3.5" floppy failure mode? Hub not attched to media.

Mike Stein mhs.stein at gmail.com
Sat Feb 28 12:14:24 CST 2015

----- Original Message ----- 
From: "Eric Smith" <spacewar at gmail.com>
To: "General Discussion: On-Topic and Off-Topic
Posts" <cctalk at classiccmp.org>
Sent: Saturday, February 28, 2015 4:05 AM
Subject: Re: 3.5" floppy failure mode? Hub not
attached to media.

> On Feb 27, 2015 12:58 PM, "Chuck Guzis"
> <cclist at sydex.com> wrote:
>> I'm not sure that the "fine" stepper was used
>> other than to bring the head initially 
>> on-track.
>> That is, I'm not at all sure that it 
>> compensated
>> for any eccentricity.
> They wouldn't have needed full-blown embedded
> servo for that. They went to a
> lot of expense to have embedded servo tracking
> because it was actually
> necessary.

----- Reply -----

Are you saying that it actually stepped in and out
during a rotation to follow the eccentricity?


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