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Date:      Tue, 2 Jan 96 17:14:47 CST
From:      laufen@sol.med.ge.com (Derek Laufenberg  x7-4534)
To:        laufen@sol.med.ge.com, terry@lambert.org
Cc:        msmith@atrad.adelaide.edu.au, marino.ladavac@aut.alcatel.at, hackers@FreeBSD.ORG
Subject:   Re: HELP!!! THIS IS AN EMERGENCY (fwd)
Message-ID:  <9601022314.AA29241@merak.med.ge.com>

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> 
> The 500M limit comes from the BSD inability to talk to the controller
> using an LBA adressing mechanism.  The BSD *does* see the OnTrack and
> do the 64 sector offsetting.
> 
> The kernel has to locate the disklabel and remount root, which means
> it use the C/H/S value and the non-LBA interface (because it uses a
> protected mode driver, the TSR doesn't do anything for it).
> 
> 
> 
> You should be *extremely* careful when booting a floppy and then using
> an FDISK or whatever to manipulate the partition table.  In particular,
> the old "fdisk/mbr after booting from a DOS floppy" will murder the
> OnTrack boot code and render your data unusable unless you happen to
> have one of the OnTrack 6.x/7.x disks to reinstall, and are prepared
> to go hacking the partition table at the 65th sector after the reinstall.
> 

The flavor of OnTrack (6.2 i think) allows you to boot a floppy 
after it has loaded so you can keep your Int 13 handler the same.  I don't
remember this in the older versions.

Do you know if this sort of thing is fixed with Win95 or is it still stupid
about big disks?

> 
> 					Terry Lambert
> 					terry@lambert.org
> ---
> Any opinions in this posting are my own and not those of my present
> or previous employers.
> 



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