*BSD News Article 32528


Return to BSD News archive

Path: sserve!newshost.anu.edu.au!munnari.oz.au!yarrina.connect.com.au!harbinger.cc.monash.edu.au!msuinfo!agate!howland.reston.ans.net!EU.net!ieunet!news.ieunet.ie!jkh
From: jkh@whisker.hubbard.ie (Jordan Hubbard)
Newsgroups: comp.os.386bsd.questions
Subject: Re: Question about Bounce Buffers
Date: 07 Jul 1994 03:32:34 GMT
Organization: Jordan Hubbard
Lines: 15
Message-ID: <JKH.94Jul7033234@whisker.hubbard.ie>
References: <JKH.94Jun30125449@nx.ilo.dec.com> <thinmanCsJH82.BDn@netcom.com>
NNTP-Posting-Host: whisker.hubbard.ie
In-reply-to: thinman@netcom.com's message of Wed, 6 Jul 1994 22:02:25 GMT

In article <thinmanCsJH82.BDn@netcom.com> thinman@netcom.com (Technically Sweet) writes:

   >8) Improved sound support. Version 2.5 of Hannu Savolainen's VoxWare sound
   >   drivers. Supports SoundBlaster, PAS, GUS, and other common sound boards.

   Ummmmm....  how do DMA-based ISA sound cards work in >16Meg machines?
   Does the VoxWare driver do bounce buffers too?

Due to the way that their DMA buffers are pre-allocated, they set
themselves up to always DMA at an address <16MB.  The problem simply
doesn't come up.

					Jordan
--
Jordan K. Hubbard	FreeBSD core team	Clams are your friends