[Cialug] Noise

Theron Conrey theron at conrey.org
Tue Jun 14 11:28:02 CDT 2005

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...


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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