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Barracuda 36 Installation Guide, Rev. B

LW drives

Figure 7.

Setting the SCSI ID on model “LW” drives

SCSI ID = 0

(default)

Jumper Plug

(enlarged to
show detail)

Drive

Front

Pin 1

Reserved

[1]

SCSI ID = 1

SCSI ID = 2

SCSI ID = 3

SCSI ID = 4

SCSI ID = 5

SCSI ID = 6

SCSI ID = 7

SCSI ID = 8

SCSI ID = 9

SCSI ID = 10

SCSI ID = 11

SCSI ID = 12

SCSI ID = 13

SCSI ID = 14

SCSI ID = 15

Содержание Barracuda 36

Страница 1: ...Barracuda 36 Disc Drive ST136475LW LC Installation Guide...

Страница 2: ...s section 44 1997 1999 Seagate Technology Inc All rights reserved Publication Number 77767529 Rev B May 1999 Seagate Seagate Technology and the Seagate logo are regis tered trademarks of Seagate Techn...

Страница 3: ...es 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 degra...

Страница 4: ...e 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 oth ers The cautions point out conditions or...

Страница 5: ...in accordance with UL1950 EN60950 CAN CSA C22 2 950 95 and VDE0805 Seagate takes all reasonable steps to ensure that its products are certifiable to currently accepted standards Typical applica tions...

Страница 6: ...eise machen auf Situationen oder Praktiken aufmerksam die Sie oder andere gef hrden k nnten Die Vorsichtshinweise machen auf Situationen oder Praktiken aufmerksam die Einheit besch digen k nnen so da...

Страница 7: ...ratur gew hnlich am h chsten ist Befolgen Sie die oben unter Electrostatic Discharge Protec tion angegebenen Sicherheitsma nahmen Nehmen Sie keine Platinen aus dem Laufwerk Wenn eine Platine defekt is...

Страница 8: ...laufwerk vorbehaltlich der endg ltigen Zulasssung im Endprodukt Designer von Untersystemen sind daf r verantwortlich die Voraussetzungen f r die Einhaltung sicherheits oder aufsichtsbeh rdlicher Vorsc...

Страница 9: ...gnetic compliance Seagate uses an independent laboratory to confirm compliance to the directives standard s for CE Marking and C Tick Marking The drive was tested in a representative system for typica...

Страница 10: ...netic Compatibility Direc tive 89 336 EEC of 03 May 1989 as amended by Directive 92 31 EEC of 28 April 1992 and Directive 93 68 EEC of 22 July 1993 Australian C Tick If this model has the C Tick Marki...

Страница 11: ...pport email email_disc_support shtml or DiscSupport Seagate com Tape http www seagate com support email email_tape_support shtml or TapeSupport Seagate com SeaBOARD is a computer bulletin board system...

Страница 12: ...pe products and tape accessories through Seagate Express 24 hours daily by calling 1 800 531 0968 or by faxing your order to 1 972 481 4812 Technical Support If you need help installing your drive con...

Страница 13: ...f purchase Authorized Service Centers If you live outside the US you can contact an Authorized Service Center for service or repair USA Canada Latin America Support Services Presales Support Disc 1 87...

Страница 14: ...Support Services For European customer support dial the toll free number for your specific country for presales support technical support SeaFAX and warranty repair If your country is not listed here...

Страница 15: ...iddle East Support Services For presales technical support warranty repair and FAX ser vices in Africa and the Middle East dial our European call center at 31 20 316 7222 from 8 30 a m to 5 00 p m Eur...

Страница 16: ...14 Barracuda 36 Installation Guide Rev B SeaFAX Australia 61 2 9756 5170 Warranty Repair Japan 81 3 5462 2904 FAX 81 3 5462 2979 Asia Pacific and 65 485 3595 FAX 65 488 7503 Australia...

Страница 17: ...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 cooling...

Страница 18: ...erage write 8 4 msec Disk rotation RPM 7 200 r min Average latency 4 17 msec Internal transfer rate variable with zone 137 240 Mbits sec Maximum synchronous SCSI transfer rate LW LC 80 Mbytes sec 1 Ca...

Страница 19: ...n completed and that the drive is able to accept selection by the host initiator 3 See the 12V current profile in the Barracuda 36 Product Manual publication number 77767528 4 This condition occurs wh...

Страница 20: ...ply 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 drives from a common supply carefully...

Страница 21: ...articular model Drive models Page ST136475LW 39 ST136475LC 44 General information The following general information topics are discussed SCSI ID jumpers Drive termination Terminator power Interface dr...

Страница 22: ...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 requi...

Страница 23: ...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...

Страница 24: ...I O circuits Multi mode circuits operate either in single ended mode or low volt age differential mode No high voltage differential devices should be connected in the I O daisy chain with LW or LC mo...

Страница 25: ...r than the standard non wide 8 bit SCSI data bus how ever you can use these wide drives on a standard non wide 8 bit data bus However the unused lines must be terminated the same as the used lines Fig...

Страница 26: ...1142D docu ment It is recommended that the devices be uniformly spaced between terminators with the end devices located as close as possi ble to the terminators 3 Values specified by data rate shall...

Страница 27: ...within a stub length of the termination 1 meter 3 Values specified by data rate shall apply even if a slower data rate is negotiated 4 Loads spaced at least eight inches 20 3 cm apart cables Refer to...

Страница 28: ...26 Barracuda 36 Installation Guide Rev B Figure 3a Sixty eight pin connection to drive...

Страница 29: ...T10 1142D including host adapter initiator The cable length restriction limits the total number of devices allowed 5 SCSI ID7 has highest arbitration priority For LW models priority is ID7 to ID0 then...

Страница 30: ...8 Barracuda 36 Installation Guide Rev B Note This drive model plugs directly into a backplane connec tor and therefore uses no cables Figure 3c Drive model LC with single 80 pin I O and power connecto...

Страница 31: ...ts remains within acceptable limits during drive operation We recommend orienting the drive or directing the air flow in a way that creates the least amount of air flow resistance while providing air...

Страница 32: ...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...

Страница 33: ...air flow Abbildung 4 Empfohlener Luftstromverlauf Note Air flows in the direction shown front to back or in reverse direction back to front Note Air flows in the direction shown or in reverse directi...

Страница 34: ...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...

Страница 35: ...l 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 drive and the host system are corr...

Страница 36: ...d ber einen 4 poligen neben dem SCSI Anschlu befestigten Steckverbinder mit Gleichstrom ver sorgt Der Ausgang eines Netzteils mu SELV safety extra low voltage nach IEC 950 entsprechen Abbildung 5 zeig...

Страница 37: ...drive in the host system This may increase radiated emissions and is the system designer s responsibility Hinweis Die Signalerde auf der bedruckte computerplatine mon tage PCBA und der Kopf und Festpl...

Страница 38: ...da 36 Installation Guide Rev B elektromagnetische Strahlung f llt in den Zust ndigkeits bereich des Systemdesigners 5 Replace the host system s cover 5 Setzen Sie das Geh useoberteil des Host Systems...

Страница 39: ...th into side of drive 0 15 in 3 81 mm Screw tightening torque 6 0 in lb 675 NM max with minimum thread engagement of 0 12 in 3 05 mm Mounting holes four on bottom 6 32 UNC Max screw length into bottom...

Страница 40: ...Format the disc drive Barracuda 36 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 se...

Страница 41: ...s on the appropriate pins as shown in the illustration Optional connections to switching circuits in host equipment are provided on J1 auxiliary to set the SCSI ID see Figure 8 Terminating the drive L...

Страница 42: ...model LW drives SCSI ID 0 default Jumper Plug enlarged to show detail J6 Drive Front Pin 1 Reserved A2A1A0 1 A L E D R E S 3 SCSI ID 1 SCSI ID 2 SCSI ID 3 SCSI ID 4 SCSI ID 5 SCSI ID 6 SCSI ID 7 SCSI...

Страница 43: ...1 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 ID selection us...

Страница 44: ...For example if the SCSI ID 2 the drive starts in 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...

Страница 45: ...or reference only Figure 10 Additional jumper option for LW drives A jumper here forces single ended I O operation 2 No jumper allows host to select either single ended or LVD operation S E D S M E W...

Страница 46: ...er the SCSI bus 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 LC model drives do not have internal...

Страница 47: ...tect Off enables writing Write 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...

Страница 48: ...the SE jumper is not on the SCSI I O can operate in either single ended or low voltage differential LVD mode depending on which mode the host device has selected using the DIFFSNS I O line The SE jump...

Страница 49: ...own here for reference only Figure 12 Additional jumper option for LC drives S E D S M E W P P D R E S R E S R E S Pin 1 J2 J2 Jumper Plug enlarged to show detail J2 Drive Front J6 A jumper here force...

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Страница 52: ...Seagate Technology Inc 920 Disc Drive Scotts Valley CA 95066 4544 USA Publication Number 77767529 Rev B Printed in USA...

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