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From: brown@nicmad.UUCP (Mr. Video)
Newsgroups: comp.sys.ibm.pc
Subject: Re: 720k on a standard disk? (comment)
Message-ID: <1842@nicmad.UUCP>
Date: Tue, 4-Aug-87 22:26:32 EDT
Article-I.D.: nicmad.1842
Posted: Tue Aug  4 22:26:32 1987
Date-Received: Fri, 7-Aug-87 04:59:54 EDT
References: <1802@bellcore.bellcore.com>
Reply-To: brown@nicmad.UUCP (Mr. Video)
Distribution: na
Organization: Mr. Video's Hangout
Lines: 14

In article <1802@bellcore.bellcore.com> hundt@wind.UUCP (tom hundt) writes:
<Sounds to me like the 1.2M drive is half-stepping... I seem to recall
<that this thing has 160 tracks...?  That would explain 720k.
<Anyone got an installable driver to do this?  Sounds like a great
<idea (albeit fostering yet more incompatibility).

A 1.2Mb floppy drive is a 96tpi drive, with 80 usable tracks, spinning at
a higher rate (360 vs 300) to achieve the higher data storage.  A 720Kb
5.25" floppy is a 96 tpi drive running at the normal rate.
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