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Date:      Sun, 17 May 1998 01:07:19 +0200
From:      Andreas Klemm <andreas@klemm.gtn.com>
To:        "Justin T. Gibbs" <gibbs@plutotech.com>
Cc:        jbryant@unix.tfs.net, current@FreeBSD.ORG
Subject:   Re: ahc0 - translation for drives > 1G
Message-ID:  <19980517010719.A3600@klemm.gtn.com>
In-Reply-To: <199805162303.RAA23704@pluto.plutotech.com>; from Justin T. Gibbs on Sat, May 16, 1998 at 04:59:21PM -0600
References:  <19980516231040.A2524@klemm.gtn.com> <199805162303.RAA23704@pluto.plutotech.com>

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On Sat, May 16, 1998 at 04:59:21PM -0600, Justin T. Gibbs wrote:
> >> FreeBSD doesn't care very much about the translation.  The only time it
> >> matters is for booting.  For your boot device, you must ensure that the
> >> fdisk information matches the geometry set in the BIOS so that the boot
> >> blocks are placed in the correct location for the BIOS to find them.
> >
> >While we are at it ... could you explain to me, why I can't move
> >harddisks between different flavours of AHA2940 controllers ?
> 
> This is because you have different extended translation settings on the
> two cards and have disks greater than 1Gig that have not been partitioned
> using a consistent translation.  I switch between a 2940AU, 2940UW, 
> 2940U2W, and a 2940UW dual all the time in my test box and it boots just
> fine.

Hmm, ok, then it seems to be my fault. Thanks ... 

-- 
Andreas Klemm                                http://www.FreeBSD.ORG/~andreas
     What gives you 90% more speed, for example, in kernel compilation ?
          http://www.FreeBSD.ORG/~fsmp/SMP/akgraph-a/graph1.html
             "NT = Not Today" (Maggie Biggs)      ``powered by FreeBSD SMP''

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