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Date:      Mon, 17 Feb 1997 18:27:13 +0100 (MET)
From:      Luigi Rizzo <luigi@labinfo.iet.unipi.it>
To:        scrappy@hub.org (The Hermit Hacker)
Cc:        kuku@gilberto.physik.rwth-aachen.de, freebsd-hackers@freefall.freebsd.org
Subject:   Re: ccd and bounce buffers
Message-ID:  <199702171727.SAA04041@labinfo.iet.unipi.it>
In-Reply-To: <Pine.BSF.3.95.970217131634.23132G-100000@thelab.hub.org> from "The Hermit Hacker" at Feb 17, 97 01:17:26 pm

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> On Mon, 17 Feb 1997, Christoph Kukulies wrote:
> 
> > 
> > Is it definite that ccd doesn't work for ISA (be it SCSI or IDE)
> > due to bounce buffers being required?

I don't see the problem for IDE since it uses PIO mode and the CPU can
access memory anywhere.

	Luigi
-----------------------------+--------------------------------------
Luigi Rizzo                  |  Dip. di Ingegneria dell'Informazione
email: luigi@iet.unipi.it    |  Universita' di Pisa
tel: +39-50-568533           |  via Diotisalvi 2, 56126 PISA (Italy)
fax: +39-50-568522           |  http://www.iet.unipi.it/~luigi/
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