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From: Mark_E._Simmons.osbunorth@XEROX.COM
Newsgroups: comp.sys.apple
Subject: Re: Shugart Disk Drives
Message-ID: <870804-100808-3135@Xerox>
Date: Tue, 4-Aug-87 13:06:56 EDT
Article-I.D.: Xerox.870804-100808-3135
Posted: Tue Aug  4 13:06:56 1987
Date-Received: Fri, 7-Aug-87 03:28:17 EDT
Sender: daemon@ucbvax.BERKELEY.EDU
Distribution: world
Organization: The ARPA Internet
Lines: 36

Steve,

Whether you have 80 track or 40 track capability on your Shugart disk
drives can easily be determined by matching the model number to the list
below.  Shugart drives have a white or silver tag (usually at the back
of the drive) that contains this infomation.  Here is the description by
model number.

SA400 - 180KB, 40 track, single-sided, full height 5.25" floppy disk
drive
SA410 - 360KB, 80 track, single-sided, full height 5.25" floppy disk
drive
SA450 - 360KB, 40 track, double-sided, full height 5.25" floppy disk
drive
SA455 - 360KB, 40 track, double-sided, half height 5.25" floppy disk
drive
SA460 - 720KB, 80 track, double-sided, full height 5.25" floppy disk
drive
SA465 - 720KB, 80 track, double-sided, half height 5.25" floppy disk
drive
SA475 - 1.2MB, 80 track, double-sided, half height 5.25" floppy disk
drive

Just to round out the list Shugart also sold two microfloppies:

SA300 - 360KB, 80 track, single-sided, 1.62" high 3.5" Microfloppy disk
drive
SA350 - 720KB, 80 track, double-sided, 1.62" high 3.5" Microfloppy disk
drive

[Note:  Capacities are typical formatted capacities.  Some drives may
say, 'Shugart 475' instead of 'SA475'.  It is all the same.]

Hope this helps,

--Mark