[rescue] loud fans

nick at snowman.net nick at snowman.net
Tue Jun 17 23:53:17 CDT 2003

Rackmount it man.  heh, want a CycleQuad 3u case w/ (probably) fried MB

On Tue, 17 Jun 2003, J. Alexander Jacocks wrote:

> Ryan Thoryk <ryan at tliquest.net> said:
>  > I was wondering if anyone here knew how to solve this problem.  My Sun
>  > Ultra 2 has extremely loud power supply fans, and I could've sworn
>  > they used to be quieter about a month or so ago (???).  As you know
>  > the Ultra 2's have 4 fans, 2 on the left for the RAM and CPU modules,
>  > and 2 in the power supply in the back right.  My SGI Indigo2 is really
>  > quiet compared to this machine...anyway, is there a way to change the
>  > fan speeds, or replace the fans (this would also be good info for
>  > people owning older machines with insanely loud fans).
>  >
>  > Ryan Thoryk
>  > Unix and Network Specialist
>  > ryan at tliquest.net
> If you think an Ultra 2 is loud, try having a CycleQuad on your desk. 
> <grin>
> I asume that the bearings in all of your fans are OK.  Flat 
> bearings/bushings will make a fan _really_ loud.  Other than that, you 
> can try replacing the fans with others with greater or equal CFM 
> ratings, but that would be a bit of a pain.
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