Seagate ST34501N, 4LP W, ST34501WD, ST34501DC, ST34501WC User Manual

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Cheetah 4LP

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Disc Drive

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ST34501N/W/WC/WD/DC

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Installation Guide

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Contents

 

Preface.........................................................................................

1

Electrostatic discharge protection ................................................

2

Important safety information and precautions..............................

3

Wichtige Sicherheitshinweise ......................................................

5

Regulatory agency compliance....................................................

8

Seagate technical support services...........................................

10

General description....................................................................

15

Initial setup information..............................................................

20

Kühlung des Systems ................................................................

30

Installation des Laufwerkes und Anschluß der Kabel ................

32

N drives sectionb .......................................................................

39

W/WD drives section..................................................................

43

WC/DC drives section................................................................

48

All drives (LED connections)......................................................

50

©1996, 1997 Seagate Technology, Inc. All rights reserved Publication Number: 83329110, Rev. B

September 1997

Seagate, Seagate Technology, and the Seagate logo are registered trademarks of Seagate Technology, Inc. Cheetah, SeaFAX, SeaFONE, SeaNET, SeaTDD, and SeaBOARD are either trademarks or registered trademarks of Seagate Technology, Inc. or one of its subsidiaries. All other trademarks or registered trademarks are the property of their respective owners.

No part of this publication may be reproduced in any form without written permission from Seagate Technology, Inc.

Cheetah 4LP Installation Guide, Rev. B

1

Preface

This manual contains information for users of the Seagate® Cheetah 4LP SCSI disc drives. It provides support services, performance specifications, and initial setup information. Additional information is available in the Cheetah 4LP Product Manual (part number 83329120). Contact your Seagate sales representative if you need to order this publication.

Attention. This high performance Cheetah disc drive MUST have proper power and cooling considerations for reliable operation.

Why is there a difference between 10,000 RPM and 7,200 RPM disc drives?

Cheetah disc drives spinning at 10,000 RPM will dissipate more heat than 7,200 RPM class disc drives (typical power dissipation is 22.5 watts).

The increased heat is primarily due to increased motor power dissipated inside the drive.

The increase in heat dissipation requires that the Cheetah 10,000 RPM disc drives receive more cooling consideration than 7,200 RPM class disc drives.

Proper consideration of enhanced cooling by conduction (heat transfer thru material) can reduce the convection cooling (heat transfer by air motion) requirements.

Note. Please contact Seagate technical support services or your distributor’s technical support if you have questions.

2

Cheetah 4LP Installation Guide, Rev. B

Electrostatic discharge protection

Caution. Removal of circuit boards by personnel not performing depot repair will damage components and may void the warranty.

All drive electronic assemblies are sensitive to static electricity, due to the electrostatically sensitive devices used within the drive circuitry. Although some devices such as metal-oxide semiconductors are extremely sensitive, all semiconductors, as well as some resistors and capacitors, may be damaged or degraded by exposure to static electricity.

Electrostatic damage to electronic devices may be caused by the direct discharge of a charged conductor or by exposure to the static fields surrounding charged objects. To avoid damaging drive electronic assemblies, observe the following precautions when installing or servicing the drive:

Ground yourself to the drive whenever the drive electronics are or will be exposed. Connect yourself to ground with a wrist strap (Seagate part number 12263496). Connection may be made to any grounded metal assembly. As a general rule, remember that you and the drive electronics must all be grounded to avoid potentially damaging static discharges.

Turn off the power before removing or installing the DC power cable.

Do not remove any circuit boards from the drive.

Never use an ohmmeter on any circuit boards.

When installing the drive on a carrier or tray, discharge the carrier or tray prior to inserting it into the system.

Cheetah 4LP Installation Guide, Rev. B

3

Important safety information and precautions

Caution. Use forced-air ventilation when bench-testing the drive to ensure proper cooling of drive components.

Use proper safety techniques for safe, reliable operation of this unit.

The procedures in this manual and labels on the unit contain warnings and cautions that must be carefully read and followed to minimize or eliminate the risk of personal injury. The warnings point out conditions or practices that may endanger you or others. The cautions point out conditions or practices that may damage the unit, possibly making it unsafe for use.

Always observe the following warnings and precautions:

Follow all cautions and warnings in the procedures.

Use sound safety practices when operating, installing, or removing the unit.

Use caution when troubleshooting a unit that has voltages present. Turn off power to the unit before removing it.

Ensure that the internal temperature of the rack or cabinet does not exceed the limits defined for the drive when the drive is mounted in an equipment rack or cabinet. When units are stacked vertically, pay special attention to the top where temperatures are usually highest.

Follow the precautions listed above in “Electrostatic discharge protection.”

Do not remove any circuit boards from the drive. Return the entire drive for depot repair if any circuit board is defective. Removal of circuit boards by personnel not performing depot repair will damage components and may void the warranty.

4

Cheetah 4LP Installation Guide, Rev. B

Do not separate the head and disc assembly (HDA) from the PCB. Return the entire drive for depot repair if the HDA is defective.

Do not attempt to disassemble the HDA. It is not field repairable. If the sealed HDA is opened by personnel not performing depot repair, this will damage components and void the warranty.

As a component, this drive is designed to be installed and operated in accordance with UL1950, EN60950, CSA C22.2 950M89, and VDE0805.

Seagate takes all reasonable steps to ensure that its products are certifiable to currently accepted standards. Typical applications of these disc drives include customer packaging and subsystem design. Safety agencies conditionally certify component assemblies, such as the Cheetah disc drive, based on their final acceptability in the end-use product. The subsystem designers are responsible for meeting these conditions of acceptability in obtaining safety-regulatory agency compliance in their end-use products and for certifying where required by law. A necessary part of meeting safety requirements is the provision for overcurrent protection on drive SELV supply voltages.

This unit is a component part and as such is not meant to comply with FCC or similar national requirements as a stand-alone unit. Engineering radiated emissions test results are available through the Seagate Safety Department to assist the subsystem designer.

Cheetah 4LP Installation Guide, Rev. B

5

Wichtige Sicherheitshinweise

Vorsicht. Beim Testen des Laufwerks auf dem Prüftisch ist Fremdbelüftung vorzusehen, um eine ausreichende Kühlung der Laufwerkkomponenten sicherzustellen.

Verwenden Sie geeignete Sicherheitsum den sicheren, zuverlässigen Betrieb dieser Einheit zu gewährleisten.

Die Verfahren in diesem Handbuch und die Aufkleber auf dem Gerät enthalten Warnund Vorsichtshinweise. Diese Hinweise sind sorgfältig durchzulesen und zu beachten, um das Risiko von Verletzungen auf ein Mindestmaß zu beschränken oder ganz zu vermeiden. Die Warnhinweise machen auf Situationen oder Praktiken aufmerksam, die Sie oder andere gefährden könnten. Die Vorsichtshinweise machen auf Situationen oder Praktiken aufmerksam, die Einheit beschädigen können, so daß deren Gebrauch mit Risiko behaftet ist.

Die Warnund Vorsichtshinweise sind nicht allumfassend! Es ist uns einfach nicht möglich, alle Wartungsmethoden oder die eventuellen Risiken jeder Methode zu kennen, zu beurteilen und Sie entsprechend zu beraten. Aus diesem Grund haben wir auf eine derartige umfassende Beurteilung verzichtet. Falls Sie ein hier nicht beschriebenes Verfahren oder Werkzeug verwenden, stellen Sie zuerst sicher, daß das gewählte Verfahren weder Ihre persönliche Sicherheit noch die Leistung der Einheit gefährdet.

Beachten Sie in jedem Fall die folgenden Warn-und Vorsichtshinweise:

Beachten Sie alle Warnund Vorsichtshinweise in diesem Handbuch.

6

Cheetah 4LP Installation Guide, Rev. B

Treffen Sie beim Betrieb, bei der Installation oder bei der Entfernung der Einheit angemessene Sicherheitsvorkehrungen.

Wenn eine Einheit unter Spannung steht, gehen Sie bei der Fehlerdiagnose besonders vorsichtig vor. Schalten Sie die Einheit aus, bevor Sie mit den Installations-und Entfernungsarbeiten beginnen.

Wenn das Laufwerk in einem Einbaugestell oder Gehäuse montiert ist, sorgen Sie dafür, daß die Temperatur im Inneren des Gestells oder Gehäuses die für das Laufwerk vorgegebenen Grenzwerte nicht übersteigt. Wenn Einheiten vertikal übereinander betestigt werden, achten Sie besonders auf den oberen Stapelbereich, da dort die Temperatur gewöhnlich am höchsten ist.

Befolgen Sie die oben unter “Electrostatic Discharge Protection” angegebenen Sicherheitsmaßnahmen.

Nehmen Sie keine Platinen aus dem Laufwerk. Wenn eine Platine defekt ist, muß das gesamte Laufwerk zur Reparatur eingeschickt werden. Die Herausnahme von Platinen durch andere Personen als die für die werkseitige Reparatur zuständigen kann zu einer Beschädigung der Komponenten und Erlöschen des Garantieanspruchs führen.

Die vormontierte Kopfund Festplatteneinheit (HDA) nicht aus dem Laufwerkgehäuse nehmen! Falls die HDA beschädigt ist, schicken Sie das gesamte Laufwerk zur Reparatur ein.

Die HDA ist nicht vor Ort reparierbar und darf nicht auseinandergenommen werden! Öffnen der versiegelten HDA durch andere Personen als die für die werkseitige Reparatur zustän-

Cheetah 4LP Installation Guide, Rev. B

7

digen hat eine Beschädigung der Komponenten und Erlöschen des Garantieanspruchs zur Folge.

Als Teilkomponente ist dieses Laufwerk für die Installation und den Betrieb in Übereinstimmung mit UL 1950, EN60950, CSA C22.2 950-M89 und VDE0805 vorgesehen.

Seagate ist ständig bemüht, die Zulassungsfähigkeit von Seagate-Produkten im Rahmen der gegenwärtig geltenden Standards zu gewährleisten. Zu den typischen Anwendungen dieser Festplattenwerke zählen Systemeinbau durch den Kunden und die Konstruktion von Untersystemen. Sicherheitsbehörden gewähren eine bedingte Zulassung für Komponenten wie das Cheetah-Festplattenlaufwerk vorbehaltlich der endgültigen Zulasssung im Endprodukt. Designer von Untersystemen sind dafür verantwortlich, die Voraussetzungen für die Einhaltung sicherheitsoder aufsichtsbehördlicher Vorschriften in ihren Endprodukten und - falls gesetzlich vorgeschrieben - für die Zulassung zu schaffen. Eine Grundvoraussetzung zur Einhaltung der Sicherheitsanforderungen ist die Bereitstellung eines Überlastschutzes für die SELV-Versorgungsspannungen des Laufwerks.

Dieses Gerät ist eine Baugruppe und unterliegt als solche nicht den Anforderungen der FCC oder ähnlicher nationaler Behörden für eigenständige Geräte. Technische Testergebnisse zu elektromagnetische Strahlung sind für Designer von Untersystemen auf Anfrage von der Seagate-Sicherheitsabteilung erhältlich.

8

Cheetah 4LP Installation Guide, Rev. B

Regulatory agency compliance

Electromagnetic susceptibility

As a component assembly, the drive is not required to meet any susceptibility performance requirements. It is the responsibility of those integrating the drive within their systems to perform those tests required and design their system to ensure that equipment operating in the same system as the drive or external to the system does not adversely affect the performance of the drive. See Table 2, DC power requirements.

Electromagnetic compliance

Seagate uses an independent laboratory to confirm compliance to the directives/standard(s) for CE Marking and C-Tick Marking. The drive was tested in a representative system for typical applications. The selected system represents the most popular characteristics for test platforms. The system configurations include:

486, Pentium, and PowerPC microprocessors

3.5-inch floppy disc drive

Keyboard

Monitor/display

Printer

External modem

Mouse

Although the test system with this Seagate model complies to the directives/standard(s), we cannot guarantee that all systems will comply. The computer manufacturer or system integrator shall confirm EMC compliance and provide CE Marking and C- Tick Marking for their product.

Cheetah 4LP Installation Guide, Rev. B

9

Electromagnetic compliance for the European Union

If this model has the CE Marking it complies with the European Union requirements of the Electromagnetic Compatibility Directive 89/336/EEC of 03 May 1989 as amended by Directive 92/ 31/EEC of 28 April 1992 and Directive 93/68/EEC of 22 July 1993.

Australian C-Tick

If this model has the C-Tick Marking it complies with the Australia/New Zealand Standard AS/NZS3548 1995 and meets the Electromagnetic Compatibility (EMC) Framework requirements of Australia’s Spectrum Management Agency (SMA).

10

Cheetah 4LP Installation Guide, Rev. B

Seagate technical support services

If you need assistance installing your drive, consult your dealer. Dealers are familiar with their unique system configurations and can help you with system conflicts and other technical issues. If you need additional assistance with your Seagate® drive or other Seagate products, use one of the Seagate technical support services listed below.

SeaFONE® 1-800-SEAGATE

Seagate’s 800 number (1-800-732-4283) allows toll-free access to automated self-help services, providing answers to commonly asked questions, troubleshooting tips, and specifications for disc drives and tape drives. This service is available 24 hours daily and requires a touch-tone phone. International callers can reach this automated self-help service by dialing 408-456-4496.

Online services

Using a modem, you can obtain troubleshooting tips, free utility programs, drive specifications and jumper settings for Seagate’s entire product line. You can also download software for installing and analyzing your drive.

SeaNET™

You can obtain technical information about Seagate products over the Internet from Seagate’s World Wide Web home page

(http://www.seagate.com) or Seagate’s ftp server (ftp:// ftp.seagate.com). You can also send E-mail with your questions to Di sc Su pp o r t @ Se aga te . co m or Tap e Su p p or t @ Seagate.com.

Cheetah 4LP Installation Guide, Rev. B

11

Seagate CompuServe forum

Online technical support for Seagate products is available on CompuServe. To access our technical support forum, type go seagate. This forum provides information similar to that found on SeaBOARD. In addition, you can type questions or browse through previous questions and answers on the forum messages.

SeaBOARD®

SeaBOARD is a computer bulletin board system that contains information about Seagate disc and tape drive products and is available 24 hours daily. Set your communications software to eight data bits, no parity, and one stop bit (8-N-1).

Location

Phone number

Australia

61-2-9756-2359

England

44-1628-478011

France

33 1-48 25 35 95

Germany

49-89-140-9331

Singapore

TBA

Taiwan

886-2-719-6075

Thailand

662-531-8111

USA

Disc: 405-936-1600; Tape: 405-936-1630

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Cheetah 4LP Installation Guide, Rev. B

FAX services

SeaFAX®

You can use a touch-tone telephone to access Seagate’s automated FAX system to receive technical support information by return FAX. This service is available 24 hours daily.

Location

Phone number

Australia

61-2-9756-5170

England

44-1628-894084

USA

1-800-SEAGATE or 408-456-4496

Seagate technical support FAX

You can FAX questions or comments to technical support specialists 24 hours daily. Responses are sent during business hours.

Location

Phone number

Australia

61-2-9725-4052

England

44-1628-890660

France

33 1-46 04 42 50

Germany

49-89-1430-5100

Hong Kong

852-2368 7173

Japan

81-3-5462-2979

Korea

82-2-556-7294/4251

Singapore

65-488-7528

Taiwan

886-2-715-2923

USA

Disc: 405-936-1685; Tape: 405-936-1683

Cheetah 4LP Installation Guide, Rev. B

13

Direct-support services

Seagate technical support

For one-on-one help, you can talk to a technical support specialist during local business hours. Before calling, note your system configuration and drive model number (STxxxx).

Location

Phone number

Australia

61-2-9725-3366 (9:00 A.M. to 5:00 P.M., M–F)

England

44-1628-894083 (10:00 A.M. to 1:00 P.M.,

 

2:00 P.M. to 5:00 P.M., M–F)

France

33 1-41 86 10 86 (9:30 A.M. to 12:30 P.M.,

 

2:00 P.M. to 5:00 P.M., M–F)

Germany

Disc: 49-89-140-9332; Tape: 49-89-140-9333

 

(9:30 A.M. to 12:30 P.M., 2:00 P.M. to 4:00 P.M.,

 

M–F)

Hong Kong

852-2368 9918

Korea

82-2-556-8241

Singapore

65-488-7584 (9:00 A.M. to 12:00 P.M., 2:00 P.M.

 

to 5:00 P.M., M–F)

Taiwan

886-2-514-2237

USA

Please dial 1-800-SEAGATE or 408-456-4496

 

for the specific product telephone number.

 

(8:00 A.M. to 1:15 P.M., 2:30 P.M. to 7:00 P.M.,

 

Central time, M–F)

SeaTDD™ 405-936-1687

Using a telecommunications device for the deaf (TDD), you can send questions or comments 24 hours daily and exchange messages with a technical support specialist between 8:00 A.M. to 1:15 P.M. and 2:30 P.M. to 7:00 P.M. (Central time) Monday through Friday.

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Cheetah 4LP Installation Guide, Rev. B

Customer service centers

Seagate direct OEM, Distribution, and Systems Integrator customers should contact their Seagate service representative for warranty information. Other customers should contact their place of purchase. Seagate offers comprehensive customer support for all Seagate drives. These services are available worldwide.

Location

Phone number

FAX number

Asia Pacific and Australia

65-485-3595

65-485-4980

Europe, Middle East,

 

 

and Africa

31-2031-67300

31-2065-34320

Japan

81-3-5462-2904

81-3-5462-2979

USA

1-800-468-3472

405-949-6740

Other Americas (Brazil,

 

 

Canada, Mexico)

405-949-6706

405-949-6738

Manufacturer’s representatives

 

Brazil

 

 

MA Informatica

55-11-810-7794

55-21-253-6467

Canada

 

 

Memofix

905-660-4936

905-660-8738

Adtech

905-812-8099

905-812-7807

 

1-800-624-9857

 

Mexico

 

 

Abicom Seamax

 

 

SA DE CV

525-546-6965

525-546-4888

Seagate ST34501N, 4LP W, ST34501WD, ST34501DC, ST34501WC User Manual

Cheetah 4LP Installation Guide, Rev. B

15

General description

Cheetah 4LP SCSI disc drives are high-speed, random-access digital-data storage devices.

The drive is a component for installation in an enclosure designed for the drive. This is often a rack within the system or an external enclosure designed to house one or more disc drives or other peripheral units. In either case, the disc drive must receive adequate cooling (refer to “Providing adequate cooling”) and it must be sufficiently grounded and shielded from emissions. The Cheetah 4LP Product Manual (part number 83329120) contains guidelines for a properly designed enclosure.

*Model “N” version with 50-pin SCSI I/O connector

Figure 1. Cheetah 4LP family drive

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