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Date:      Fri, 23 May 1997 08:50:44 -0700 (PDT)
From:      patl@phoenix.volant.org
To:        jgrosch@superior.mooseriver.com
Cc:        hackers@freebsd.org
Subject:   Re: SCSI tape config
Message-ID:  <ML-3.3.864402644.7515.patl@asimov>
In-Reply-To: <199705222322.QAA15372@superior.mooseriver.com>

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> I've got this old Wangtek tape drive that handles QIC-150 tapes. THis drive
> came out of an old Sun shoebox and has an adapter board to allow a SCSI
> controller to driver it. My question is how does one set the SCSI id. There
> are a number of jumpers on the adapter board, which was made by
> Emulex. Does anyone know anthing about these?

If this is one of the older shoeboxes, with the separate SCSI adapter
board, it is probably a 60Mb tape with the Emulex MT02 SCSI adapter.
The MT02 has a DIP switch module with switch 1 nearest the edge of
the board.  The switches are:

	Switch	Setting	Description
	1	off	SCSI target bit 0
	2	off	SCSI target bit 1
	3	on	SCSI target bit 2
	4	off	Not used
	5,6	on,off	Archive Scorpion Drive
	5,6	on,on	Wangtek 5000E Drive
	7	off	Drive type
	8	off	SCSI bus parity check

The general board layout is:

	+------------------------------------+
	| :::::J3:::::  ::J2::  ::J1::       |
	|                               .1.  |
	|           E                   .2.  |
	|           F                   .3.  |
	|                               SW1  |
	|           G                   .5.  |
	|           H                   .6.  |
	|                               .7.  |
	|                               .8.  |
	|                           Off    On|

			...

	|   +-+                         +-+  |
	|   | | Terminator   Terminator | |  |
	|   | | U46                  U5 | |  |
	|   +-+              C               |
	|                    D               |
	|       :::::SCSI:::::   0 0  [PWR]  |
	+-------1:::::::::::::---------------+
	                         LEDs



-Pat




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