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From: andy@cbmvax.UUCP (Andy Finkel)
Newsgroups: comp.sys.amiga
Subject: Re: how do I fix a broken disk drive?
Message-ID: <2131@cbmvax.UUCP>
Date: Fri, 17-Jul-87 09:42:49 EDT
Article-I.D.: cbmvax.2131
Posted: Fri Jul 17 09:42:49 1987
Date-Received: Wed, 22-Jul-87 02:25:02 EDT
References: <1236@spice.cs.cmu.edu>
Reply-To: andy@cbmvax.UUCP (Andy Finkel)
Organization: Commodore Technology, West Chester, PA
Lines: 31
Keywords: disk drive alignment

In article <1236@spice.cs.cmu.edu> mjp@spice.cs.cmu.edu (Michael Portuesi) writes:
>
>I lent out my Amiga to a friend of mine that needed it for some work
>he was doing.  Before it was moved, it would reject the Kickstart disk
>when inserted some 25% of the time.  Other than that, the disk drive
>read and wrote normally.  I did have some problems with cheap disks.
>This was probably a sign that the drive was out of alignment, but not
>enough so to cause a major catastrophe.
>
>After being moved, my Amiga now refuses to accept Kickstart at all.
>Apparently moving the computer gave the drive the extra "oomph" it
>needed to fail entirely.

At various times (well, twice anyway).  Once it was because I'd shorted out
one of the voltages that the disk drive wanted.  A new power supply fixed
it up.  The second time was after a power failure...that time I had to replace
both an 8520 and Paula before it would read a Kickstart again.

You might try checking your voltages before you do anything else.

>				--M
			andy finkel
-- 
andy finkel		{ihnp4|seismo|allegra}!cbmvax!andy 
Commodore-Amiga, Inc.

"The goal of Computer Science is to build something that will last at
least until we've finished building it."

Any expressed opinions are mine; but feel free to share.
I disclaim all responsibilities, all shapes, all sizes, all colors.