*BSD News Article 25368


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From: j@uriah.sax.de (J Wunsch)
Newsgroups: comp.os.386bsd.bugs
Subject: Re: Problem with old+new scsi drivers
Date: 27 Dec 1993 19:07:29 +0100
Organization: Private U**X site; member IN e.V.
Lines: 14
Message-ID: <2fn891INN1uc@bonnie.sax.de>
References: <1993Dec13.035438.18560@paramount.nikhefk.nikhef.nl> <CI5EBq.Mr@twwells.com> <1993Dec18.161821.27077@paramount.nikhefk.nikhef.nl> <CIEr3p.816@apollo.hp.com>
NNTP-Posting-Host: bonnie.sax.de
Keywords: SCSI TAPE WANGTEK 5525ES

sommerfeld@apollo.hp.com (Bill Sommerfeld) writes:

>there are several different QIC standards, all of which use cartridges
>which look superficially like one another; however, the tape drive can
>distinguish between the two (I don't know quite how, though..).

The drive logs in the tape and looks for those several dozens of holes
that are punched into the tape. The order and distance between the holes
tells about the medium type...
-- 
in real life: J"org Wunsch |   )  o o  | primary: joerg_wunsch@tcd-dresden.de
above 1.8 MHz:   DL 8 DTL  |    )  |   | private: joerg_wunsch@uriah.sax.de
                           | . * ) ==  |
          ``An elephant is a mouse with an operating system.''