Seagate ST31250W/WD/WC/DC, ST32550W/WD/WC/DC, ST31250N/ND manual Pin J4 Pin 1 front view of J4

Page 48

46Barracuda 2LP Installation Guide, Rev. E

WC/DC drives

Pin 1

J2

J4

J4 Pin 1 (front view of J4)

Pin 2

Pin 1

SCSI ID = 0

Fault LED pin (–)

SCSI ID = 1

Vendor Unique

SCSI ID = 2

SSREF (+)

SCSI ID = 3

Unit Active LED pin (–)

Not used

Ground

+5 volts

Not connected

Reserved

Figure 15b. Additional jumper options

Image 48

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 ForumSeaFONE 408 SeaTDD 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