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Path: sserve!newshost.anu.edu.au!harbinger.cc.monash.edu.au!bunyip.cc.uq.oz.au!munnari.oz.au!news.Hawaii.Edu!ames!hookup!news.moneng.mei.com!uwm.edu!psuvax1!news.pop.psu.edu!hudson.lm.com!news.galt.com!phred.ws.cc.cmu.edu!alex From: alex@pc.cc.cmu.edu (alex wetmore) Newsgroups: comp.unix.bsd Subject: Re: HELP: installing netbsd+64mb RAM+adaptec Date: 11 Nov 1994 12:36:43 GMT Organization: Phred Networking Lines: 15 Message-ID: <39vogs$78p@dagny.galt.com> References: <1994Nov11.071053.26169@slate.mines.colorado.edu> <1994Nov11.071527.130451@slate.mines.colorado.edu> NNTP-Posting-Host: phred.ws.cc.cmu.edu X-Newsreader: TIN [version 1.2 PL2] Ade Barkah (mbarkah@slate.mines.colorado.edu) wrote: > I'm trying to install NetBSD 1.0 via floppies to my system. > This machine is a DECpc 486 class machine, 64 megabytes > of memory, with a 1 gigabyte SCSI drive attached an > Adaptec SCSI host adapter (1542 series.) NetBSD doesn't support DMA transfers on the ISA bus on machines with more than 16 megs. You can use a VLB or EISA based SCSI controller (in 32-bit mode) and things should work. FreeBSD has bounce buffers which solve the problem. You get a slight performance hit, but it will work on your system. FreeBSD-2.0-ALPHA just came out yesterday. alex