*BSD News Article 29143


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From: jkh@whisker.hubbard.ie (Jordan K. Hubbard)
Newsgroups: comp.os.386bsd.development
Subject: Re: DMA bounce-buffers now implemented in FreeBSD-current
Date: 04 Apr 1994 01:39:20 GMT
Organization: Jordan Hubbard
Lines: 11
Distribution: world
Message-ID: <JKH.94Apr4023920@whisker.hubbard.ie>
References: <JKH.94Mar25161128@sentnl.ilo.dec.com> <JKH.94Mar27000401@whisker.hubbard.ie>
	<Cnor2s.15w@aeon.in-berlin.de>
NNTP-Posting-Host: whisker.hubbard.ie
In-reply-to: thomas@aeon.in-berlin.de's message of Sun, 3 Apr 1994 13:35:15 GMT

In article <Cnor2s.15w@aeon.in-berlin.de> thomas@aeon.in-berlin.de (Thomas Wolfram) writes:
   Could someone please explain what "broken DMA" of Bt445S means exactly?
   Does it mean it acts like a ISA busmaster DMA controller (16MB address
   space only) or what?

Right!  That's exactly it.  Revision D or E versions of this controller don't 
have the problem.

					Jordan
--
Jordan K. Hubbard	FreeBSD core team	Raving lunatic