Seagate BARRACUDA ST11950N/ND/W/WD User Manual

BARRACUDA 1 and 2Disc DriveST11950N/ND/W/WDST12550N/ND/W/WDInstallation Guide

8 ST11950 and ST12550 Installation Guide, Rev. D• Befolgen Sie die oben unter “Electrostatic DischargeProtection” angegebenen Sicherheitsmaßnahmen.• N

ST11950 and ST12550 Installation Guide, Rev. D 9geltenden Standards zu gewährleisten. Zu den typischenAnwendungen dieser Festplattenwerke zählenSystem

10 ST11950 and ST12550 Installation Guide, Rev. DTechnical support servicesSeagate Technology provides technical support litera-ture and diagnostic ut

ST11950 and ST12550 Installation Guide, Rev. D 11access this service, which is available from 8:00 A.M. to5:00 P.M. PST, Monday through Friday.SeaBOAR

12 ST11950 and ST12550 Installation Guide, Rev. DGeneral descriptionBarracuda 1 and 2 SCSI disc drives are high-speed,random-access digital-data stor

ST11950 and ST12550 Installation Guide, Rev. D 13I/O Terminator Packs(single-ended I/O only)SCSI I/OConnectorDC Power ConnectorJ4J01Figure 1. Barrac

14 ST11950 and ST12550 Installation Guide, Rev. DCharacteristics ST11950N/ND ST11950W/WDInterface Fast SCSI-21Fast & Wide SCSI-21Multi-seg. cache

ST11950 and ST12550 Installation Guide, Rev. D 15Characteristics ST12550N/ND ST12550W/WDInterface Fast SCSI-21Fast & Wide SCSI-21Multi-seg. cache

16 ST11950 and ST12550 Installation Guide, Rev. DDC power requirementsfor ST11950N/ND and ST12550N/ND drivesSingle-ended Differential+++++5V+++++12V++

ST11950 and ST12550 Installation Guide, Rev. D 17DC power requirementsfor ST11950W/WD and ST12550W/WD drivesSingle-ended Differential+++++5V+++++12V++

ContentsPreface ... 1Electrostatic discharge protection ... 1Im

18 ST11950 and ST12550 Installation Guide, Rev. Dcontinued from previous page2A −10% tolerance is permissible during initial start of thespindle but

ST11950 and ST12550 Installation Guide, Rev. D 19continued from previous page11No terminator power. See Section 11.7.3.4 in the Prod-uct Manual.12All

20 ST11950 and ST12550 Installation Guide, Rev. DSetting the SCSI ID jumpersEach device on the SCSI chain must have a unique SCSIID. The host system’s

ST11950 and ST12550 Installation Guide, Rev. D 21Also check your system or controller user’s manual toensure that you have not violated its SCSI ID nu

22 ST11950 and ST12550 Installation Guide, Rev. DDC PowerConnectorSCSI I/OConnectorSCSI ID = 8SCSI ID = 9SCSI ID = 10SCSI ID = 11SCSI ID = 12SCSI ID

ST11950 and ST12550 Installation Guide, Rev. D 23Terminating the driveIf you are installing the drive in a system that has otherSCSI devices installed

24 ST11950 and ST12550 Installation Guide, Rev. DRefer to the appropriate section below for instructions interminating a drive.Caution. Installing or

ST11950 and ST12550 Installation Guide, Rev. D 25Note. All single-ended terminators must be ANSISCSI-2 alternative 2 active terminators.To install

26 ST11950 and ST12550 Installation Guide, Rev. DEnable drive terminators.J4EDTRESPAREnable Drive Terminators (EDT)Disable drive terminators.J01Pin 1J

ST11950 and ST12550 Installation Guide, Rev. D 27Terminator powerSingle-ended (N and W) drives have four valid configu-rations for terminator power (s

ST11950 and ST12550 Installation Guide, Rev. D 1PrefaceThis manual contains information for users of theSeagate® ST11950N/ND, ST11950W/WD, ST12550

28 ST11950 and ST12550 Installation Guide, Rev. DChanging other applicable jumper optionsBarracuda 1 and 2 drives are designed to be used in avariety

ST11950 and ST12550 Installation Guide, Rev. D 29Enable parity check of SCSI bus data(default).J4PARMTRDMSParity Check option (PAR)Disable parity che

30 ST11950 and ST12550 Installation Guide, Rev. DFigures 10a and 10b provide the information necessaryto configure all W and WD drive jumpers not disc

ST11950 and ST12550 Installation Guide, Rev. D 31Figure 10b.Additional jumper optionsfor ST11950W/WD and ST12550W/WD drivesJ4RESRESPARReserved for fac

Spindle sync reference index signal(REFSIG+).J4SSCSpindle Sync Cable Connector(SSC). These pins are used toconnect a spindle sync cable.Ground (GND).S

ST11950 and ST12550 Installation Guide, Rev. D 33For W- and WD-type drives, use pins 11 and 12 on theJ5 connector to attach the spindle sync cable. Pi

34 ST11950 and ST12550 Installation Guide, Rev. DFigure 13 illustrates a typical synchronized spindleconfiguration.After connecting each drive with sp

ST11950 and ST12550 Installation Guide, Rev. D 35Providing adequate coolingThe enclosure design must ensure adequate coolingfor the drive. The maximu

36 ST11950 and ST12550 Installation Guide, Rev. DKühlung des SystemsDie Gehäusekonstruktion muß eine ausreichendeKühlung des Laufwerkes gewährleisten.

ST11950 and ST12550 Installation Guide, Rev. D 37Above unitÜber der EinheitUnder unitUnter der EinheitNote. Air flows in the direction shown (back to

2 ST11950 and ST12550 Installation Guide, Rev. D• Ground yourself to the drive whenever the drive elec-tronics are or will be exposed. Connect yoursel

38 ST11950 and ST12550 Installation Guide, Rev. DMounting the drive and connecting cablesDo not touch the connector pins or any components onthe contr

ST11950 and ST12550 Installation Guide, Rev. D 39Installation des Laufwerkesund Anschluß der KabelBeachten Sie beim Handhaben und Anfassen derAnschluß

40 ST11950 and ST12550 Installation Guide, Rev. DTURF(1)EDKLAM(3)NCPBSHGJNotes:(1)(2)(3)(4)Inches Millimeters5.7404.0001.615.6154

ST11950 and ST12550 Installation Guide, Rev. D 412. Verify that all connections between the drive and thehost system are correctly installed.2. Prüfen

42 ST11950 and ST12550 Installation Guide, Rev. Ddarf nicht gedehnt oder gedrückt werden und es darfden Luftstrom zur Kühlung des Systems nichtbehinde

ST11950 and ST12550 Installation Guide, Rev. D 43Note. Signal ground on the power control board (PCB)and the head and disc assembly (HDA) are con-nect

44 ST11950 and ST12550 Installation Guide, Rev. DSystemgehäuse nicht an die HDA/PCB-Erdunganschließen wollen, müssen Sie das Laufwerkauf nichtleitende

ST11950 and ST12550 Installation Guide, Rev. D 45Formatting the driveWarning. Formatting a drive erases all user data. Besure that you understand this

Seagate Technology, Inc.920 Disc Drive, Scotts Valley, CA 95066-4544, USAPublication Number: 83327770, Rev. D, Printed in USA

ST11950 and ST12550 Installation Guide, Rev. D 3read and followed to minimize or eliminate the risk ofpersonal injury. The warnings point out conditi

4 ST11950 and ST12550 Installation Guide, Rev. D• Ensure that the internal temperature of the rack orcabinet does not exceed the limits defined for th

ST11950 and ST12550 Installation Guide, Rev. D 5dards. Typical applications of these disc drives includecustomer packaging and subsystem design. Safet

6 ST11950 and ST12550 Installation Guide, Rev. Ddürfen nur von qualifiziertem Fachpersonalvorgenommen werden. Wir empfehlen die Verfahren indiesem Han

ST11950 and ST12550 Installation Guide, Rev. D 7zuerst sicher, daß das gewählte Verfahren weder Ihrepersönliche Sicherheit noch die Leistung der Einhe