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From: mlelstv@serpens.rhein.de (Michael van Elst)
Newsgroups: comp.unix.bsd.netbsd.misc
Subject: Re: sd0: DMA beyond ISA whazzat?
Date: 22 Nov 1995 10:33:30 +0100
Organization: dis-
Lines: 23
Message-ID: <48uqpa$j5j@serpens.rhein.de>
References: <48snme$1p1g@info4.rus.uni-stuttgart.de>
NNTP-Posting-Host: serpens.rhein.de
schweikh@zeiss.ito.uni-stuttgart.de (Jens Schweikhardt) writes:
>recently while compiling a new kernel (i386) I got the following
>messages:
> sd0: DMA beyond ISA
>(zillions of these lines, in fact). Is there anything
>I can do - apart from removing 4MB of the 20MB RAM I have -
>to make "DMA beyond ISA" work? I've looked at the FAQ
>but could not find something addressing this.
>Have I been blind?
NetBSD 1.0 does not implement bounce buffers to fix hardware limits.
NetBSD 1.1 does implement bounce buffers for some (all ?) drivers
that need them.
Regards,
--
Michael van Elst
Internet: mlelstv@serpens.rhein.de
"A potential Snark may lurk in every tree."