Prototype IBM DemiDiskette drive

Eric Smith spacewar at gmail.com
Thu Aug 23 14:32:52 CDT 2018


On Thu, Aug 23, 2018 at 12:51 PM, Tom Gardner <t.gardner at computer.org>
wrote:

> It was the SA200 a 2/3rds height (51 mm) 5¼-inch FDD at $118 in quantities
> of 5,000 or more.  It was sold in 1982 but got killed by the true ½
> heights  which Shugart OEMed from Matsushita.
>

Hi Tom,

The SA200 came later, and just from the photographs I can tell that it was
a much better-engineered drive than the one I'm referring to.
    http://www.computerhistory.org/collections/catalog/102677924

http://engineeringhistory.tumblr.com/post/92146695534/shugarts-sa200-525-minifloppy-disk-drive

The drives I saw in 1980 were prototypes or engineering samples, and didn't
look at all like the SA200.


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