Path: utzoo!utgpu!jarvis.csri.toronto.edu!rutgers!cs.utexas.edu!samsung!zaphod.mps.ohio-state.edu!mips!smsc.sony.com!dce
From: dce@smsc.sony.com (David Elliott)
Newsgroups: comp.sys.mac.hardware
Subject: Re: Fan Controller (low noise) for Mac II/IIx
Message-ID: <1990Mar6.233910.16114@smsc.sony.com>
Date: 6 Mar 90 23:39:10 GMT
References: <16719@oregon.uoregon.edu> <22746@unix.cis.pitt.edu>
Reply-To: dce@Sony.COM (David Elliott)
Distribution: usa
Organization: Sony Microsystems Corp.
Lines: 41

In article <22746@unix.cis.pitt.edu> quinn@unix.cis.pitt.edu (Clark  Quinn) writes:
>Is the RS fan output the same CFM as the Mac II fan and just quieter, or
>is it less but considered adequate?  

It's less, but the standard fan has to put up with the possibility of
a fully-loaded system.  If you don't have 6 cards, two floppy drives,
and a hard disk, it's probably fine.

I replaced my fan about a year ago, and I have never had a heat problem
because of it.  The air coming out is never perceptibly warmer than the
room air.

>Can I replace the Mac II fan with the RS fan easily on my SONY
>powersupply?

As I recall, the Sony is slightly tougher to work with (the fan is
in a tighter spot), but it can be done.

>Are there instructions for this replacement?

Yes.  Dave Platt was the last person to post them as I recall (at least
that's where I got it).  I have a copy I am sending you.

>Should I spring for the Nova Fan Controller?

That depends on two things:

	1. How much does the fan noise bother you?

	2. How much louder is the fan than the disk?

If the noise bothers you, you will get more relief from the fan
controller, since the RS fan still runs at normal speed all the time.
If you have a loud hard disk, quieting the fan won't stop the
noise, so the cheaper solution is probably fine.

-- 
David Elliott
dce@smsc.sony.com | ...!{uunet,mips}!sonyusa!dce
(408)944-4073
"...it becomes natural, like a third sense." -- Homer Simpson