Re: D9090 back to life !

From: William Levak <wlevak_at_SDF.ORG>
Date: Mon, 27 Jan 2014 18:07:46 +0000 (UTC)
Message-ID: <Pine.NEB.4.64.1401271800000.7889@sdf.lonestar.org>
On Mon, 27 Jan 2014, hwarin@neuf.fr wrote:

> Don't ask why, it operates well only when placed on it's right side ! (seen
   from ST225 manual, it's forbiden to use it from it's back .. and it's
   the exact position choosen by commodore)

If it's not the bearings or the head stepper mechanism, it could be rf 
interference between the drive controller board and the main controller 
board.  I've seen some IBM drives that would only work in certain 
positions because of rf interference.  Try unmounting the drive and moving 
it as far away from the rest of the unit as possible.  If it works that 
way, it's rf interference.

Try adding a ground strap between the two boards.



wlevak@sdf.lonestar.org
SDF Public Access UNIX System - http://sdf.lonestar.org

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