Path: utzoo!utgpu!news-server.csri.toronto.edu!cs.utexas.edu!usc!srhqla!demott!kdq
From: kdq@demott.COM (Kevin D. Quitt)
Newsgroups: comp.binaries.ibm.pc.d
Subject: Re: Unformatted vs. Formatted capacity
Message-ID: <1014@demott.COM>
Date: 23 Nov 90 19:30:07 GMT
References: <36113@cup.portal.com>
Reply-To: kdq@demott.COM (Kevin D. Quitt)
Organization: DeMott Electronics Co., Van Nuys CA
Lines: 30

In article <36113@cup.portal.com> Bob_BobR_Retelle@cup.portal.com writes:
>Unformatted capacity of a disk is a measure of the raw information storage
>ability of the media.  Number of tracks times number of sectors per track
>times bytes per sector equals unformatted capacity.

    Correct.


>Formatted capacity of a disk is the available data storage regions AFTER
>such "overhead" areas as sync bytes, track header bytes, sector header and
>intersector gaps,

    Correct


>                  FAT tables, directories, and boot sectors have been written
>to the disk.

    Incorrect.  Only the data necessary for allowing physical sector
read/writes is considered overhead.  The rest of these examples are data.



-- 
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Kevin D. Quitt         demott!kdq   kdq@demott.com
DeMott Electronics Co. 14707 Keswick St.   Van Nuys, CA 91405-1266
VOICE (818) 988-4975   FAX (818) 997-1190  MODEM (818) 997-4496 PEP last

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