From: bv@wjv.com   
      
   In article <45B14A36.81274D9B@rcn.com>, Rick   wrote:   
   >Computer News 80 wrote:   
   >>   
   >> We are still looking for working 360K double-density or 180k single   
   >> sided 5.25" disk drives.   
   >> Any out there, or is there any source that is refurbishing them.  Full   
   >> height or half height.   
   >> We want to keep those RS Model 4s running.   
   >>   
   >> compnews@bresnan.net   
   >   
   >MECI.com has (still had the last time I looked) single sided 180k 3.5"   
   >drives. It was such an oddball thing I picked one up, but have never   
   >tried it out. No idea what it was designed for regarding tpi and   
   >sectors. Definitely has only one head.   
      
   >Don't recall any system using a 3.5" drive at only 180k capacity. The   
   >drive mounting bracket came with two round SPST momentary contact   
   >switches mounted on it. Weird.   
      
   The low end IBM systems used to use singled sided 3.5" drives as   
   recall.  The model number that comes to mind is 30.   It was about   
   the time IBM introduced the new lines with the new bus structure.   
      
   Bill   
   --   
   Bill Vermillion - bv @ wjv . com   
      
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