Heatkit 5 1/4 floppies - test-drb@ccmp.vtda.org

7 Apr 1999

Interesting.  The Siemens drives were the only ones I've 
ever seen that use this scheme.  But then again, I didn't
look closely at the Shugarts in the Burroughs word processors
when I took my first real job ("you're not qualified").

These were the only ones I've ever seen.

Jeff

On Wed, 7 Apr 1999 12:22:56 -0700 (PDT) James Willing
&lt;jimw(a)agora.rdrop.com&gt; writes:
...
 On Wed, 7 Apr 1999, Jeffrey l Kaneko wrote:

  These were in common use on Z89's and
Z-90's.  Heathkit used drives  made
  by
 Tandon and Siemens.  The Siemens drives were kinda unique: It used a  
  disk with a spiral groove for the head
positioner. 
Hmmm... hardly that unique it would seem...  The Shugart SA-400 
series
drives used that same positioning systems (first?).

-jim
---
jimw(a)agora.rdrop.com
The Computer Garage - http://www.rdrop.com/~jimw
Computer Garage Fax - (503) 646-0174

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