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From: chris@umcp-cs.UUCP (Chris Torek)
Newsgroups: net.unix-wizards
Subject: Re: BSD 4.{2,3} installation question
Message-ID: <2912@umcp-cs.UUCP>
Date: Tue, 12-Aug-86 04:47:23 EDT
Article-I.D.: umcp-cs.2912
Posted: Tue Aug 12 04:47:23 1986
Date-Received: Tue, 12-Aug-86 23:34:15 EDT
References: <846@abic.UUCP>
Reply-To: chris@umcp-cs.UUCP (Chris Torek)
Organization: University of Maryland, Dept. of Computer Sci.
Lines: 25

In article <846@abic.UUCP> wrk@abic.UUCP writes:
>I'm trying to install BSD4.{2,3} on an 11/780 ... [with] a TU-81
>tape drive.  Does anyone have information (or better yet, a driver)
>for a TU-81 under BSD?

The TU81 (and the TA81) is what DEC calls a `TMSCP' tape.  TMSCP
is supposedly closely related to that well-guarded, secret protocol
called MSCP.  (The protocol is quite obviously secret, for only
DEC's competitors can buy DEC's documentation on it.  Or at least,
their competitors *did* buy it, and now DEC is not selling it to
anyone.  Does that make sense?)

Fortunately, at least one person at DEC seems to have retained a
shred of sanity where this is concerned.  The 4.3BSD distribution
contains a TMSCP driver supplied by DEC.  As Berkeley has no TMSCP
devices, this is perforce untested; but it is by far better than
nothing.  The driver has a large DEC copyright notice at the top,
and as I intend to distribute an MSCP driver that has hooks for
the inclusion of a TMSCP driver as well, I have looked no further
at it.  (No doubt this will become painfully evident to anyone who
attempts to merge their driver with my generic MSCP code.)
-- 
In-Real-Life: Chris Torek, Univ of MD Comp Sci Dept (+1 301 454 1516)
UUCP:	seismo!umcp-cs!chris
CSNet:	chris@umcp-cs		ARPA:	chris@mimsy.umd.edu