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Newsgroups: comp.os.386bsd.misc Path: sserve!newshost.anu.edu.au!harbinger.cc.monash.edu.au!msuinfo!agate!tfs.com!julian From: julian@tfs.com (Julian Elischer) Subject: Re: > 16 megs of ram on FreeBSD 1.1.5 Message-ID: <CurswE.IML@tfs.com> Organization: TRW Financial Systems, Oakland, CA References: <32og7cINNhaj@soccer.cis.ohio-state.edu> <330dul$7au@clavin.uprc.com> Date: Fri, 19 Aug 1994 07:02:38 GMT Lines: 24 In article <330dul$7au@clavin.uprc.com>, LaCoursiere J. D. (Jeff) <z056716@uprc.com> wrote: > >ISA architectures still cannot access > 16M with FreeBSD. THIS IS NOT TRUE! 1/ before 1.1.5 systems using ISA DMA devices (e.g. adaptec 1542) could only access < 16MB. Bounce buffer support was added in 1.1.5 (or was that 1.1?) 2/ systems using ISA Programmed IO only (e.g. IDE drives) could access > 16MB in version1.0 (and 386bsd before that) 3/ obviously systems using VESA or PCI or EISA DMA have access to > 16MB.. in other words.. as of 1.1.5 (1.1? I can't remember) all FreeBSD systems can accesss > 16MB and most NetBSD systems can do so as well, (though I'm not sure if they have bounce buffer support for aha1542s yet.. julian