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Date:      Mon, 23 Sep 2002 15:18:57 -0000
From:      Sten Poldma <exile@chamber.ee>
To:        Katsushi Kobayashi <ikob@koganei.wide.ad.jp>, exile@chamber.ee
Cc:        freebsd-firewire@FreeBSD.ORG
Subject:   Re: 28bit address limitation on HD
Message-ID:  <20020923171857.re4bt81isgg8k@.chamber.ee>

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Hi,

Thanks for the response, that's probably it, The bridge uses the Oxford chipset,
which probably does not support the 48 bit mode.

I'm sure a new box will remedy the problem.

Thanks again,

Sten

Katsushi Kobayashi <ikob@koganei.wide.ad.jp> said:

>
> I have not had any experience on the such disk size of IEEE1394 disk.
>
> If you are using IEEE1394/IDE bridge or similar one, let me know
> the product information. Or if you have an experience on other OS,
> let me know whether to success to detect size in correct.
>
>
> On 2002.Sep.23, at 09:19  PM, Sten Poldma wrote:
>
> >
> > Hi,
> >
> > I'm Sorry if the following is not firewire related but depends on
> > other system
> > components instead.
> >
> > I'm using the newest firewire driver
> > (http://people.freebsd.org/~simokawa/firewire-20020918.tar.gz)
> >
> > To test a 160GB IDE drive (in a box), through the CAM and passthrough
> > drivers I
> > have no problem locating the device (da0) but the geometry of the
> > drive found
> > makes me believe that there is a 28bit addressing mode bottleneck
> > somewhere as
> > the log reports that 268435455 512 byte sectors found. (~131GB) (I
> > believe
> > 268435456 being the 28bit limit?)
> >
> > Although using it is OK I'm still wondering if it would be possible to
> > locate
> > the missing 20GB before the disk actually goes into active use.
> >
> > I'd like to know what is causing this limitation?
> >
> >> From the hardware I have:
> >
> > FreeBSD 4.4 -> make buildworld to 4.6.2, latest
> > kernel: 4.7-RC FreeBSD 4.7-RC #0: Sun Sep 22 01:39:47 EET 2002
> > Firewire PCI card: fwohci0: <Texas Instruments TSB12LV26>
> > and a Western Digital 160GB drive in a standard firewire box.
> >
> > Again, accept my apologies if this is the wrong place to request
> > help\clarification on the matter but any help or hint is appreciated.
> >
> > Have a nice day,
> >
> > Sten
> >
> > To Unsubscribe: send mail to majordomo@FreeBSD.org
> > with "unsubscribe freebsd-firewire" in the body of the message
>




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