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Path: euryale.cc.adfa.oz.au!newshost.anu.edu.au!harbinger.cc.monash.edu.au!munnari.OZ.AU!news.mel.connect.com.au!news.mira.net.au!inquo!news.uoregon.edu!hunter.premier.net!news-res.gsl.net!news.gsl.net!swrinde!cs.utexas.edu!geraldo.cc.utexas.edu!piglet.cc.utexas.edu!not-for-mail From: nichols@ccwf.cc.utexas.edu (Stewart Nichols) Newsgroups: comp.unix.bsd.freebsd.misc Subject: Adaptec 1522 / 1542 DAT tape problems. Date: 27 Jul 1996 00:24:16 -0500 Organization: The University of Texas at Austin Lines: 19 Message-ID: <4tc960$k52@piglet.cc.utexas.edu> NNTP-Posting-Host: piglet.cc.utexas.edu Certain DAT tape drives work with the Adaptec 1542cf, but not with the 1522A. The Sony SDT-5200 is one. It has no problems working with the 1542cf, but the system hangs when I try to do dumps to it from the 1522A. I have had similar problems with an Exabyte DAT drive. Both of these DAT drives say that they are "Type 1, SCSI 2" drives, and they have fixed 512 byte blocks. A DEC TLZ06 variable length block DAT drive seems to work fine with either host adapter. Can someone tell me whether the problem is with the AIC driver, or is it some inherent problem with the 1522A host adapter??? stu nichols@ccwf.cc.utexas.edu