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Xref: sserve comp.os.linux.misc:15587 comp.os.linux.development:9470 comp.os.386bsd.development:2177 comp.os.386bsd.questions:10454 comp.sys.ibm.pc.hardware.systems:3183 comp.sys.ibm.pc.hardware.storage:5842 comp.sys.ibm.pc.hardware.misc:5659 comp.periphs.scsi:20740 Path: sserve!newshost.anu.edu.au!harbinger.cc.monash.edu.au!bunyip.cc.uq.oz.au!munnari.oz.au!spool.mu.edu!howland.reston.ans.net!vixen.cso.uiuc.edu!newsrelay.iastate.edu!news.iastate.edu!ponderous.cc.iastate.edu!michaelv From: michaelv@iastate.edu (Michael L. VanLoon) Newsgroups: comp.os.linux.misc,comp.os.linux.development,comp.os.386bsd.development,comp.os.386bsd.questions,comp.sys.ibm.pc.hardware.systems,comp.sys.ibm.pc.hardware.storage,comp.sys.ibm.pc.hardware.misc,comp.periphs.scsi Subject: Re: BusLogi 445S and DMA Channel (NEW ANSWER) Date: 27 May 94 02:26:18 GMT Organization: Iowa State University, Ames, Iowa Lines: 40 Message-ID: <michaelv.770005578@ponderous.cc.iastate.edu> References: <2rnjgs$g1l@news-rocq.inria.fr> <2rs5i1$6tl@news-rocq.inria.fr> <2rs8go$6tl@news-rocq.inria.fr> <2s2j80$1go@ebh.eb.ele.tue.nl> <JKH.94May27001218@nx.ilo.dec.com> NNTP-Posting-Host: ponderous.cc.iastate.edu In <JKH.94May27001218@nx.ilo.dec.com> jkh@nx.ilo.dec.com (Jordan Hubbard) writes: >In article <2s2j80$1go@ebh.eb.ele.tue.nl> wjw@ebh.eb.ele.tue.nl (Willem Jan Withagen) writes: >> Because this starts me wonder which kernel I should use with my 445S REV D >> board under FreeBSD. I'm using the AHA kernel which works great for 16Mb >> But I'm waiting for the 3.37 Eprom to go to 32MB. Should I use the BT >> kernels for FreeBSD >You can use the Bt driver *now* for your Rev D board with 16MB - I do I guess it just escapes me why someone would even *want* to use the non-BusLogic driver with a BusLogic board, when a BusLogic-specific driver exists! The reasoning fails to make its way through my brain... You have a BusLogic card -- use the BusLogic driver! How hard is that?... >Whether or not the 3.37 >eprom fixes the >16MB DMA problem is, however, still an open question >for ANY of the operating systems. Buslogic claims success with 3.37, >yet I've now seen more than a few reports that tend to indicate that >they did NOT fix the problem. I've also heard that the fault is not with the SCSI controller, but with the VLB circuitry. Some VLB slots do bus-mastering rather quite poorly. Maybe it's your motherboard that's causing you so much pain. Have you tried moving it to a different slot? It may be that you have one master slot and all the rest are slaves (or maybe no true mastering slot at all... ack :-P ). > Jordan -- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - Michael L. VanLoon Iowa State University Computation Center michaelv@iastate.edu Project Vincent Systems Staff Free your mind and your machine -- NetBSD free Un*x for PC/Mac/Amiga/etc. - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -