Seagate ST31250W/WD/WC/DC, ST32550W/WD/WC/DC manual Important safety information and precautions

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2	Barracuda 2LP Installation Guide, Rev. E

•Ground yourself to the drive whenever the drive elec- tronics 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 static electricity from 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 and repair techniques for safe, reliable operation of this unit. Service should be done only by qualified persons. We recommend the procedures in this manual as effective ways of servicing the unit. Some procedures require the use of special tools. For proper maintenance and safety, you must use these tools as recommended.

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Contents Barracuda 2LP Contents Preface Electrostatic discharge protectionImportant safety information and precautions Page Barracuda 2LP Installation Guide, Rev. E Wichtige Sicherheitshinweise Barracuda 2LP Installation Guide, Rev. E Page Barracuda 2LP Installation Guide, Rev. E Page SeaFAX USA 408 438-2620 England CompuServe ForumSeaTDD 408 SeaFONE 408SeaBOARD Location Modem number General description Characteristics ST31250 ST32550 Barracuda 2LP Installation Guide, Rev. E Amps Barracuda 2LP Installation Guide, Rev. E Barracuda 2LP Installation Guide, Rev. E Drive models General informationScsi ID jumpers Drive termination Scsi bus terminationTerminator power Synchronizing spindlesProviding adequate cooling Kühlung des Systems Suggested air flow Abbildung 3. Empfohlener Luftstromverlauf Mounting the drive and connecting cables Installation des Laufwerkes und Anschluß der Kabel Barracuda 2LP Installation Guide, Rev. E DC power connector Abbildung 4. Gleichstromanschluß Hinweis Formatting the drive Enabling write cache Setting the Scsi ID jumpers Setting the Scsi IDTerminating the drive Terminating the driveSetting terminator power jumpers Spindle sync connectors Other applicable jumper options Several other jumper options are available as illustratedWD drives Terminating the drive ST32550W shown Term. power to Scsi bus default Scsi I/O Other option jumpers are available as illustrated below Scsi ID = WC/DC drives Applicable jumper options Option jumpers are available as illustrated belowPin J4 Pin 1 front view of J4 Page Page