user <user@example.net> writes:

> Hi,
> Has anyone changed out the main fan and/or the CPU fans on
> the Sun w1100z/w2100z to improve the noise levels?
> It's summer here now and we have a desktop where the fans won't run
> at minimum speed due to moderate ambient temperatures (28 C). Unit is
> rather noisely with main fan sounding like a blower (and buzz
>
> from the CPU fans(?)). Would changing out the fans help?
> (The latest supp cd 2.0 bios is already installed).
> Thx...

Call Sun and have them replace the fan on FCO 255.

I got a set for my w1100z today, but haven't had the time to replace
them yet.

You need to replace both the chassis fan and the cpu heatsink/fan.

Thomas