*BSD News Article 94573


Return to BSD News archive

Path: euryale.cc.adfa.oz.au!newshost.carno.net.au!harbinger.cc.monash.edu.au!munnari.OZ.AU!news.ecn.uoknor.edu!feed1.news.erols.com!worldnet.att.net!newsxfer2.itd.umich.edu!news.uoregon.edu!newsfeed.orst.edu!newshub.tc.umn.edu!newsstand.tc.umn.edu!mercury.mikknet!chris
From: chris@mercury.mikknet (Christopher L. Mikkelson)
Newsgroups: comp.unix.bsd.freebsd.misc
Subject: Re: Are bounce buffers needed for pci
Date: 27 Apr 1997 23:13:32 GMT
Organization: University of Minnesota
Lines: 9
Message-ID: <5k0mis$cgv@epx.cis.umn.edu>
References: <5jvgrl$885$1@csnews.cs.colorado.edu>
NNTP-Posting-Host: pub-16-a-2.dialup.umn.edu
X-Newsreader: TIN [version 1.2 PL2]
Xref: euryale.cc.adfa.oz.au comp.unix.bsd.freebsd.misc:39848


>Are bounce buffers needed for the PCI bus ? The documentation (freebsd
>handbook) indicated that they are needed for ISA bus but ...

No, bounce buffers are only needed because ISA is kinda brain-dead.  PCI
fixed the problem that bounce buffers worked around.

in summary: nope :)

-Chris