Seagate ST34502LW/LC, ST39102LW/LC manual Preface, Electrostatic discharge protection

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Cheetah 9LP Installation Guide, Rev. B

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Preface

This manual contains information for users of the Seagate® Cheetah 9LP SCSI disc drives. It provides support services, per- formance specifications, and initial setup information. Additional information is available in the Cheetah 9LP Product Manual (part number 83329240). Contact your Seagate sales representative if you need to order this publication.

Electrostatic discharge protection

Caution. Removal of circuit boards by personnel not perform- ing 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 semi- conductors 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.

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Contents Disc Drive Contents Electrostatic discharge protection PrefaceImportant safety information and precautions Page Wichtige Sicherheitshinweise Page Cheetah 9LP Installation Guide, Rev. B Electromagnetic susceptibility Regulatory agency complianceElectromagnetic compliance for the European Union Seagate Technology support services SeaBOARD Online servicesSeaFAX FAX servicesTechnical support Direct-support servicesCustomer service centers SA DE CV General description Cheetah 9LP family drive LW model shown Characteristics ST39102LW/LC ST34502LW/LC +12 General information Drive modelsScsi ID jumpers Single-ended and low voltage differential modesPage Drive termination Circuits and data path widths Terminator powerCable characteristics for SE and LVD circuits Pin I/O connection to drive LW model Multiple-drive connection to host adapter Drive model LC with single 80-pin I/O and power connector Providing adequate cooling Kühlung des Systems Suggested air flow Abbildung 7. Empfohlener Luftstromverlauf Installation des Laufwerkes und Anschluß der Kabel Mounting the drive and connecting cablesCheetah 9LP Installation Guide, Rev. B DC power connector Abbildung 8. Gleichstromanschluß Hinweis Page Mounting configuration dimensions LW model Mounting configuration dimensions LC model Quick reference desktop system notes Formatting the drivePage LW drives Setting the Scsi ID jumpersTerminating the drive Setting terminator power jumpers Several other jumper options are available as illustrated Other applicable jumper optionsAlternate ID select and LED connection Drive Active LED indicator connections are shown below Drive Active indicatorLC drives Terminating the drive Other option jumpers are available as illustrated below Drive Active indicator

ST39102LW/LC, ST34502LW/LC specifications

The Seagate ST34502LW/LC and ST39102LW/LC are part of Seagate's esteemed range of hard disk drives, designed primarily for enterprise applications where reliability, performance, and scalability are paramount. These drives belong to the 7200 RPM class, providing a blend of speed and efficiency that facilitates high-throughput data processing necessary for demanding workloads.

One of the key features of the Seagate ST34502LW/LC and ST39102LW/LC is their storage capacity. The ST34502LW/LC offers a capacity of 4.5 GB, while the ST39102LW/LC comes with a slightly larger capacity of 9.1 GB. This substantial storage capability allows businesses to manage vast amounts of data effectively, fitting seamlessly into storage arrays and servers that require large data management systems.

Both models utilize the SCSI interface, which is widely recognized for its robustness and reliability in enterprise environments. The SCSI interface provides a high-speed data transfer rate, ensuring that data can be accessed and processed quickly. These drives are also designed with an average seek time of 9.0 milliseconds, ensuring efficient retrieval of data.

Another significant characteristic of the Seagate ST34502LW/LC and ST39102LW/LC is their advanced error recovery features. They are equipped with Seagate's Adaptive Fault Tolerance and Error Correction Codes (ECC), which helps to minimize data loss and enhance data integrity. This added layer of protection is essential for mission-critical applications where data accuracy is non-negotiable.

The drives feature a 3.5-inch form factor, making them suitable for a wide variety of enterprise chassis configurations. Their design incorporates a low power consumption mode, which is crucial for data centers aiming to reduce energy costs and improve overall efficiency. The drives are also subject to rigorous testing to ensure they meet Seagate's high reliability standards, making them a trusted choice for data centers and businesses.

In summary, the Seagate ST34502LW/LC and ST39102LW/LC hard drives are designed to meet the demanding requirements of enterprise environments. With robust capacities, reliable performance, and advanced features, these drives represent a solid investment for organizations looking to enhance their data storage capabilities while ensuring operational efficiency. Their reliability and efficiency make them an ideal choice for various applications, from high-performance computing to large-scale storage solutions.
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