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Date:      Wed, 8 Nov 1995 03:09:24 +0000 ()
From:      Michael Smith <msmith@atrad.adelaide.edu.au>
To:        gurney_j@efn.org
Cc:        msmith@atrad.adelaide.edu.au, lmcsato@lmc.ericsson.se, questions@FreeBSD.org
Subject:   Re: IDE HD > 1Gb
Message-ID:  <199511080309.DAA05745@genesis.atrad.adelaide.edu.au>
In-Reply-To: <Pine.NEB.3.91.951107191102.20476A-100000@nike.efn.org> from "John-Mark Gurney" at Nov 7, 95 07:12:53 pm

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John-Mark Gurney stands accused of saying:
> > No.  The "truth" is that it is impossible for the MBR code, which uses
> > the BIOS, to load _any_ operating system from beyond the 1024 cylinder 
> > mark.
> 
> I haven't tried this... but is it possible if you bios supports setting 
> the cylinders > 1024?  My AMI bios allows you to... but I haven't tried 
> adding a root partition >1024...

No.  The cylinder value as passed to the BIOS int13 call is _by_definition_
limited to 10 bits, or 1024.  

In this context, it simply _cannot_ be done.

> John-Mark

-- 
]] Mike Smith, Software Engineer        msmith@atrad.adelaide.edu.au    [[
]] Genesis Software                     genesis@atrad.adelaide.edu.au   [[
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