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Path: sserve!newshost.anu.edu.au!harbinger.cc.monash.edu.au!news.mira.net.au!news.netspace.net.au!serval.net.wsu.edu!netnews.nwnet.net!oracle.pnl.gov!osi-east2.es.net!lll-winken.llnl.gov!sol.ctr.columbia.edu!howland.reston.ans.net!vixen.cso.uiuc.edu!newsrelay.iastate.edu!news.iastate.edu!wallaby.cc.iastate.edu!explorer From: explorer@iastate.edu (Michael Graff) Newsgroups: comp.os.386bsd.questions Subject: Re: drivers for NCR53c810 and 3com 509... Date: 23 Jan 95 02:28:28 GMT Organization: Iowa State University, Ames, Iowa Lines: 16 Message-ID: <explorer.790828108@wallaby.cc.iastate.edu> References: <ccs.790159245@ctdnet> <3fb5g5$7dd@ici-paris.ensta.fr> NNTP-Posting-Host: wallaby.cc.iastate.edu In <3fb5g5$7dd@ici-paris.ensta.fr> bouyer@ensta.fr (Manuel Bouyer) writes: >NetBSD doesn't implement bounce buffers, but the problem of more than 16 >meg of ram is only (i think) for isa scsi adapters. I have 32 meg of ram >on my pentium, an i use a NE2000 and a 3c509 (both isa) whithout > any problems. I don't know if the 509 uses DMA, but even if it does, unless it bypasses the on-board DMA controllers (i.e, bus-mastering) it doesn't matter. NetBSD supports bounce buffers for things which use the system board DMA controllers. -- Michael Graff <explorer@iastate.edu> Speaking for myself, not Project Vincent Voice: (515)294-4994 for ISU or the ISUCC Iowa State Univ Comp Center Fax: (515)294-1717 Ames, IA 50011 http://www.public.iastate.edu/~explorer