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Newsgroups: comp.os.386bsd.questions Path: sserve!newshost.anu.edu.au!munnari.oz.au!foxhound.dsto.gov.au!fang.dsto.gov.au!yoyo.aarnet.edu.au!news.adelaide.edu.au!news.cs.su.oz.au!harbinger.cc.monash.edu.au!yeshua.marcam.com!MathWorks.Com!europa.eng.gtefsd.com!news.umbc.edu!haven.umd.edu!ames!cnn.nas.nasa.gov!wilbur.nas.nasa.gov!tweten From: tweten@wilbur.nas.nasa.gov (Dave Tweten) Subject: Re: QIC 150 density Message-ID: <CnwqB9.GoC@nas.nasa.gov> Sender: news@nas.nasa.gov (News Administrator) Nntp-Posting-Host: wilbur.nas.nasa.gov Organization: NAS Systems Division, NASA Ames References: <char76O00VBL0UsUx2@andrew.cmu.edu> <2o12trINN4ou@bonnie.sax.de> Date: Thu, 7 Apr 1994 20:59:32 GMT Lines: 35 In article <2o12trINN4ou@bonnie.sax.de> j@uriah.sax.de (J Wunsch) writes: >In <char76O00VBL0UsUx2@andrew.cmu.edu> Timothy J Kniveton <tim+@CMU.EDU> writes: >>what should i set the density to on my QIC 150 drive? >QIC doesn't handle different densities or blocksizes. Simply uses 512-byte >blocks. Actually, not true. QIC-525 and QIC-1350 drives automatically handle variable block sizes and several tape densities too. QIC-150 drives (as owned by the original poster) will automatically handle several densities, though only fixed block size. From the documentation that came with my Connor CS525Q QIC-525 drive: Drive Model Drive Type Reads Tapes Writes Tapes ----------- ---------- ----------- ------------ CS250Q QIC-150 QIC-150 QIC-150 QIC-120 QIC-120 QIC-24 CS525Q QIC-525 QIC-525 QIC-525 QIC-150 QIC-150 QIC-120 QIC-120 QIC-24 CS1350Q QIC-1350 QIC-1350 QIC-1350 QIC-1000 QIC-1000 QIC-525 QIC-525 QIC-150 QIC-150 QIC-120 QIC-120 QIC-24 -- --------------------------------------------------------------------------- Dave Tweten tweten@nas.nasa.gov NASA Ames Research Center, M/S 258-5 (415) 604-4416 Moffett Field, CA 94035-1000 FAX: (415) 604-4377