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14

Barracuda 4 Installation Guide, Rev. E

SCSI I/O

Connector

DC Power
Connector

J4

J01

Pin 1

J5

Figure 3. Barracuda 4 disc drive (WC/DC)

Figure 2. Barracuda 4 disc drive (W/WD)

J4

J6

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Summary of Contents for BARRACUDA 4

Page 1: ...BARRACUDA 4 Family ST15150N ND DC ST15150W WD WC Installation Guide...

Page 2: ...D drives section 35 W WD drives section 40 WC DC drives section 46 1995 Seagate Technology Inc All rights reserved Publication Number 83328870 Rev E July 1995 Seagate Seagate Technology and the Seagat...

Page 3: ...forming 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 de vices used within t...

Page 4: ...om the drive Never use an ohmmeter on any circuit boards When installing the drive on a carrier or tray dis charge the carrier or tray prior to inserting it into the system Important safety informatio...

Page 5: ...ow evaluate and advise you of all the ways in which maintenance might be performed or the possible risk of each technique Consequently we have not completed any such broad evaluation If you use a non...

Page 6: ...om the drive chassis Return the entire drive for depot repair if any circuit board is defective Removal of circuit boards by personnel not performing depot repair will damage components and may void t...

Page 7: ...regulatory agency compliance in their end use products and for certifying where required by law A necessary part of meeting safety requirements is the provision for overcurrent protection on drive SEL...

Page 8: ...fkleber auf dem Ger t enthalten Warn und Vorsichtshinweise Diese Hinweise sind sorgf ltig durchzulesen und zu beachten um das Risiko von Verletzungen auf ein Mindestma zu beschr nken oder ganz zu verm...

Page 9: ...eise in diesem Handbuch Treffen Sie beim Betrieb oder bei der Reparatur der Einheit angemessene Sicherheitsvorkehrungen Wenn eine Einheit unter Spannung steht gehen Sie bei der Fehlerdiagnose besonder...

Page 10: ...digung der Komponenten und Erl schendesGarantieanspruchs f hren Die vormontierte Kopf und Festplatteneinheit HDA nicht aus dem Laufwerkgeh use nehmen Falls die HDA besch digt ist schicken Sie das ges...

Page 11: ...rsystemen sind daf r verantwortlich die Voraussetzungen f r die Einhaltung sicherheits oder aufsichtsbeh rdlicher Vorschriften in ihren Endprodukten und falls gesetzlich vorgeschrieben f r die Zulassu...

Page 12: ...om outside of the number s local dialing area Seagate also has a forum on CompuServe SeaFAX USA 408 438 2620 England 44 62 847 7080 Use a touch tone telephone to access Seagate s auto mated FAX system...

Page 13: ...to the phone line A TDD device is required to access this service which is available 8 00 A M to 5 00 P M PST Monday through Friday SeaBOARD The Seagate Technical Support Bulletin Board System BBS is...

Page 14: ...uide Rev E Telephone Location number USA Mexico Latin America 408 438 8771 England 44 62 847 8011 Germany 49 89 140 9331 Singapore 65 292 6973 Australia 61 2 756 2359 Canada 416 856 5581 France 33 1 4...

Page 15: ...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 enclosure designed to house one or more disc drives In either ca...

Page 16: ...14 Barracuda 4 Installation Guide Rev E SCSI I O Connector DC Power Connector J4 J01 Pin 1 J5 Figure 3 Barracuda 4 disc drive WC DC Figure 2 Barracuda 4 disc drive W WD J4 J6...

Page 17: ...de Synchronous SCSI rate Max burst transfer 10 Mbytes sec 20 Mbytes sec Seek time3 Average read 8 0 msec 8 0 msec Average write 9 0 msec 9 0 msec Disc rotation RPM 7 200 7 200 Average latency 4 17 mse...

Page 18: ...3 2 18 1 02 2 18 Peak AC 3 3 3 10 3 10 Delay motor start Max DC 3 1 4 0 95 0 10 0 94 0 10 Peak operating current Typical DC X 1 10 0 92 0 86 1 13 0 86 Max DC 3 1 0 95 0 95 1 19 0 95 Max peak AC 3 1 08...

Page 19: ...This condition occurs when the Motor Start Option is enabled and the drive has not yet received a Start Motor command 15See Conducted noise immunity in the Barracuda 4 Product Manual Specified voltage...

Page 20: ...tion is defined as a third stroke seek at ODandreadonetrack Acommandisissuedevery0 063 secforN W WD WC DCdrives 0 075secforNDdrives 11No terminator power See 11 7 3 4 in the Barracuda 4 Product Manual...

Page 21: ...specific section listed below for additional infor mation about configuring and installing your particular model Drive models Page ST15150N ND 35 ST15150W WD 40 ST15150WC DC 46 General information The...

Page 22: ...SCSI controllers host adapters allow you toskipaSCSIID Forexample youcanhaveID0 ID1 and ID3 skipping ID2 Other controllers do not allow this refer to your system or controller user s manual for detail...

Page 23: ...s with the SCSI controller at the other end both are terminated The bottom ex ample shows two additional SCSI devices connected externally this means the SCSI controller is no longer on the end of the...

Page 24: ...sync cables are used to connect the drives After connecting each drive with spindle sync cables designate a master spindle sync reference source This master source is usually a disc drive located on...

Page 25: ...table 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 flow above the circuit...

Page 26: ...sozuorientierenoderden 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...

Page 27: ...s 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 umgeke...

Page 28: ...y vertically and any combination thereof however you must ensure that the drive receives adequate air flow for cooling 1 Mount the drive to the host system s chassis using four 6 32 UNC screws Two mou...

Page 29: ...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 weitere Befestigung...

Page 30: ...81 A B C D E F G H J K L M N P R S T U max 0 010 0 010 0 034 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 86 50 13 13 25 25 25 50 25 50 38 38 25 25 25...

Page 31: ...44 45 95 25 60 20 137 69 141 35 151 58 4 826 8 81 43 82 104 14 4 83 0 381 6 74 A B C D E F G H J K L M N P R S T U V max 0 010 0 010 0 028 0 020 0 005 0 005 0 010 0 010 0 010 0 020 0 010 0 035 0 015...

Page 32: ...8 20 43 82 104 14 4 83 0 381 8 50 A B C D E F G H J K L M N P R S T U V max 0 010 0 010 0 034 0 020 0 005 0 005 0 010 0 010 0 010 0 020 0 010 0 035 0 015 0 015 0 010 0 010 0 010 0 020 max 25 25 86 50...

Page 33: ...s SCSI connector shown earlier in Figures 1 2 and 3 Take care not to stretch or crimp this cable and do not block the system s cooling air flow with the cable The drive receives DC power through a 4 p...

Page 34: ...echen Abbildung9zeigtdieSteckerbelegund f r den Gleichstromanschlu Zum Anschlu des Gleichstromkabels an das Laufwerk das Kabelende indenGleichstromanschlu desLaufwerkesstecken Figure 9 DC power connec...

Page 35: ...is may increase radiated emissions and is the system designer s responsibility Hinweis Die Signalerde auf der Stromregelungskarte PCB undderKopf undFestplatteneinheit HDA sind in diesem Laufwerk mitei...

Page 36: ...atting a drive erases all user data Be sure you understand this principle before formatting any hard disc drive It is not necessary to format a drive that has been previously used to store data un les...

Page 37: ...ange the SCSI ID install jumpers on the appropriate pins as shown in the illustration Figure 10 Setting the SCSI ID SCSI ID 0 default SCSI ID 7 SCSI ID 1 SCSI ID 2 SCSI ID 3 SCSI ID 4 SCSI ID 5 SCSI I...

Page 38: ...the end of the SCSI bus remove the jumper to disable the permanently mounted IC termina tors and thereby remove internal termination from the drive The ST15150ND drive does not have internal termina...

Page 39: ...0ND drive should be configured with a jumper connecting J01 pins 1 and 3 and no jumper on J01 pins 2 and 4 as illustrated in Figure 12 Figure 12 Setting terminator power jumpers Term power from drive...

Page 40: ...ector to attach the spindle sync cable See Figure 13 Figure 13 Spindle sync connectors Spindle sync reference index signal REFSIG J4 SSC Spindle Sync Cable Connector SSC These pins are used to connect...

Page 41: ...ning condition For this reason you may want to use a color other than red with this connection RES Enable parity check of SCSI bus data default PAR MTR DMS Parity Check option PAR Disable parity check...

Page 42: ...s on the appropriate pins as shown in the illustration DC Power Connector SCSI 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 SCS...

Page 43: ...e of these models and it is not on the end of the SCSI bus remove the jumper to disable the permanently mounted IC termina tors and thereby remove internal termination from the drive The ST15150WD dri...

Page 44: ...t was shipped from the factory The ST15150WD drive should be configured with a jumper connecting J01 pins 1 and 3 and no jumper on J01 pins 2 and 4 as illustrated in Figure 17 Figure 17 Setting termin...

Page 45: ...nnector to attach the spindle sync cable See Figure 18 Figure 18 Spindle sync connectors Spindle sync reference index signal REFSIG Spindle Sync Cable Connector SSC These pins are used to connect a sp...

Page 46: ...On disables writing Write Protect Off enables writing default J4 RES Write Protect option WP Reserved for future use Reserved RES Pin 9 top pin is negative cathode Pin 10 bottom pin is positive anode...

Page 47: ...tarting the spindle motor Motor Start option MTR Disable motor start default The drive starts according to the Delay Motor Start option setting as described below Motor start delay equal to the SCSI I...

Page 48: ...the drive ST15150WC and ST15150DC drives do not have inter nal terminators or any other way of adding internal termination to the drive You must provide single ended external active termination ANSI...

Page 49: ...ting remote LEDs Remote LED connections are provided on the J4 con nector see Figure 21 You can connect 2 pin remote LEDs using these connections Attach the lead to the appropriate pin and then attach...

Page 50: ...lation Guide Rev E WC DC drives Figure 21 Jumper options SCSI ID0 J4 Pin 1 Pin 1 J4 Fault LED pin SCSI ID1 Vendor Unique SCSI ID2 Spindle Sync SCSI ID3 Drive Activity LED NC 5V Ground Write Protect Pa...

Page 51: ...Barracuda 4 Installation Guide Rev E 49...

Page 52: ...50 Barracuda 4 Installation Guide Rev E Seagate Technology Inc 920 Disc Drive Scotts Valley CA 95066 4544 USA Publication Number 83328870 Rev E Printed in USA...

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