Assessments - 3, GPA: 4.3 ( )

Fabricante : Seagate Arquivo Tamanho: 475.58 kb Arquivo Nome : 67492b.pdf Língua de Ensino:

29 N drives section ......................................................................... 36 W/WD drives section .................................................................40 WC/DC drives section................................................................45 ©1997 Seagate Technology, Inc. All rights reserved Publication Number: 77767492, Rev. B January 1997 Seagate, Seagate Technology, and the Seagate logo are registered trademarks of Seagate Technology, Inc. Barracuda, 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. Barracuda 4LP Installation Guide, Rev. B Preface This manual contains information for users of the Seagate® Barracuda 4LP SCSI disc drives. It provides support services, performance specifications, and initial setup information. Additional information is available in the Barracuda 4LP Product Manual (part number 77767491). Contact your Seagate sales representative if you need to order this publication. 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. Barracuda 4LP Installation Guide, Rev. B • 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. 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 Barracuda 4LP Installation Guide, Rev. B 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. • Do not remove the head and disc assembly (HDA) from the drive. 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 ...

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