Seagate Barracuda 4LP Installation Manual Download Page 52

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Seagate Technology, Inc.
920 Disc Drive, Scotts Valley, CA 95066-4544, USA

Publication Number: 77767492, Rev. B, Printed in USA

Summary of Contents for Barracuda 4LP

Page 1: ...Barracuda 4LP Disc Drive ST34371N W WC WD DC ST32171N W WC WD DC ST34571N W WC WD DC ST32271N W WC WD DC Installation Guide...

Page 2: ...rives section 45 1997 Seagate Technology Inc All rights reserved Publication Number 77767492 Rev B January 1997 Seagate Seagate Technology and the Seagate logo are regis tered trademarks of Seagate Te...

Page 3: ...ces 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 degr...

Page 4: ...unit contain warnings and cautions that must be carefully read and followed to minimize or eliminate the risk of personal injury The warnings point out conditions or practices that may endanger you or...

Page 5: ...performing depot repair this will damage components and void the warranty As a component this drive is designed to be installed and oper ated in accordance with UL1950 EN60950 CSA C22 2 950 M89 and VD...

Page 6: ...e Diese Hinweise sind sorgf ltig durchzulesen und zu beachten um das Risiko von Verletzungen auf ein Mindestma zu beschr nken oder ganz zu vermeiden Die Warnhinweise machen auf Situationen oder Prakti...

Page 7: ...der Geh use montiert ist sorgen Sie daf r da die Temperatur im Inneren des Gestells oder Geh uses die f r das Laufwerk vorgege benen Grenzwerte nicht bersteigt Wenn Einheiten vertikal bereinander bete...

Page 8: ...rtig geltenden Standards zu gew hrleisten Zu den typischen Anwendungen dieser Festplattenwerke z hlen Systemeinbau durch den Kunden und die Konstruktion von Untersystemen Sicherheits beh rden gew hren...

Page 9: ...1993 Seagate uses an independent laboratory to confirm compliance to the above directives The drive was tested in a representative system for typical applications The selected system represents the mo...

Page 10: ...ecifications for disc drives and tape drives This service is available 24 hours daily and requires a touch tone phone If you need to speak to a technical support engineer dial this number and listen t...

Page 11: ...CompuServe Forum Online technical support for Seagate products is available on CompuServe To access our technical support forum type go seagate This forum provides information similar to that found o...

Page 12: ...hours daily Responses are sent during business hours Seagate technical support You can talk to a technical support specialist during business hours Monday through Friday for one on one technical help...

Page 13: ...2 30 P M to 5 00 P M Pacific time Monday through Friday Location Telephone number United States Please dial 1 800 SEAGATE for the specific product telephone number 6 00 A M to 11 15 A M 12 30 P M to 5...

Page 14: ...n the system or an external enclosure designed to house one or more disc drives or other peripheral units In either case the disc drive must receive adequate cooling refer to Providing adequate coolin...

Page 15: ...data heads ST32171 ST32271 5 ST34371 ST34571 10 Access time 3 Average read 9 4 msec Average write 10 4 msec Disk rotation RPM 7 200 r min Average latency 4 17 msec Internal transfer rate variable wit...

Page 16: ...nts Amps Notes for this table follows Table 2b ST34371 ST34571 N W WC Single ended WD DC Differential Voltage 5V 12V 5V 12V Regulation 5 5 5 2 5 5 2 Max operating current DC3 1 0 81 0 95 1 21 0 95 Avg...

Page 17: ...3 See the 12V current profile in the Barracuda 4LP Product Manual publication number 77767491 4 This condition occurs when the Motor Start option is enabled and the drive has not yet received a Start...

Page 18: ...Minimum current loading for each supply voltage is not less than 4 of the maximum operating current shown 2 Use separate ground returns for 5V and 12V supplies 3 Where power is provided to multiple dr...

Page 19: ...34571N 36 ST32171W WD ST32271W WD ST34371W WD ST34571W WD 40 ST32171WC DC ST32271WC DC ST34371WC DC ST34571WC DC 45 General information The following general information topics are discussed SCSI ID j...

Page 20: ...details about its requirements for proper SCSI device installation Note This drive is a SCAM SCSI Configured Auto Magically compliant drive If the system into which you are installing this drive requ...

Page 21: ...he top example in Figure 2 shows an internal hard disc at one end of the SCSI bus with the SCSI controller at the other end both are terminated The bottom example shows two additional SCSI devices con...

Page 22: ...ic section I O circuits and data path widths WD and DC models use differential I O circuits You cannot mix these models with single ended models N W WC on the same SCSI bus The circuits are incompatib...

Page 23: ...maximum cable length of 25 meters 82 feet is allowed A maximum of 8 devices can be connected on an 8 bit wide data bus and a maximum of 16 devices can be connected on a 16 bit wide data bus Table 4 Ca...

Page 24: ...22 Barracuda 4LP Installation Guide Rev B Figure 3a Fifty pin I O connection to drive Figure 3b Sixty eight pin connection to drive Pin 1 HDA Pin 1 HDA...

Page 25: ...ble number of devices on the SCSI bus See Table 4 and system documentation Figure 3c Multiple drive connection to host adapter Host Adapter PCB Pin 1 check your adapter for Pin 1 location SCSI ID X or...

Page 26: ...allowable number of devices on the SCSI bus See Table 4 and system documentation 3 External terminator Figure 3d Multiple drive connection to host adapter Host Adapter PCB Pin 1 check your adapter for...

Page 27: ...cuda 4LP Installation Guide Rev B 25 Note This drive model plugs directly into a backplane connec tor and therefore uses no cables Figure 3e Drive model WC or DC with single 80 pin I O and power conne...

Page 28: ...ting the drive or directing the air flow in a way that creates the least amount of air flow resistance while providing air flow above the circuit boards and around the head and disc assembly HDA Also...

Page 29: ...entieren oder den Luft strom so zu lenken da der geringste Luftstromwiderstand erzeugt wird und gleichzeitig ein Luftstrom ber den Platinen und um die Kopf und Festplatteneinheit HDA gegeben ist W hle...

Page 30: ...unit Unter der Einheit Note Air flows in the direction shown back to front or in reverse direction front to back Hinweis Luftstrom in der angezeigten Richtung von vorne nach hinten oder in umgekehrter...

Page 31: ...drive The maximum length that the screws should extend into the chassis mounting holes is 0 15 inch 3 81 mm measured from the outer surface of the chassis Tighten the screws down evenly Do not over t...

Page 32: ...nder ausgerichtet In diesem Fall die Schraube nicht in das Gewindeloch forcieren sondern die Schraube herausnehmen und erneut in das Gewindeloch einf hren 2 Verify that all connections between the dri...

Page 33: ...Systems nicht behindern Das Laufwerk wird ber einen 4 poligen neben dem SCSI Anschlu befestigten Steckverbinder mit Gleichstrom ver sorgt Der Ausgang eines Netzteils mu SELV safety extra low voltage n...

Page 34: ...ating method of mounting the drive in the host system This may increase radiated emissions and is the system designer s responsibility Hinweis Die Signalerde auf der Stromregelungskarte PCB und der Ko...

Page 35: ...B 33 tem einbauen Die daraus u U resultierende verst rkte elektromagnetische Strahlung f llt in den Zust ndigkeits bereich des Systemdesigners 5 Replace the host system s cover 5 Setzen Sie das Geh us...

Page 36: ...imum thread engagement of 0 12 in 3 05 mm 3 Power and interface connectors can extend past the A dimension by 0 040 in 1 02 mm 4 Decorative front panel optional 5 Although the illustration shows the 5...

Page 37: ...Format the disc drive Barracuda 4LP disc drives are designed to operate with a variety of operating systems Please refer to your system or SCSI controller manual for information about formatting and s...

Page 38: ...ID see Figure 7 To change the SCSI ID install jumpers on the appropriate pins as shown in the illustration Figure 7 Setting the SCSI ID on model N drives A2 A1 A0 SCSI ID 0 SCSI ID 1 SCSI ID 2 SCSI I...

Page 39: ...rminators by removing the jumper TE from pins 15 and 16 of connector J2 see Fig ure 8 If you install the drive on the end of the SCSI bus enable termination by installing a jumper on pins 15 and 16 of...

Page 40: ...eed to change this option and can leave the drive configured as it was shipped from the factory Figure 9 Setting terminator power jumpers Term Power to SCSI Bus Term Power from Drive default N model d...

Page 41: ...24 seconds Delay Motor Start option valid only if the Enable Motor Start jumper is not connected Enable motor start The drive waits for the Start Unit command from the host before starting the spindl...

Page 42: ...ion Optional connections to switching cir cuits in host equipment are provided on J1 auxiliary to set the SCSI ID see Figure 12 Figure 11 Setting the SCSI ID on model W WD drives A2 A3 A1 A0 SCSI ID 0...

Page 43: ...nd default A0 A1 A2 A3 11 9 7 5 3 1 12 10 8 6 4 2 Host Alternate Usage Plug Pins 1 3 5 and 7 are optional connections to switching circuits in host equipment to establish drive ID Remote Switches For...

Page 44: ...g a jumper on pins 15 and 16 of connector J2 see Figure 13 Note Use active ANSI SCSI 2 Alternative 2 terminators when terminating the bus WD model drives do not have internal terminators or any other...

Page 45: ...e two possible terminator power TP configurations for WD model drives see Figure 14 Figure 14 Setting terminator power jumpers Term Power to SCSI Bus Term Power from Drive default W model drives T E D...

Page 46: ...4 seconds Delay Motor Start option valid only if the Enable Motor Start jumper is not connected Enable motor start The drive waits for the Start Unit command from the host before starting the spindle...

Page 47: ...by the host system using connector contacts 39 ID0 40 ID2 79 ID1 and 80 ID3 Users need not install jumpers to select SCSI ID Terminating the drive WC and DC model drives do not have internal terminat...

Page 48: ...ite protect On disables writing Write Protect option The host system has complete control over motor start functions Do not install a jumper on these pins Delay Motor Start option The host system has...

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Page 52: ...Seagate Technology Inc 920 Disc Drive Scotts Valley CA 95066 4544 USA Publication Number 77767492 Rev B Printed in USA...

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