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Date:      Sat, 23 Nov 1996 22:45:23 -0800 (PST)
From:      "Rodney W. Grimes" <rgrimes@GndRsh.aac.dev.com>
To:        jkh@time.cdrom.com (Jordan K. Hubbard)
Cc:        msmith@atrad.adelaide.edu.au, fenner@parc.xerox.com, freebsd-current@freebsd.org, jkh@freebsd.org, phk@freebsd.org
Subject:   Re: 2.2-ALPHA install failure
Message-ID:  <199611240645.WAA02008@GndRsh.aac.dev.com>
In-Reply-To: <541.848814950@time.cdrom.com> from "Jordan K. Hubbard" at "Nov 23, 96 09:55:50 pm"

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> > Humm... let me see... if I get this right (I don't use sysinstall, but
> > I have seen this X/1/1 translation thing it does) sysinstall defaults to
> > a X/1/1 translation, and even goes so far as to write that into the
> > MBR on a ``dangerously dedicated'' install.
> 
> This was what phk recommended as proper "hint" values for libdisk in
> the dangerously-dedicated case.  What would you suggest instead?

As ``hint'' values I would suggest X/64/32 (C/H/S) for SCSI drives,
for IDE, well, hummmm... I don't really have a lot to say there, as
every single scsi controller I can think of _can_ deal with that translation,
and it gives you at least 1G of area.  Bruces suggested values of
X/64/255 cause problems for the controllers that use a different extended
tranlation set (ie, X/63/256, X/64/256, and some other strange ones).


-- 
Rod Grimes                                      rgrimes@gndrsh.aac.dev.com
Accurate Automation, Inc.                   Reliable computers for FreeBSD



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