IBM DemiDiskette

Curt @ Atari Museum curt at atarimuseum.com
Tue Dec 2 18:17:01 CST 2008


THATS COOL !!!!!!!!!!!!!!!


Thanks for sharing Al.


Curt


Al Kossow wrote:
> If anyone is curious about what an IBM 4" floppy drive looks like, I 
> just uploaded a picture
> and the patent for it to http://bitsavers.org/pdf/ibm/floppy
>
>
>
> http://www.weblog.com/comments.aspx?blogid=30290&postid=71765
>
>  4-inch floppy diskettes
>
> In the mid-80s, IBM developed a 4-inch floppy diskette, the 
> Demidiskette. This program was driven by aggressive cost goals, but 
> missed the pulse of the industry. The prospective users, both inside 
> and outside IBM, preferred standardization to what by release time 
> were small cost reductions, and were unwilling to retool packaging, 
> interface chips and applications for a proprietary design. The product 
> never appeared in the light of day, and IBM wrote off several hundred 
> million dollars of development and manufacturing facility.
>
>
> CHM appears to have one
> http://www.computerhistory.org/collections/accession/X1140.93
>
> Mismarked at 5 1/4" (grrrr..)
>
> And a disk
>
> http://www.computerhistory.org/collections/accession/102667528
>
>
>



More information about the cctech mailing list