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Date:      Fri, 14 Jan 2000 08:34:44 +1100
From:      Peter Jeremy <peter.jeremy@alcatel.com.au>
To:        "Rodney W. Grimes" <freebsd@gndrsh.dnsmgr.net>
Cc:        current@FreeBSD.ORG
Subject:   Re: Additional option to ls -l for large files
Message-ID:  <00Jan14.083445est.40323@border.alcanet.com.au>
In-Reply-To: <200001130552.VAA31097@gndrsh.dnsmgr.net>; from freebsd@gndrsh.dnsmgr.net on Thu, Jan 13, 2000 at 04:45:45PM %2B1100
References:  <8070C3A4E99ED211A63200105A19B99B3174AA@mail.edifecs.com> <200001130552.VAA31097@gndrsh.dnsmgr.net>

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On 2000-Jan-13 16:45:45 +1100, "Rodney W. Grimes" <freebsd@gndrsh.dnsmgr.net> wrote:
>All of the boot time reporting is in 2^20 MB:
>ad0: 3079MB (6306048 sectors), 6256 cyls, 16 heads, 63 S/T, 512 B/S
>
>Due the math if you doubt me, oh, and Quantum calls this a 3.2G disk
>drive :-)

6256*16*63*512 = 3,228,696,576 ~= 3.2*10^9 or 3079.1*2^20 or 3.007*2^30

Some manufacturers note that `1GB = 10^9 bytes' in the fine print.
Quantum can also state (correctly) that they are complying with the SI
standard.  This is still an improvement on the old approach of quoting
_unformatted_ capacity (which is ~50% more).

Peter


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