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Subject: Re: Busmaster DMA broken in 2.4.18 on Alpha
To: Jay.Estabrook@compaq.com (Jay Estabrook)
Date: Mon, 11 Mar 2002 15:45:42 +0000 (GMT)
Cc: ink@jurassic.park.msu.ru (Ivan Kokshaysky), garloff@suse.de (Kurt Garloff),
        jochen@scram.de (Jochen Friedrich), linux-kernel@vger.kernel.org,
        rth@twiddle.net (Richard Henderson)
In-Reply-To: <20020311100200.A1181@linux04.mro.cpqcorp.net> from "Jay Estabrook" at Mar 11, 2002 10:02:00 AM
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From: Alan Cox <alan@lxorguk.ukuu.org.uk>
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> There are ISA cards, regardless of what ISA bus machine they are
> plugged into, that are able to generate only something less than
> 32-bits worth of address. I believe that the Adaptec 1540 SCSI

All busmasters in fact. There are only 24 address wires on the ISA bus. That
covers stuff from tpqic02 through pcnet/isa, lance and aha154x.

Alan
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