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Seagate BARRACUDA 1, Руководство по установке


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BARRACUDA 1 and 2

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Disc Drive

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ST11950N/ND/W/WD

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ST12550N/ND/W/WD

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Installation Guide

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Содержание BARRACUDA 1

Страница 1: ...BARRACUDA 1 and 2 Disc Drive ST11950N ND W WD ST12550N ND W WD Installation Guide...

Страница 2: ...hlu der Kabel 39 1994 Seagate Technology Inc All rights reserved Publication Number 83327770 Rev D June 1994 Seagate SeagateTechnology andtheSeagatelogo are registered trademarks of SeagateTechnology...

Страница 3: ...by personnel not performing depot repair will damage compo nents and may void the warranty All drive electronic assemblies are sensitive to static electricity duetotheelectrostaticallysensitive devic...

Страница 4: ...move any circuit boards from the drive Never use an ohmmeter on any circuit boards Important safety information and precautions Caution Useforced airventilationwhenbench testing the drive to ensure pr...

Страница 5: ...rmed or the possible risk of each technique Consequently we have not completed any such broad evaluation If you use a non approved procedure or tool first ensure that the method you choose will not ri...

Страница 6: ...rcuit board is defective Removal of circuit boards by per sonnel not performing depot repair will damage com ponents and may void the warranty Donotremovetheheadanddiscassembly HDA from the drive chas...

Страница 7: ...ry part of meeting safety requirements is the provision for overcurrent protection on drive SELV supply voltages This unit is a component assembly and as such is not meant to comply with FCC or simila...

Страница 8: ...zulesen und zu beachten um das Risiko von Verletzungen auf ein Mindestma zu beschr nken oder ganz zu vermeiden DieWarnhinweisemachenaufSituationenoderPraktiken aufmerksam die Sie oder andere gef hrden...

Страница 9: ...inheit angemessene Sicherheitsvorkehrungen Wenn eine Einheit unter Spannung steht gehen Sie bei der Fehlerdiagnose besonders vorsichtig vor Schalten Sie die Einheit aus bevor Sie mit den Reparaturarbe...

Страница 10: ...Kopf und Festplatteneinheit HDA nicht aus dem Laufwerkgeh use nehmen Falls die HDA besch digt ist schicken Sie das gesamte Laufwerk zur Reparatur ein Die HDA ist nicht vor Ort reparierbar und darf ni...

Страница 11: ...setzungen f r die Einhaltung sicherheits oder aufsichtsbeh rdlicher Vorschriften in ihren Endprodukten und falls gesetzlich vorgeschrieben f r die Zulassung zu schaffen Eine Grundvoraussetzung zur Ein...

Страница 12: ...eaFAX USA 408 438 2620 England 44 62 847 7080 Use a touch tone telephone to access Seagate s auto mated FAX system and select technical support infor mation by return FAX This service is available 24...

Страница 13: ...no parity and one stop bit 8N1 These BBS numbers operate at 9600 baud max With this service you can access Specifications and jumper configurations for Seagate products Reprints of Seagate documentat...

Страница 14: ...s for the drive are listed in tables following the figure The drive is a component for installation in an enclosure designed for the drive This is often a rack within the system or an external enclosu...

Страница 15: ...D 13 I O Terminator Packs single ended I O only SCSI I O Connector DC Power Connector J4 J01 Figure 1 Barracuda 1 and 2 disc drive N ND type SCSI I O Connector DC Power Connector J4 J01 Pin 1 J5 Figur...

Страница 16: ...track 81 51h 81 51h Avg bytes track 49 768 49 768 Modulation RLL 1 7 code RLL 1 7 code SCSI rate Max burst transfer 10 Mbytes sec 20 Mbytes sec Seek time3 Average read 8 0 msec 8 0 msec Average write...

Страница 17: ...track 81 51h 81 51h Avg bytes track 49 768 49 768 Modulation RLL 1 7 code RLL 1 7 code SCSI rate Max burst transfer 10 Mbytes sec 20 Mbytes sec Seek time3 Average read 8 0 msec 8 0 msec Average write...

Страница 18: ...83 0 79 0 83 Maximum starting current Peak DC3 6 1 0 2 18 1 1 2 18 Peak AC3 3 1 3 1 Delayed motor start max 1 4 1 06 0 19 1 1 0 2 Peak operating current Typ DC1 10 1 07 0 91 1 47 0 91 Max DC1 1 1 0 9...

Страница 19: ...18 1 1 2 18 Peak AC3 3 1 3 1 Delayed motor start max 1 4 1 0 0 19 1 1 0 19 Peak operating current Typ DC1 10 1 03 0 91 1 21 0 91 Max DC1 1 04 0 95 1 3 0 95 Max peak 1 2 1 87 2 0 1 87 Track following D...

Страница 20: ...fied voltage tolerance is inclusive of ripple noise and transient response 6 At power up the motor current regulator limits the 12V current to an average value of less than 2 0A although instantaneous...

Страница 21: ...le Initial setup information The following topics are presented to guide you through the installation process These topics are presented in the order you should follow to properly install the drive Se...

Страница 22: ...efer to your system or controller user s manual for details about its re quirements for proper SCSI device installation Use connector J4 to set the SCSI ID on ST11950N ND and ST12550N ND drives Figure...

Страница 23: ...that you have not violated its SCSI ID numbering recommendations SCSI ID 0 SCSI ID 7 SCSI ID 1 SCSI ID 2 SCSI ID 3 SCSI ID 4 SCSI ID 5 SCSI ID 6 J4 ID2 ID1 ID0 Select SCSI ID by placing jumpers as sho...

Страница 24: ...Connector SCSI ID 8 SCSI ID 9 SCSI ID 10 SCSI ID 11 SCSI ID 12 SCSI ID 13 SCSI ID 14 SCSI ID 15 SCSI ID 0 SCSI ID 1 SCSI ID 2 SCSI ID 3 SCSI ID 4 SCSI ID 5 SCSI ID 6 SCSI ID 7 J5 4P 3P 2P 1P Pin 1 Pi...

Страница 25: ...in Figure 5 shows an internal hard disc atoneendoftheSCSIbuswiththeSCSIcontrolleratthe other end both are terminated The bottom example shows two additional SCSI devices connected exter nally thismea...

Страница 26: ...or removing terminator packs im properly can result in damage to the termina tors or surrounding components ST11950N and ST12550N drives To terminate ST11950N and ST12550N drives install terminator p...

Страница 27: ...h To remove termination remove the terminator packs by carefully pulling them out of their sockets ST11950W and ST12550W drives ST11950W and ST12550W drives are equipped with permanently mounted IC te...

Страница 28: ...ators EDT Disable drive terminators J01 Pin 1 J4 MTR DMS WP RES Figure 7 Enabling termination on ST11950W and ST12550W drives ST11950ND WD and ST12550ND WD drives ST11950ND WD and ST12550ND WD drives...

Страница 29: ...drive provides its own terminator power Terminator power from TERMPWR on the SCSI bus Terminator power to the SCSI bus The drive supplies power to TERMPWR on the SCSI bus Terminator power to the SCSI...

Страница 30: ...ary to configure all N and ND drive jumpers not discussed elsewhere in this manual Write Protect On disables writing Write Protect Off enables writing default J4 RES WP LED Write Protect option WP Res...

Страница 31: ...start default This causes the drive to start according to the Delay Motor Start option setting as described below Motor start delay equal to the SCSI ID multiplied by 10 seconds For example if the SC...

Страница 32: ...ctor SCSI I O Connector Pin 9 top pin in this illustration is negative cathode Pin 10 bottom pin is positive anode Remote LED Connector Note to subsystem designers In Europe a red LED indicates an err...

Страница 33: ...according to the Delay Motor Start option setting as described below J01 Pin 1 J4 MTR DMS WP Enable parity check of SCSI bus data default Parity Check option PAR Disable parity check of SCSI bus data...

Страница 34: ...ST11950 and ST12550 Installation Guide Rev D Synchronizing spindles If you are installing two or more Barracuda drives you may optionally want to synchronize their spindles to reduce the latency assoc...

Страница 35: ...s the reference index signal REFSIG and pin 12 provides ground GND See Figure 12 DC Power Connector SCSI I O Connector Spindle sync reference index signal REFSIG Spindle Sync Cable Connector SSC These...

Страница 36: ...master use SCSI interface commands Refer to the Product Manual for information about using these commands Master Sync Source Host or other drive Spindle Control Drive 1 5V RT J4 1 2 Spindle Control Dr...

Страница 37: ...nting 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 aroundthehead anddisc assembly HDA Also ch...

Страница 38: ...so zu orientieren oder den Luftstrom so zu lenken da der geringste Luftstromwiderstand erzeugt wird und gleichzeitig ein Luftstrom ber den Platinen und um die Kopf und Festplatteneinheit HDA gegebeni...

Страница 39: ...lows in the direction shown or in reverse direction side to side Above unit ber der Einheit Under unit Unter der Einheit Hinweis Luftstrom in der angezeigten Richtung von vorne nach hinten oder in umg...

Страница 40: ...es adequate air flow for cooling 1 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 bot...

Страница 41: ...das Laufwerk mit vier 6 32 UNC Schrauben am Geh use des Host Systems Die beiden Seiten des Laufwerkes sind mit jeweils zwei Befestigungsl chern versehen die Unterseite des Laufwerkes weist vier weiter...

Страница 42: ...14 4 83 0 381 A B C D E F G H J K L M N P R S T U max 0 010 0 010 0 011 0 020 0 005 0 005 0 010 0 010 0 010 0 020 0 010 0 020 0 015 0 015 0 010 0 010 0 010 max 25 25 28 50 13 13 25 25 25 50 25 50 38...

Страница 43: ...o the drive s SCSI connector shown earlier in Figures 3 and 4 Take care not to stretch or crimp this cable and do not block the system s cooling air flow with the cable ThedrivereceivesDCpowerthrougha...

Страница 44: ...strom versorgt Der Ausgang eines Netzteils mu SELV safety extra low voltage nach IEC 950 entsprechen Abbildung16zeigtdieSteckerbelegung f r den Gleichstromanschlu Zum Anschlu des Gleichstromkabels an...

Страница 45: ...nected to the HDA PCB ground you must provide a nonconductive elec trically isolating method of mounting the drive in thehostsystem Thismayincreaseradiatedemis sions and is the system designer s respo...

Страница 46: ...ssen Sie das Laufwerk auf nichtleitende Weise galvanisch isoliert im Host System einbauen Die daraus u U resultierende verst rkte elektromagnetische Strahlung f llt in den Zust ndigkeitsbereich des S...

Страница 47: ...eviously been used to store data unless your intention is to erase all user data 1 Turn on DC power 2 Boot the system from a system floppy disc or from a previously installed hard disc drive if there...

Страница 48: ...Seagate Technology Inc 920 Disc Drive Scotts Valley CA 95066 4544 USA Publication Number 83327770 Rev D Printed in USA...

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