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Path: sserve!newshost.anu.edu.au!harbinger.cc.monash.edu.au!msuinfo!agate!howland.reston.ans.net!europa.eng.gtefsd.com!news.mathworks.com!usenet.eel.ufl.edu!usenet.cis.ufl.edu!anshar.shadow.net!usenet From: Don Whiteside <dwhite@shadow.net> Newsgroups: comp.os.386bsd.questions Subject: Re: IDE vs SCSI -- FreeBSD 1.1.5.1 Date: Sat, 05 Nov 94 11:00:52 PDT Organization: Shadow Information Services, Inc. Lines: 13 Message-ID: <39ga7q$9o1@anshar.shadow.net> References: <39f2m5$8aj@usenet.INS.CWRU.Edu> NNTP-Posting-Host: ppp-14.shadow.net Mime-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII X-Newsreader: NEWTNews & Chameleon -- TCP/IP for MS Windows from NetManage In article <39f2m5$8aj@usenet.INS.CWRU.Edu>, <dh950@cleveland.Freenet.Edu> writes: > Does anyone know the advantages of installing FreeBSD on the IDE > or SCSI drive. I am in the process of buying a machine adn would > like to know the differences between the two drives. My understanding is that IDE does not do DMA transfers. So under a multitasking OS like Unix, every other process will come to a griding halt during disk reads and writes. SCSI also has a higher theoretical xfer rate, though your milage may vary depending on drive, card, etc.