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Date: Wed, 28 May 1997 09:33:37 +0300
From: Nadav Eiron <nadav@barcode.co.il>
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Subject: Re: Can one dual boot fbsd?  No?  (was Re: wd0/sd0 can't boot from s
References: <199705280432.VAA08213@train.tgci.com>
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Riley J. McIntire wrote:
> 
> Hmmm...maybe I'm not clear.  I would like to know if one can dual
> boot two versions of fbsd residing on two disks:  One an ide
> and one a scsi?

Never tried it, but it should be possible.

> 
> Cheers,
> 
> Riley
> 
> > Just installed 2.2.2-release on the only scsi drive in my
> > system--disabled the ide controller in cmos from previous experience.
> >
> > Anyway, install goes ok, boots ok.  Enabled the ide drive, which has
> > 2.1.7 on it.  Gets the boot prompt F1 -DOS, F2-2.1.7 and F5 2nd DISK.
> >
> > Press F5 and get "F?".  I've seen this before, and done the fixes
> > recommended by assuming this is a geometry problem.  It doesn't seem
> > to be.
> >
> > Used booteasy 2 beta (8?).  No help.
> >
> > When F2 is pressed (ide drive 2.1.7) at the boot prompt I type in
> > sd(0,a)/kernel and it boots wd(0,a)/kernel with no errors.  That is
> > it *seems* to take the arguement "sd(0,a)" but runs wd(0,a) and it
> > ends up running 2.1.7, not 2.2.2-R.

Try giving:
1:sd(0,a)/kernel

at the boot prompt. Also make sure your SCSI disk is bootable (i.e. your
BIOS should know about it).

[snip]

Never tried it myself, but it just may work,
Nadav