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33046Re: [midatlanticretro] Help identifying MFM drive

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  • Cory Smelosky
    Oct 30, 2013
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      On Thu, 31 Oct 2013, Dave McGuire wrote:

      > On 10/30/2013 09:43 PM, Systems Glitch wrote:
      >> I've had my Seagate Wren II open before, and it still works with
      >> nothing other than factory defects. It developed a shrill squeak that
      >> made it essentially unusable so I opened it in search of what needed
      >> grease. It turned out to be the spindle ground brush, which is
      >> external. Wasn't in a clean room, but it wasn't in a dusty shed
      >> either.
      > I remember those grounding springs. A layer of incredibly fine black
      > dust would form on them. Cleaning that off usually stops the squealing.
      > I remember the first time I heard that, on a 71MB drive...my heart
      > sank; that drive was worth ~$500 at the time. I was tremendously
      > relieved when I realized that it was just the grounding spring.

      That would certainly scare you. ;)

      Also: ST-251 ordered. RSTS/E will fit better on that.

      > -Dave

      Cory Smelosky
      http://gewt.net Personal stuff
      http://gimme-sympathy.org Projects
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