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Path: sserve!newshost.anu.edu.au!harbinger.cc.monash.edu.au!msuinfo!uwm.edu!lll-winken.llnl.gov!ames!newsfeed.gsfc.nasa.gov!news!kstailey From: kstailey@leidecker.gsfc.nasa.gov (Kenneth Stailey) Newsgroups: comp.unix.bsd Subject: Re: HELP: installing netbsd+64mb RAM+adaptec Date: 14 Nov 1994 04:16:17 GMT Organization: NASA Goddard Space Flight Center -- Greenbelt, Maryland USA Lines: 15 Message-ID: <KSTAILEY.94Nov13231617@leidecker.gsfc.nasa.gov> References: <1994Nov11.071053.26169@slate.mines.colorado.edu> <1994Nov11.071527.130451@slate.mines.colorado.edu> <39vogs$78p@dagny.galt.com> <MICHAELV.94Nov11143004@mindbender.headcandy.com> <3a1f98$pil@pdq.coe.montana.edu> NNTP-Posting-Host: leidecker.gsfc.nasa.gov Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit In-reply-to: nate@bsd.coe.montana.edu's message of 12 Nov 1994 04:11:20 GMT >>What FreeBSD has is a hack to fix the ISA bus behavior. A necessary >>hack because of the Neanderthal design of the ISA bus. > >I wouldn't call it a hack. The ISA bus was designed when 16MB was a >*LOT* of memory. It was a design decision that made sense when the 8088 >was hot stuff, but as memories got larger the need for a bigger and >faster bus became greater. ISA == early 1980's. That's a millenium in >technology. OH I See! Using software to disable DMA by doing memory-to-memory copies is an elegant design decision. And black is white. A hack is a hack! Ken