Seagate DDS Manuale utente

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)

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.

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