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Seagate 2HP ST12450W/WD, Руководство по установке

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BARRACUDA

 

2, 2HP

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Disc Drive

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ST12450W/WD

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Installation Guide

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Содержание 2HP ST12450W/WD

Страница 1: ...BARRACUDA2 2HP Disc Drive ST12450W WD Installation Guide...

Страница 2: ...echnology Inc All rights reserved Publication Number 83328890 Rev B March 1995 Seagate Seagate Technology and the Seagate logo are registered trademarks of Seagate Technology Inc Barracuda SeaFAX SeaF...

Страница 3: ...depot repair will damage com ponents and may void the warranty All drive electronic assemblies are sensitive to static electricity due to the electrostatically sensitive devices used within the drive...

Страница 4: ...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 proper...

Страница 5: ...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 risk e...

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: ...safety requirements is the provision for overcurrent protection on drive SELV supply voltages This unit is a component part and as such is not meant to comply with FCC or similar national requirement...

Страница 8: ...gen auf ein Mindestma zu beschr nken oder ganz zu vermeiden DieWarnhinweisemachenaufSituationenoderPraktiken aufmerksam die Sie oder andere gef hrden k nnten Die Vorsichtshinweise machen auf Situation...

Страница 9: ...svorkehrungen Wenn eine Einheit unter Spannung steht gehen Sie bei der Fehlerdiagnose besonders vorsichtig vor Schalten Sie die Einheit aus bevor Sie mit den Reparaturarbeiten beginnen Tragen Sie Sich...

Страница 10: ...f 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 nicht...

Страница 11: ...ungen 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 Einhalt...

Страница 12: ...e number s local dialing area SeaFAX USA 408 438 2620 England 44 62 847 7080 Youcanuseatouch tonetelephonetoaccessSeagate s automated FAX delivery system and select technical support information by re...

Страница 13: ...BBS is available 24 hours a day 7 days a week A modem is required to access this service The commu nications software must be set for eight data bits no parity and one stop bit 8N1 9600 baud max With...

Страница 14: ...r requirements for the drives 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 ex...

Страница 15: ...SCSI I O Connector DC Power Connector J4 J01 J5 Figure 1 Barracuda 2 2HP disc drive ST12450W WD Installation Guide Rev B 13...

Страница 16: ...ical 18 Heads logical 9 Modulation RLL 1 7 code SCSI rate Max burst transfer 20 Mbytes sec Seek time3 Average read 8 0 msec Average write 9 0 msec Disc rotation RPM 7 200 Average latency 4 17 msec 1Ca...

Страница 17: ...art max 4 1 25 1 5 1 31 1 5 Peak operating current Typ DC1 10 1 3 0 84 1 6 0 84 Max DC1 1 32 0 91 1 65 0 91 Max peak 1 4 1 85 2 4 1 85 Track following DC at OD1 1 3 0 78 1 4 1 85 at ID1 1 3 0 82 1 4 0...

Страница 18: ...erance is inclu sive 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 peaks may exce...

Страница 19: ...hrough the installation process These topics are presented in the order you should follow to properly install the drive Setting the SCSI ID jumpers Terminating the drive Changing other applicable jump...

Страница 20: ...system or controller user s manual for details about its re quirements for proper SCSI device installation Use connector J5 to set the SCSI ID Figure 2 Most Barracuda disc drives are factory set with...

Страница 21: ...I O 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 default 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...

Страница 22: ...in Figure 3 shows an internal hard disc atoneendoftheSCSIbuswiththeSCSIcontrolleratthe other end both are terminated The bottom example shows two additional SCSI devices connected exter nally thismean...

Страница 23: ...he end of the SCSI bus ensure that a jumper is installed on pins 11 and 12 of connector J4 Note Use active t erminators when terminating the bus ST12450WD differential drives do not have internal term...

Страница 24: ...rive configured as it was shipped from the factory ST12450WDdrives shouldbe configuredwith ajumper connecting J01pins1and 3 and no jumper on J01pins 2 and 4 as illustrated in Figure 5 Figure 5 Setting...

Страница 25: ...otneedtochangeanyofthesejumpersfornormaldrive operation Figures 6a and 6b provide the information necessary to configure all jumpers not discussed else where in this manual Pin 9 top pin is negative c...

Страница 26: ...ing as described below default J01 Pin 1 J4 MTR DMS WP Enable parity check of SCSI bus data Parity Check option PAR Disable parity check of SCSI bus data default Motor start delay equal to the SCSI ID...

Страница 27: ...o another Spindle sync cables are used to connect the drives Use pins 11 and 12 on the J5 connector to attach the spindle sync cable Pin 11 provides the reference index signal REFSIG and pin 12 provid...

Страница 28: ...ly a disc drive located on the same SCSI bus as the other drives you want to synchronize with To designate a drive as the master use SCSI interface commands Refer to the product manual for information...

Страница 29: ...g 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 cho...

Страница 30: ...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 gegebenist W...

Страница 31: ...own back to front or in reverse direction front to back Note Air flows in the direction shown or in reverse direction side to side Above unit ber der Einheit Under unit Unter der Einheit Hinweis Lufts...

Страница 32: ...eives 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...

Страница 33: ...n Sie 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...

Страница 34: ...drive s SCSI connector shown earlier in Figure 1 Take care not to stretch or crimp this cable and do not block the system s cooling air flow with the cable ThedrivereceivesDCpowerthrougha4 pinconnec t...

Страница 35: ...Der Ausgang eines Netzteils mu SELV safety extra low voltage nach IEC 950 entsprechen Abbildung10zeigtdieSteckerbelegung f r den Gleichstromanschlu Zum Anschlu des Gleichstromkabels an das Laufwerk d...

Страница 36: ...to the HDA PCB ground you must provide a nonconductive electrically isolating method of mounting the drive in the host system Thismayincreaseradiatedemissionsand is the system designer s responsibili...

Страница 37: ...n 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 Syste...

Страница 38: ...reviously 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 39: ......

Страница 40: ...Seagate Technology Inc 920 Disc Drive Scotts Valley CA 95066 4544 USA Publication Number 83328890 Rev B Printed in USA...

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