Path: utzoo!utgpu!jarvis.csri.toronto.edu!cs.utexas.edu!rutgers!att!tellab5!wiseman
From: wiseman@tellab5.TELLABS.COM (Jeff Wiseman)
Newsgroups: comp.sys.mac
Subject: Re: SE/30 high pitch whine
Message-ID: <1887@tellab5.TELLABS.COM>
Date: 19 Dec 89 18:33:40 GMT
References: <25103@cup.portal.com>
Reply-To: wiseman@tellab5.UUCP (Jeff Wiseman)
Organization: Tellabs, Inc. Lisle IL
Lines: 19

In article <25103@cup.portal.com> Michael_H_Naber@cup.portal.com writes:
>I too have noticed a high-pitched whine, both when the SE/30 had an external 
[stuff deleted]
>tried taking out all of my INITs, without effect on the whine.  Anyone out
>there have any ideas?

This is only an idea (ie. a guess :-) based on something I read in the hardware
manual that I received with my LaCie 40M quantum external drive.

Apparently, there is some kind of "ground" or "static strap" of some kind
inside the drive that can produce a "whine". Whether or not this is the whine
that you are hearing, I havn't a clue but according the breif explanation in my
manual, the fix involves slightly bending this strap (or what ever).

Anyway, you DID only ask for an IDEA! :-) Hope this one helps.


-- 
Jeff Wiseman:	....uunet!tellab5!wiseman OR wiseman@TELLABS.COM