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Date:      Mon, 31 Jul 1995 07:22:18 +0200 (MET DST)
From:      J Wunsch <j@uriah.heep.sax.de>
To:        roberto@blaise.ibp.fr (Ollivier Robert)
Cc:        robin@rucus.ru.ac.za, freebsd-bugs@FreeBSD.org
Subject:   Re: Suggestion.
Message-ID:  <199507310522.HAA02131@uriah.heep.sax.de>
In-Reply-To: <199507301737.TAA07981@blaise.ibp.fr> from "Ollivier Robert" at Jul 30, 95 07:37:56 pm

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As Ollivier Robert wrote:
> 
> > I think most of you will only be using SCSI devices and so not have come
> > accross this problem much.  Suggestion: in the install program if the
> > installer tries to boot from the SCSI while IDE controller was detected,
> > warn them that this is impossible on the IBM PC platform.
> 
> It is not that impossible with our boot blocks. You can ask to boot from
> hd() instead of sd()/wd(). It will then boot from the SCSI drive. The boot
> blocks are to be on the IDE drive of course. Broken PC arch. again...

I don't think it's a question of the boot blocks.  It's a matter of
the BIOS chosing the IDE(s) as drives 0x80 and 0x81, and trying to
boot only off drives 0 and 0x80.

However, you could disable the IDE(s) in the BIOS and should get the
SCSI adapter hook its drives with SCSI ID(s) 0 and 1 in place for the
BIOS drives 0x80 and 0x81.  You won't be able to use the IDE(s) from
DOS then, but it should be possible to use them from FreeBSD.

-- 
cheers, J"org

joerg_wunsch@uriah.heep.sax.de -- http://www.sax.de/~joerg/
Never trust an operating system you don't have sources for. ;-)



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