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Date:      Sat, 16 Apr 2005 23:50:00 +0700
From:      Alexey Dokuchaev <danfe@regency.nsu.ru>
To:        sthaug@nethelp.no
Cc:        freebsd-current@freebsd.org
Subject:   Re: strtonum(3) in FreeBSD?
Message-ID:  <20050416165000.GA69374@regency.nsu.ru>
In-Reply-To: <13591.1113660644@bizet.nethelp.no>
References:  <4261185D.1060202@gamersimpact.com> <13591.1113660644@bizet.nethelp.no>

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On Sat, Apr 16, 2005 at 04:10:44PM +0200, sthaug@nethelp.no wrote:
> > > K may so be 1024, but M may not, because M must be 1000000,
> > > always. SI prefices are the same among all units.
> > 
> > When talking about digital data storage K means times 2^10, M means 
> > times 2^20, G means 2^30 and T means 2^40.
> > 
> > 1K = 1 * 2^10 bytes = 1024 bytes
> > 1M = 1 * 2^20 bytes = 1048576 bytes
> > 1G = 1 * 2^30 bytes = 1073741824 bytes
> 
> The disk drive manufacturers seem to disagree with you. For instance
> Seagate:
> 
> http://www.seagate.com/products/discselect/glossary/index.html#cap
> 
> "Most disc drive companies, including Seagate, calculate disc capacity
> based on the assumption that 1 megabyte = 1000 kilobytes and 1
> gigabyte=1000 megabytes."

So their drives look bigger than they really are.  Duh!

./danfe



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