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Xref: sserve comp.os.386bsd.questions:5447 comp.periphs.scsi:14257 Path: sserve!newshost.anu.edu.au!munnari.oz.au!news.Hawaii.Edu!ames!agate!howland.reston.ans.net!pipex!sunic!isgate!veda.is!adam From: adam@veda.is (Adam David) Newsgroups: comp.os.386bsd.questions,comp.periphs.scsi Subject: Re: CDs and SCSI Message-ID: <CE2AF7.AA@veda.is> Date: 28 Sep 93 11:25:40 GMT References: <CE29yI.IKt@festival.ed.ac.uk> Organization: Veda Systems, Iceland Lines: 15 richard@castle.ed.ac.uk (Richard Tobin) writes: >There seem to be numerous CD rom drives on sale that are sold with >SCSI adaptors much cheaper than the adaptors supported by BSD (Adaptec >etc). What is the difference between these adaptors and the supported >ones? Obviously they may require different drivers, but are the >adaptors themselves inherently less capable? You might find that they are not DMA busmasters, so you could end up using more CPU cycles pushing all that data around. You might also find them slower for this or any other number of reasons. Wasn't someone working on an ST-02 driver? -- adam@veda.is