Seagate DDS User manual

DAT Drive Installation Manual
DDS, DDS-DC, DDS-2 and DDS-3 tape drives
English (Section A)
Français (Section B)
Deutsch (Section C)
Español (Section D)

© 1998 Seagate Technology, Inc. All rights reserved
Publication Number: 10002664-006, December, 1998
Seagate, Seagate Technology, and the Seagate logo are registered
trademarks of Seagate Technology, Inc. Other product names are registered
trademarks or trademarks of their owners.
Seagate makes no Warranty of any kind with regard to this document. Seagate
shall not be liable for any errors contained herein, or indirect, special, incidental
or consequential damages in connection with the furnishing, performance, or
use of this document.
Seagate reserves the right to change, without notice, product offerings or
specifications. No part of this publication may be reproduced in any form
without written permission from Seagate Technology, Inc.

Seagate DAT Drive Installation Manual—English A-1
Section A
English

A-2 Seagate DAT Drive Installation Manual—English

Seagate DAT Drive Installation Manual—English A-3
Contents
Contents 3
FCC notice 4
Introduction 5
Before you begin 6
SCSI cables and connectors 6
Installing an internal DAT drive 7
Configuring an internal DAT drive 7
Mounting an internal DAT drive 13
Connecting power and interface cables 15
Installing an external DAT drive 16
Configuring an external DAT drive 16
Connecting the SCSI interface cable 17
Connecting the power cord 18
Operating and maintaining a DAT drive 19
Loading a cartridge 19
Unloading a cartridge 20
Initializing a blank DAT cartridge 21
DAT cartridge compatibility 21
Write-protecting a DAT cartridge 22
Cleaning the tape heads 22
LED codes 23
UNIX Configuration Notes 27
Drive Requirements 27
Drive Configuration Switches. 27
Inquiry Strings 28
Configuring for the DEC UNIX Environment 29
Configuring for the Sun Environment 31
Configuring for the SGI Environment 32
Configuring for the HP-UX Workstation Environment 35
Configuring for the IBM AIX Environment 36
Configuring for the SCO Environment 37
Technical support 39

A-4 Seagate DAT Drive Installation Manual—English
FCC notice
This equipment generates and uses radio frequency energy and, if not
installed and used in strict accordance with the manufacturer's instructions,
may cause interference to radio and television reception, which could void
the user's authority to operate the equipment. It has been tested and found
to comply with the limits for a Class B digital device pursuant to Part 15 of
FCC Rules, which are designed to provide reasonable protection against
such interference in a residential installation. However, there is no
guarantee that interference will not occur in a particular installation. If
interference does occur, try to correct it by taking one or more of the
following measures:
• Reorient or relocate the receiving antenna.
• Increase the separation between the computer and the receiver.
• Connect the computer into an outlet on a circuit different from that to
which the receiver is connected.
• Consult your dealer or an experienced radio/television technician for help.
You may find the following booklet prepared by the Federal Communications
Commission helpful: How to Identify and Resolve Radio–TV Interference
Problems. This booklet (Stock No. 004-000-00345-4) is available from the
U.S. Government Printing Office, Washington, DC 20402. Further, this
equipment complies with the limits for Class B digital apparatus in
accordance with Canadian Radio Interference Regulations.
Cet appareil numérique de la classe B est conforme au Règlement sur
brouillage radioélectrique, C. R. C., ch. 1374.

Seagate DAT Drive Installation Manual—English A-5
Introduction
This manual contains information on how to install and
operate Seagate®digital audio tape (DAT) drives. This
manual covers DAT drives that support the DDS (digital data
storage), DDS-DC, DDS-2 and DDS-3 tape formats.
The following table identifies the Seagate DAT drive models
covered by this manual and the tape formats that they
support.
Format DDS DDS-DC DDS-2 DDS-3
Capacity 2 Gbytes 4* Gbytes 8* Gbytes 24* Gbytes
3.5-inch
internal
models
4320NT
CTD2004H-S
STD12000N
4324NP
CTD4004H-S
STD14000N
4326NP
CTD8000H-S
STD18000N
STD124000N
5.25-inch
internal
models
4320RT
CTD2004R-S
STD22000N
4324RP
CTD4004R-S
STD24000N
4326RP
CTD8000R-S
STD28000N
STD224000N
External
models 4350XT
CTD2004E-S
STD62000N
4324XP
CTD4004E-S
STD64000N
4326XP
CTD8000E-S
STD68000N
STD624000N
* Typical capacity, assuming 2:1 data compression. Native capacity is
one half these values.
➤ Note: The dip-switch and jumper configurations in this
manual apply
only
to those drives whose model numbers
begin with the letters “STD.” For older drives, see the
Seagate web site (www.seagate.com) or contact Seagate
technical support, as described at the back of this
manual.

A-6 Seagate DAT Drive Installation Manual—English
Before you begin
!Caution. If you are installing an internal drive,
observe the following precautions to avoid damaging
the drive through electrostatic discharge.
• Do not remove the drive from the antistatic bag until you
are ready to install it.
• Before you remove the drive from the antistatic bag,
touch a grounded metal surface to discharge any static
electricity buildup from your body.
• Hold the drive only by its edges and avoid direct contact
with any electronic components.
• If you need to put down the drive, lay it on top of the
antistatic bag or place it inside the bag.
SCSI cables and connectors
These Seagate DAT drives can be connected to a standard,
single-ended SCSI or SCSI-2 interface. A 50-conductor flat
cable or a 25-signal twisted-pair cable may be used to
connect the drive to a SCSI host adapter. The cable should
not be longer than 6 meters (19.5 feet).
The internal DAT drive provides a 50-pin, dual-row single-
ended SCSI connector at the back of the drive.
The external DAT drive provides two 50-pin, shielded
connectors (ANSI Alternative 2) on the rear panel of the
drive. These connectors consist of two rows of ribbon
contacts spaced 2.16 mm (0.085 in) apart. Either connector
can be used as a SCSI IN or SCSI OUT connection.

Seagate DAT Drive Installation Manual—English A-7
Installing an internal DAT drive
Internal drive installation involves three main steps:
1. Configuring the drive
2. Mounting the drive
3. Connecting power and interface cables
➤ Note: Internal Seagate DAT drives come in two mounting
configurations. Drives configured for 5.25-inch bays are
identical to those designed for 3.5-inch bays except that
drive mounting brackets have been added on each side
of the drive. Installation procedures are the same for both
drive configurations.
Configuring an internal DAT drive
Before you install the tape drive in your computer, you may
need to set the drive’s SCSI ID or other drive features. Most
features are set using a bank of dip-switches on the
underside of the drive (see Figure 1 below). To control SCSI
termination and terminator power or to configure the drive for
remote SCSI address selection, use the jumpers on the back
of the drive (above the interface and power connectors).
➤ Note: The dip-switch and jumper configurations shown
here apply
only
to Seagate drives whose model numbers
begin with the letters “STD.” For older DAT drives, see
the Seagate web site (www.seagate.com) or contact
Seagate technical support, as described on page A-39.
Figure 1
Dip switches and jumpers for internal DAT drives
Note:
Drive is shown upside down
Dip switches
SCSI jumper block

A-8 Seagate DAT Drive Installation Manual—English
Dip-switch settings
The default dip switch settings for Scorpion 4, 8, and 24 DAT
drives are listed below:
• SCSI ID 0
• The drive reads or writes both MRS and non-MRS
4-mm media.
• Parity checking is disabled.
• Data compression is enabled.
• Power-on self-test diagnostics are disabled.
The drive is shipped with SCSI termination disabled. If the
default settings are appropriate for your computer system
and
you do not need to enable SCSI termination for this
drive, skip ahead to “Mounting an internal DAT drive” on page
A-13.
Changing dip-switch settings
Figure 2 on the following page shows the location of dip
switches on the underside of a Seagate internal DAT drive.
Factory-default settings for each switch are also shown in
Figure 2. Each of these settings is described in detail on the
following pages.
➤ Note: Not all drives come with dip switches 9 and 10.
These switches are used to configure the drive for use
with UNIX operating systems, as described on page A-27
of this manual.