Date: Thu, 20 Sep 2007 09:22:00 +0200 (CEST) From: Wojciech Puchar <wojtek@wojtek.tensor.gdynia.pl> To: jekillen <jekillen@prodigy.net> Cc: FreeBSD Mailing List <freebsd-questions@freebsd.org> Subject: Re: Hard drive RPM Message-ID: <20070920091920.H10999@wojtek.tensor.gdynia.pl> In-Reply-To: <7f28909c2f575ccd98796e2af18d4e05@prodigy.net> References: <7f28909c2f575ccd98796e2af18d4e05@prodigy.net>
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> not a case of misrepresentations that I have found on network > attached hard disk storage devices and Firewire drives. > I have one that was expressly advertised on the package to be > 120 Gb capacity, and in fact only 111Gb are available for storage. common marketlie: telling capacity not in gigabytes (2^30) but in billions of bytes. in computers giga always meant 2^30 (like mega 2^20 and kilo 2^10) but they found just another place to lie. on all (most) drive there are numbers of sectors written on label. one sector is half a REAL kilobyte, divide it by 2^21 to get gigabyte count.
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