Path: utzoo!utgpu!news-server.csri.toronto.edu!cs.utexas.edu!wuarchive!sdd.hp.com!hp-pcd!hp-vcd!stevem
From: stevem@hp-vcd.HP.COM (Steve Miller)
Newsgroups: comp.sys.mac.hardware
Subject: Re: Noise From 105M Quantum
Message-ID: <1170005@hp-vcd.HP.COM>
Date: 9 Nov 90 01:59:25 GMT
References: <1990Oct24.214236.2068@Neon.Stanford.EDU>
Organization: Hewlett Packard, Vancouver, WA
Lines: 14

>>Increasingly often, my 105M Qunatum (internal HD, IIci) carries on making
>>noise after completing a disk access, and only stops if I do another
>>disk access. Any ideas as to the cause / how serious this is?
>
>Mine has started doing this also. (It's a MacinStor from Storage Dimensions)
>The noise sounds like the heads are seeking back and forth slows down disk
>accesses quite a bit when it is occuring. This weekend I'm taking it out
>of my SE/30 and sending it to Storage Dimenstions for "repair".

This may be a little hard to believe, but as I remember some Quantum hard disks
had a firmware "Fix" to fix a head sticking problem.  The fix is to move
the head back and forth to keep it loose.

Steven Miller