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- Newsgroups: comp.sys.sgi
- Path: sparky!uunet!usc!sdd.hp.com!saimiri.primate.wisc.edu!ames!sgi!fido!zola!zuni!anchor!olson
- From: olson@anchor.esd.sgi.com (Dave Olson)
- Subject: Re: Maxtor Tahiti II troubles
- Message-ID: <tmquac0@zuni.esd.sgi.com>
- Sender: news@zuni.esd.sgi.com (Net News)
- Organization: Silicon Graphics, Inc. Mountain View, CA
- References: <1992Dec14.221159.21177@leland.Stanford.EDU> <matt-151292132410@wardmac2.med.yale.edu>
- Date: Thu, 17 Dec 92 05:33:07 GMT
- Lines: 24
-
- In <matt-151292132410@wardmac2.med.yale.edu> matt@wardsgi.med.yale.edu (Matt Healy) writes:
- | We bought our Tahiti II directly from MaxOptix. After much
- | difficulty we finally found out that S1 #7, labelled
- | "disable unit attention" must be ON when the drive is
- | connected to a Macintosh. Since the error messages you
- | quote mention "unit attention" I suspect this is also
- | true for SGI drives. The Unit Attention state occurs
-
- Wrong! In fact, if it is off, various things won't quite work
- right. The mac (actually, I understand newer Macs work right)
- doesn't understand unit attention and request sense. We definitely
- do, and want that unit attention when appropriate!
-
- | when a SCSI bus reset takes place; it is a way for the
- | drive to tell the controller "check my status BEFORE you
- | do anything else." Many controllers ignore this
- | request, and try to acces the drive anyway.
-
- Many *low end, poor SCSI implementations*. We don't fall into
- that category, thank you...
- --
- Let no one tell me that silence gives consent, | Dave Olson
- because whoever is silent dissents. | Silicon Graphics, Inc.
- Maria Isabel Barreno | olson@sgi.com
-