Subject: Re: unbootable new disk?
To: None <firstname.lastname@example.org>
From: Michael van Elst <email@example.com>
Date: 11/27/2004 08:54:28
firstname.lastname@example.org (Steve Bellovin) writes:
>BIOS disk geometry:
>cylinders: 1024, heads: 240, sectors/track: 63 (15120 sectors/cylinder)
>total sectors: 268435455
That is exactly 128GB minus 1 sector which is the maximum size
you can address with LBA32.
>Why do the BIOS and NetBSD number of sectors disagree?
I would guess the BIOS doesn't know about LBA48 or tries to
hide a drive requiring LBA48 from dumb OSes.
Michael van Elst
"A potential Snark may lurk in every tree."