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Newsgroups: comp.unix.bsd.freebsd.misc Path: euryale.cc.adfa.oz.au!newshost.anu.edu.au!harbinger.cc.monash.edu.au!news.cs.su.oz.au!metro!metro!munnari.OZ.AU!news.mel.connect.com.au!news.mira.net.au!inquo!news.seinf.abb.se!nooft.abb.no!Norway.EU.net!nntp.uio.no!news.cais.net!newsfeed.internetmci.com!docws001!ottnews!tomqnx.tomqnx.com!tom From: Tom Torrance at home <tom@tomqnx.com> Subject: Re: Help! BSD doesn't recognize new Memory In-Reply-To: <Dt53My.q9@info.elvisti.kiev.ua> X-Nntp-Posting-Host: 159.249.8.221 Content-Type: TEXT/PLAIN; charset=US-ASCII Message-ID: <Pine.NEB.3.93.960617200228.499B-100000@tomqnx.tomqnx.com> Sender: usenet@ottnews.shl.com (News Administrator) Organization: SHL Systemhouse Inc. (Ottawa) References: <4pnp56$m6@larry.rice.edu> <Dt53My.q9@info.elvisti.kiev.ua> Mime-Version: 1.0 Date: Tue, 18 Jun 1996 00:06:22 GMT Lines: 27 On Mon, 17 Jun 1996, Andrew V. Stesin wrote: > John Paul Campbell (jpc) wrote: > : I just installed 2 16 meg simms. BIOS found them just fine and even Win95 > : recognized them. However both Linux and FreeBSD show only 16M (had 8 > : previously). What else must be done? > > A shot to the dark: do you have a "memory hole" enabled in > your BIOS? Disable if yes. > > Try to add some waitstates to RAM access, and between cache and > RAM. > > : Help please. > > : Thanks in advance. > > : John Another shot in the dark --> does your kernel have the double buffering support for DMA compiled into it? If not, it would not work properly with more than 16 Meg. DMA hardware cannot address above 16 Meg. -- tom@tomqnx.com Tom Torrance 27 Dayton Cr., Nepean Ont., Canada K2H 7N8 My opinions are personal, and not those of my employer.