and ditch the pc's, but the noise is a huge
>>> issue. I'd also rather not have to remove/change or slow the speed of
>>> any of the fans in the servers.
>>> :) Dave
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