*BSD News Article 50914


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From: j@bonnie.heep.sax.de (J Wunsch)
Newsgroups: comp.unix.bsd.freebsd.misc
Subject: Re: Q) Seagate geometry
Date: 14 Sep 1995 12:22:55 +0200
Organization: Private U**x site, Dresden.
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Message-ID: <438vpv$cng@bonnie.tcd-dresden.de>
References: <KEN.95Sep13083132@tyd1.tydfam.iijnet.or.jp>
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ken <ken@tyd1.tydfam.iijnet.or.jp> wrote:
>  Could anyone give me a geometry information (cyl,hd,sec)
>of Seagate ST12550N?
>  I tried to find it on www.seagate.com, but maybe it is
>obsoleted - there was no ST12550N.  FreeBSD 2.1.0-950726
>floppy complains that it cannot get correct geometry. 

You don't need the disk geometry, you need the geometry your BIOS
assumes the disk were.  For Adaptec, this is N * 32 * 64, with N being
the actual number of full megabytes (2^20 bytes) the disk has.
-- 
cheers, J"org                      private:   joerg_wunsch@uriah.heep.sax.de
                                   http://www.sax.de/~joerg/

Never trust an operating system you don't have sources for. ;-)