Path: utzoo!utgpu!attcan!uunet!iscuva!jimc
From: jimc@iscuva.ISCS.COM (Jim Cathey)
Newsgroups: comp.sys.mac
Subject: Re: disk squeak
Message-ID: <1831@iscuva.ISCS.COM>
Date: 3 Aug 88 15:14:28 GMT
References: <5635@batcomputer.tn.cornell.edu> <61185@sun.uucp> <2937@utastro.UUCP> <4482@mit-vax.LCS.MIT.EDU> <AWxSJSy00VsG428qIH@andrew.cmu.edu>
Distribution: comp
Organization: ISC Systems Corporation, Spokane, WA
Lines: 20

In article <AWxSJSy00VsG428qIH@andrew.cmu.edu> wb1j+@andrew.cmu.edu (William M. Bumgarner) writes:
>a squealing drive usually means that the bearings are going bad.  If it is
>under warranty, replace it before the warranty runs out...  if not, don't 
>worry about it for a while.

The traditional cause of hard disk squeal is not the bearings, but a static
discharge brush pressed against the spindle of the drive.  The 'fix' is 
usually to just rip it loose.  No one seems to have an adequate explaination
why you need/don't need this thing.  This squeal isn't harmful to anything
except your nerves.  Of course, your bearings _could_ be bad, but it's 
unlikely.  

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