*BSD News Article 67152


Return to BSD News archive

Path: euryale.cc.adfa.oz.au!newshost.anu.edu.au!harbinger.cc.monash.edu.au!news.rmit.EDU.AU!news.unimelb.EDU.AU!munnari.OZ.AU!news.ecn.uoknor.edu!news.cis.okstate.edu!newsfeed.ksu.ksu.edu!news.physics.uiowa.edu!math.ohio-state.edu!howland.reston.ans.net!swrinde!newsfeed.internetmci.com!in2.uu.net!news.roundabout.org!news.demon.co.uk!dispatch.news.demon.net!demon!news.noc.demon.net!bob.support.demon.net!rlf
From: rlf@demon.net (Robert Leon Felix)
Newsgroups: comp.unix.bsd.netbsd.misc
Subject: Re: DMA beyond end of ISA
Date: 29 Apr 1996 19:41:37 GMT
Organization: Demon Internet Network Operations Centre
Lines: 23
Message-ID: <4m361h$cve@info.noc.demon.net>
References: <4lqvhh$aa@kayless.thalgah.org> <DqMABn.GJ9@ips.cs.tu-bs.de>
NNTP-Posting-Host: bob.support.demon.net
X-Newsreader: TIN [version 1.2 PL2]

Juergen Hannken-Illjes (hannken@eis.cs.tu-bs.de) wrote:
: In article rlf@thalgah.org (Robert Leon Felix) writes:
: >
: >OK an easy one for you this time, 'DMA beyond end of ISA', I've
: >heard of this before but know not of the fix.
: > 
: >I know it's something to do with >16MB RAM and hope (pray) it doesn't
: >mean I need to change my controller!

: Adaptec 1542CF's are busmaster dma controllers. There is no support for
: busmaster dma on ISA machines with more than 16MB Ram (yet). There is an
: unofficial patch for NetBSD-current at
: 	ftp://bseis.eis.cs.tu-bs.de/pub/hannken/isadma-patch
: -- 
: Juergen Hannken-Illjes - hannken@eis.cs.tu-bs.de - TU Braunschweig (W Germany)


Thanks to all for the advice, I'll try the patch.
--
===================================================================
Rob...
		!rsh kayless cat ~rlf/docs/disclaimer.txt
===================================================================