File:Verbatim 5.25 minidisk tracks 1978.jpg

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English: The 5.25 inch disk on the left supports 35 data tracks, the one on the right with the larger opening supports 40 tracks. When Shugart introduce the SA-400 Minifloppy in August 1976 it used 35 tracks. In 1977 Wangco Inc. of Garden Grove, California announced the Model 82 Micro Floppy that was compatible with the SA-400 but it supported 40 data tracks.

The diskettes for the Shugart SA-400 Minifloppy were jointly developed by Dysan Corporation and Information Terminals Corporation.

The claim of copyright is for the contents of the disk, not the hand made labels. These provide a date the disks were first used.

Disks scanned with an Epson Perfection V500 Photo scanner.
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Author Swtpc6800 en:User:Swtpc6800 Michael Holley
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17 January 2010

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current04:24, 21 January 2010Thumbnail for version as of 04:24, 21 January 20101,125 × 575 (109 KB)Swtpc6800Clear edges
04:12, 21 January 2010Thumbnail for version as of 04:12, 21 January 20101,125 × 575 (111 KB)Swtpc6800== {{int:filedesc}} == {{Information |Description={{en|1=The 5.25 inch disk on the left supports 35 tracks of data, the one on the right with the larger opening supports 40 tracks. When Shugart introduce the SA-400 Minifloppy in August 1976 it used 35 tra
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