Vermont Research 5017

jwsmobile jws at
Sat May 9 23:34:45 CDT 2015

On 5/9/2015 6:08 PM, Tom Gardner wrote:
> Anyone have any literature on the Vermont Research 5017?
> It was a cartridge drive shipped from 1975 until 1985 probably rebadged and
> sold under some system manufacturer's label.
I have Syquest drives, as well as Jazz drives which both had embedded 
servos.  No literature on them at my fingertips.
>    Most likely the first HDD to
> use embedded servo in a production drive.
First embedded servo drive I saw was a Tulin 1/2 high 5 1/4" form 
factor, 40mb RLL.  Mine was still functional last time I fired it up.  
It worked longer than a lot of other drives with servo tracks. They 
largely died due to media (probably stuck) or servo problems though.  I 
think the Tulin and it's successors were plated media as well, rather 
than oxide.

I am not sure that the difference is because of plated media vs. oxide, 
anyone have a track record to discuss that?
> Tom

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