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Barracuda 50
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Disc Drive
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ST150176LW/LC
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Installation Guide
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Summary of Contents

  • Page 1

    • • • • • • • • • • • • • • • • • • • • • • • • • • Barracuda 50 • • • • • • • • • • • • • • • • • • • • • • • • • •...

  • Page 2: Table Of Contents

    ©1998, 1999 Seagate Technology, Inc. All rights reserved Publication Number: 83329472, Rev. A March 1999 Seagate, Seagate Technology, and the Seagate logo are regis- tered trademarks of Seagate Technology, Inc. Barracuda, SeaFAX, SeaFONE, SeaBOARD, and SeaTDD are either trade- marks or registered trademarks of Seagate Technology, Inc. or one of its subsidiaries.

  • Page 3: Preface

    10 to learn more about this drive’s multimode capabilities, data bus details, specifica- tions, and cooling requirements. Additional information is available in the Barracuda 50 Product Manual (part number 83329471). Contact your Seagate sales representative if you need to order this publication.

  • Page 4: Electrostatic Discharge Protection

    Protect the drive from static discharge by making sure you are well grounded before touching the drive. We recommend wearing a grounded wrist strap (Seagate part number 12263496) throughout the installation process. Do not touch the connectors or any part of the printed circuit board.

  • Page 5: Important Safety Information And Precautions

    • 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.

  • Page 6

    Barracuda 50 Installation Guide, Rev. A lowed 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.

  • Page 7: Wichtige Sicherheitshinweise

    As a component, this drive is designed to be installed and oper- ated in accordance with UL1950, EN60950, CAN/CSA C22.2 950-M95, and VDE0805. Seagate takes all reasonable steps to ensure that its products are certifiable to currently accepted standards. Typical applica- tions of these disc drives include customer packaging and sub- system design.

  • Page 8

    Barracuda 50 Installation Guide, Rev. A sam, 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 Warn- und Vorsichtshinweise sind nicht allumfassend! Es ist uns einfach nicht möglich, alle Wartungsmethoden oder die eventuellen...

  • Page 9

    Als Teilkomponente ist dieses Laufwerk für die Installation und den Betrieb in Übereinstimmung mit UL 1950, EN60950, CAN\CSA C22.2 950-M95 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 Festplatten- werke zählen Systemeinbau durch den Kunden und die Konstruktion...

  • Page 10: Regulatory Agency Compliance

    • 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-...

  • Page 11

    Barracuda 50 Installation Guide, Rev. A Electromagnetic compliance for the European Union If this model has the CE Marking it complies with the European Union requirements of the Electromagnetic Compatibility Direc- tive 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.

  • Page 12: General Description

    Barracuda 50 Installation Guide, Rev. A General description Barracuda 50 SCSI disc drives are high-speed, random-access digital-data storage devices capable of operating in single-ended (SE) or low voltage differential (LVD) modes. This multimode capability allows you to use this drive in systems that use the traditional SE technology or in LVD-capable sys- tems.

  • Page 13

    Barracuda 50 Installation Guide, Rev. A Single-ended and low voltage differential modes This drive incorporates two different transceivers to allow you to use it in systems which use single-ended (SE) drivers and receivers, or in low voltage differential (LVD) capable systems which use LVD drivers and receivers.

  • Page 14

    Barracuda 50 Installation Guide, Rev. A Data bus widths These drives have a wide (16-bit) SCSI data bus. You can use these drives on a non-wide (8-bit) data bus if you provide proper termination to the upper eight data lines. This is often referred to as providing “high-9 termination”...

  • Page 15: Kühlung Des Systems

    Barracuda 50 Installation Guide, Rev. A by the fans either pushing or drawing air. The overall flow pattern can be directed from front to back, back to front, or side to side. Kühlung des Systems Die Gehäusekonstruktion muß eine ausreichende Kühlung des Lauf- werkes gewährleisten.

  • Page 16

    Barracuda 50 Installation Guide, Rev. A Above unit Under unit Note. Air flows in the direction shown (back to front) or in reverse direction (front to back) Above unit Under unit Note. Air flows in the direction shown or in reverse direction (side to side) Figure 2.

  • Page 17

    Barracuda 50 Installation Guide, Rev. A Characteristics ST150176LW/LC Interface Ultra2 SCSI Capacity Formatted (Gbytes) 50.0 Recording Cylinders (user) 12,024 Read/write data heads Avg bytes/track 189.28 Access time Average read (msec) Average write (msec) Disc rotation 7,184 Average latency (msec) 4.17...

  • Page 18

    +12 V DC power requirements (±5%) ST150176LW/LC Maximum start current 0.76 0.77 Maximum operating current 0.77 1.17 0.81 1.17 Average idle current 0.68 0.68 0.69 0.68 For more detailed power information, refer to the Barracuda 50 Product Manual, publication number 83329471.

  • Page 19: How To Install The Drive

    Barracuda 50 Installation Guide, Rev. A How to install the drive This installation guide provides step-by-step instructions to make your drive installation as easy as possible. Follow the installation steps listed for your drive model as listed below: ST150176LW (use the installation steps beginning below).

  • Page 20

    Barracuda 50 Installation Guide, Rev. A Drive Front Jumper Plug (enlarged to show detail) Pin 1 Reserved A 2 A 1 A 0 SCSI ID = 0 (default) SCSI ID = 1 SCSI ID = 2 SCSI ID = 3...

  • Page 21

    Barracuda 50 Installation Guide, Rev. A Configure termination. If you are installing the drive in a system that has other SCSI devices installed, terminate only the end devices on the SCSI bus. Figure 4 shows the three most common termination configu- rations.

  • Page 22

    Barracuda 50 Installation Guide, Rev. A Internal SCSI cable Internal Controller SCSI drive Terminate Internal SCSI cable Internal Internal Controller SCSI device SCSI device Terminate Internal SCSI cable External SCSI cable Internal Internal External External Controller SCSI device SCSI device...

  • Page 23

    Barracuda 50 Installation Guide, Rev. A Configure termination power. Terminators have to get power from some source. The default configuration results in the drive not suppling termi- nation power to the bus. You should normally leave this drive set at this default unless your host system requires that the drive supply termination power to the bus.

  • Page 24

    Barracuda 50 Installation Guide, Rev. A Connect the drive activity remote LED (optional) This drive provides connections for a remote drive activity LED. This step is optional because the drive will work fine without an LED connected, but many people find this to be helpful to determine when the drive is actively reading or writing data.

  • Page 25

    Barracuda 50 Installation Guide, Rev. A Check the other available jumper settings (optional) This drive provides several features for unique configura- tions. You will not normally need to change from the default settings for normal operation. See Figure 7 on page 24.

  • Page 26

    Barracuda 50 Installation Guide, Rev. A Pin 1 Pin 2 Reserved Single-Ended Mode option Use single-ended or low voltage differential mode. Force the drive to operate only in single-ended mode. Delay Motor Start option (valid only if the Enable Motor Start jumper is not connected) Disable the Delay Motor Start option (default).

  • Page 27

    Barracuda 50 Installation Guide, Rev. A Mount the drive in the host system and connect cabling. Mount the drive to the host system’s chassis using four 6-32 UNC screws. Two mounting holes are in each side of the drive and there are four mounting holes in the bottom of the drive.

  • Page 28

    Barracuda 50 Installation Guide, Rev. A Power Cable Figure 8. Connecting cables to the drive...

  • Page 29

    Barracuda 50 Installation Guide, Rev. A “LW” Model Drive Terminator 2 through X SCSI devices [4] Pin 1 (check your adapter for Pin 1 location) SCSI ID 1 SCSI ID 7 [5] Host Adapter SCSI ID 0 [1] “X” means up to 15 devices on the SCSI bus.

  • Page 30

    Barracuda 50 Installation Guide, Rev. A Notes: Mounting holes are 6-32 UNC 2B, three on each side and four on the bottom. Max screw penetration into side of drive is 0.15 in. (3.81 mm). Max screw tightening torque is 6.0 in-lb (3.32 nm) with minimum full thread engagement of 0.12 in.

  • Page 31

    Barracuda 50 Installation Guide, Rev. A Additional connector on ST150176LW drives ST150176LW drives have a connector located between the SCSI I/O connector and the DC power connector to allow you to set the SCSI ID and connect LEDs from the back of the drive.

  • Page 32

    Barracuda 50 Installation Guide, Rev. A ST150176LC installation Set the SCSI ID on the drive. Determine which SCSI IDs are already being used in the system and then assign the disc drive a SCSI ID that isn’t already being used. Use the J6 connector located on the front of the drive to set the SCSI ID (see Figure 12).

  • Page 33

    Barracuda 50 Installation Guide, Rev. A Drive Front Jumper Plug (enlarged to show detail) Pin 1 SCSI ID = 0 SCSI ID = 1 SCSI ID = 2 SCSI ID = 3 SCSI ID = 4 SCSI ID = 5...

  • Page 34

    Barracuda 50 Installation Guide, Rev. A Configure termination. ST150176LC drives are designed for installation in host sys- tems that have a backplane with single connector attach- ment (SCA) connections. Termination is normally provided on this backplane. Check your host system documentation for details.

  • Page 35

    Barracuda 50 Installation Guide, Rev. A Check the other available jumper settings (optional) This drive provides several features for unique configura- tions. You will not normally need to change from the default settings for normal operation. See Figure 13 on page 34.

  • Page 36

    Barracuda 50 Installation Guide, Rev. A Pin 1 Pin 2 Reserved Single-Ended Mode option Use single-ended or low voltage differential mode. Force the drive to operate only in single-ended mode. Delay Motor Start option (valid only if the Enable Motor Start jumper is not connected) Disable the Delay Motor Start option (default).

  • Page 37

    Barracuda 50 Installation Guide, Rev. A Mount the drive in the host system. To mount an “LC” drive, plug the drive into the system’s sin- gle connector attachment (SCA) position on the system’s backplane. The SCA connector on the drive contains inter- face and power functions, so it does not require a separate power connector.

  • Page 38

    Barracuda 50 Installation Guide, Rev. A Notes: -Z- -X- Mounting holes are 6-32 UNC 2B, three on each side and four on the bottom. Max screw penetration into side of drive is 0.15 in. (3.81 mm). Max screw tightening torque is 6.0 in-lb (3.32 nm) with minimum full thread engagement of 0.12 in.

  • Page 39

    • Protect against power failure or other power interrup- tions during the format. Barracuda 50 disc drives are designed to operate with a variety of operating systems. Some brief instructions are provided below for DOS, Windows 3.1, Windows 95, Win- dows 98, and Macintosh systems.

  • Page 40

    Barracuda 50 Installation Guide, Rev. A Note. Hardware platform, operating system, and host adapter variations can limit access to the full capac- ity of this and other high capacity drives. Refer to your system, host adapter, or drive utility documen- tation for detailed instructions.

  • Page 41

    Barracuda 50 Installation Guide, Rev. A the drive you want to partition. Make sure that your new drive is selected. If you accidently repartition your old hard drive, you will arase all data on the drive. Press to select “Create DOS partition or logical DOS drive”...

  • Page 42

    Barracuda 50 Installation Guide, Rev. A Macintosh Use a third-party drive utility to initialize the drive and follow the instructions provided with the utility. Note: versions of Apple Drive Setup prior to version 1.3.1 do not recognize non-Apple drives.

  • Page 43: Seagate Technology Support Services

    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). This service is available worldwide.

  • Page 44

    If you need additional help, you can talk to a Seagate technical support specialist. Before calling, note your system configuration and drive model number (ST xxxxx).

  • Page 45

    P.M. (central time) Monday through Friday. Customer Service (CSO) Warranty Repair Seagate offers worldwide customer support for Seagate drives. Seagate direct OEM, Distribution and System Integrator custom- ers should contact their Seagate service center representative for warranty information. Other customers should contact their place of purchase.

  • Page 46

    Barracuda 50 Installation Guide, Rev. A Warranty Repair USA/Canada 1-800-468-3472 FAX: +1-405-949-6740 Latin America +1-405-949-7758 FAX: +1-405-949-6738 Authorized Service Centers Brazil MA Informatica +55-21-516-6649 FAX: +55-21-516-5280 Canada Memofix +1-905-660-4936 FAX: +1-905-660-4951 Adtech +1-905-812-8099 or FAX: +1-905-812-7807 1-800-624-9857 European Support Services...

  • Page 47

    Barracuda 50 Installation Guide, Rev. A Norway 800-113 91 Poland 00 800-311 12 38 Spain 900-98 31 24 Sweden 0 207 90 073 Switzerland 0 800-83 84 11 Turkey 00 800-31 92 91 40 United Kingdom 0 800-783 5177 SeaBOARD...

  • Page 48

    Barracuda 50 Installation Guide, Rev. A SeaFAX Australia +61-2-9756-5170 Warranty Repair Japan +81-3-5462-2904 FAX: +81-3-5462-2979 Asia/Pacific and +65-485-3595 FAX: +65-488-7503 Australia...

  • Page 52

    Seagate Technology, Inc. 920 Disc Drive, Scotts Valley, CA 95066-4544, USA Publication Number: 83329472, Rev. A, Printed in USA...

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