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Seagate CHEETAH 9 ST19101DC, Installation Manual

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16

Cheetah 9 Installation Guide, Rev. B

Table 1.

Drive characteristics

Characteristics of the various drives covered by this manual are
given in the following tables.

Interface type:

SCSI Fast-20 (also called
Ultra SCSI

1

)

Cylinders (user accessable):

6,526

Disk rotation:

10,033 r/min ±.5%

Avg. latency:

2.99 msec

Seek time

2

Average read (typical)

8.2 msec

Average write (typical)

9.7 msec

Internal transfer rate

122 to 177 Mbits/sec 

(variable with zone)

Multi-segmented cache

442 Kbytes of the .5 Mbyte

physical buffer space

1

Also operates per SCSI-1/SCSI-2/SCSI-3 protocols.

2

Includes on-board controller overhead.

Summary of Contents for CHEETAH 9 ST19101DC

Page 1: ... Cheetah 9 Disc Drive ST19101N W WC WD DC Installation Guide ...

Page 2: ... section 48 All drives LED connections 50 1997 Seagate Technology Inc All rights reserved Publication Number 83329160 Rev B June 1997 Seagate Seagate Technology and the Seagate logo are regis tered trademarks of Seagate Technology Inc Cheetah SeaFAX SeaFONE SeaNET SeaTDD and SeaBOARD are either trade marks or registered trademarks of Seagate Technology Inc or one of its subsidiaries All other trad...

Page 3: ...there a difference between 10 000 RPM and 7 200 RPM disc drives Cheetah disc drives spinning at 10 000 RPM will dissipate more heat than 7 200 RPM class disc drives typical power dissipation is 22 5 watts The increased heat is primarily due to increased motor power dissipated inside the drive The increase in heat dissipation requires that the Cheetah 10 000 RPM disc drives receive more cooling con...

Page 4: ...ge of a charged conductor or by exposure to the static fields surrounding charged objects To avoid damaging drive electronic assemblies observe the following precautions when installing or servicing the drive Ground yourself to the drive whenever the drive electronics are or will be exposed Connect yourself to ground with a wrist strap Seagate part number 12263496 Connection may be made to any gro...

Page 5: ...ing warnings and precautions Follow all cautions and warnings in the procedures Use sound safety practices when operating installing or removing the unit Use caution when troubleshooting a unit that has voltages present Turn off power to the unit before removing it Ensure that the internal temperature of the rack or cabinet does not exceed the limits defined for the drive when the drive is mounted...

Page 6: ... tions of these disc drives include customer packaging and sub system design Safety agencies conditionally certify component assemblies such as the Cheetah disc drive based on their final acceptability in the end use product The subsystem designers are responsible for meeting these conditions of acceptability in obtaining safety regulatory agency compliance in their end use products and for certif...

Page 7: ...ktiken aufmerksam die Sie oder andere gefährden könnten Die Vorsichtshinweise machen auf Situationen oder Praktiken aufmerksam die Einheit beschädigen können so daß deren Gebrauch mit Risiko behaftet ist Die Warn und Vorsichtshinweise sind nicht allumfassend Es ist uns einfach nicht möglich alle Wartungsmethoden oder die eventuellen Risiken jeder Methode zu kennen zu beurteilen und Sie entsprechen...

Page 8: ...den oberen Stapelbereich da dort die Temperatur gewöhnlich am höchsten ist Befolgen Sie die oben unter Electrostatic Discharge Protec tion angegebenen Sicherheitsmaßnahmen Nehmen Sie keine Platinen aus dem Laufwerk Wenn eine Platine defekt ist muß das gesamte Laufwerk zur Reparatur eingeschickt werden Die Herausnahme von Platinen durch andere Personen als die für die werkseitige Reparatur zustän d...

Page 9: ... Komponenten wie das Cheetah Festplattenlaufwerk vorbehaltlich der endgülti gen Zulasssung im Endprodukt Designer von Untersystemen sind dafür verantwortlich die Voraussetzungen für die Einhal tung sicherheits oder aufsichtsbehördlicher Vorschriften in ihren Endprodukten und falls gesetzlich vorgeschrieben für die Zulassung zu schaffen Eine Grundvoraussetzung zur Einhal tung der Sicherheitsanforde...

Page 10: ...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 typical appli cations The selected system represents the most popular char acteristics for test platforms The system configurations include 486 Pentium and PowerPC microprocessors 3 5 inch floppy disc drive...

Page 11: ...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 Marking it complies with the Austra lia New Zealand Standard AS NZS3548 1995 and meets the Electromagnetic Compatibility EMC Framework requirements of Australia s Spectrum Management Agency SMA ...

Page 12: ...uestions troubleshooting tips and specifications for disc drives and tape drives This service is available 24 hours daily and requires a touch tone phone International callers can reach this automated self help service by dialing 408 456 4496 Online services Using a modem you can obtain troubleshooting tips free utility programs drive specifications and jumper settings for Seagate s entire product...

Page 13: ... previous questions and answers on the forum mes sages SeaBOARD SeaBOARD is a computer bulletin board system that contains information about Seagate disc and tape drive products and is available 24 hours daily Set your communications software to eight data bits no parity and one stop bit 8 N 1 Location Phone number Australia 61 2 9756 2359 England 44 1628 478011 France 33 1 48 25 35 95 Germany 49 ...

Page 14: ... FAX questions or comments to technical support spe cialists 24 hours daily Responses are sent during business hours Location Phone number Australia 61 2 9756 5170 England 44 1628 894084 USA 1 800 SEAGATE or 408 456 4496 Location Phone number Australia 61 2 9725 4052 England 44 1628 890660 France 33 1 46 04 42 50 Germany 49 89 1430 5100 Hong Kong 852 2368 7173 Japan 81 3 5462 2979 Korea 82 2 556 7...

Page 15: ...11 15 A M and 12 30 P M to 5 00 P M Pacific time Monday through Friday Location Phone number Australia 61 2 9725 3366 9 00 A M to 5 00 P M M F England 44 1628 894083 10 00 A M to 1 00 P M 2 00 P M to 5 00 P M M F France 33 1 41 86 10 86 9 30 A M to 12 30 P M 2 00 P M to 5 00 P M M F Germany Disc 49 89 140 9332 Tape 49 89 140 9333 9 30 A M to 12 30 P M 2 00 P M to 4 00 P M M F Hong Kong 852 2368 99...

Page 16: ...e services are available worldwide Location Phone number FAX number Asia Pacific and Australia 65 485 3595 65 485 4980 Europe Middle East and Africa 31 2031 67300 31 2065 34320 Japan 81 3 5462 2904 81 3 5462 2979 USA 1 800 468 3472 405 949 6740 Other Americas Brazil Canada Mexico 405 949 6706 405 949 6738 Manufacturer s representatives Brazil MA Informatica 55 11 810 7794 55 21 253 6467 Canada Mem...

Page 17: ...in 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 and it must be sufficiently grounded and shielded from emis sions The Cheetah 9 Product Manual part number 83329170 contains guidelines for a properly designed enclosure Model N version with 50 pin...

Page 18: ... called Ultra SCSI1 Cylinders user accessable 6 526 Disk rotation 10 033 r min 5 Avg latency 2 99 msec Seek time2 Average read typical 8 2 msec Average write typical 9 7 msec Internal transfer rate 122 to 177 Mbits sec variable with zone Multi segmented cache 442 Kbytes of the 5 Mbyte physical buffer space 1Also operates per SCSI 1 SCSI 2 SCSI 3 protocols 2Includes on board controller overhead ...

Page 19: ...1 C number of read write data heads D max synchronous SCSI interface transfer rate Mbytes sec 1Standard OEM units formatted with 512 bytes per sector The drive is divided into six cylinder wide regions Each region has 108 spares when formatted for 512 byte sectors Model A B C D ST19101N 11 7 9 1 16 20 ST19101W 11 7 9 1 16 40 ST19101WC 11 7 9 1 16 40 ST19101WD 11 7 9 1 16 40 ST19101DC 11 7 9 1 16 4...

Page 20: ...e host initiator 3 See the 12V current profile in the Cheetah 9 Product Manual publication number 83329170 4 This condition occurs when the Motor Start option is enabled and the drive has not yet received a Start Motor command 5 See Conducted noise immunity in the Cheetah 9 Product Manual The specified voltage tolerance is inclusive of ripple noise and transient response ST19101 N W WC models WD D...

Page 21: ... less than 4 of the maximum operating current shown 8 Use separate ground returns for 5V and 12V supplies 9 Where power is provided to multiple drives from a common supply carefully consider individual drive power requirements Where multiple units are powered on simultaneously be sure the peak starting current is available to each device 10No terminator power See 11 7 3 4 in the Cheetah 9 Product ...

Page 22: ... Drive models Page ST19101N 39 ST19101W WD 43 ST19101WC DC 48 General information The following general information topics are discussed SCSI ID jumpers Drive termination Terminator power Interface drivers and data path width notes Other applicable jumper options Providing adequate cooling Mounting the drive and connecting cables1 Formatting the drive 1This mounting procedure does not apply to WC ...

Page 23: ...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 requires SCAM compliant drives you do not need to be concerned about the drive ID jumper settings as the system automatically assigns your new drive the ID it wants it to have The system may or may not use...

Page 24: ...isc 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 connected externally this means the SCSI con troller is no longer on the end of the SCSI chain and should not be terminated Note Some controllers prefer to remain terminated even if they are in the middle of the chain Also some controllers treat the inte...

Page 25: ...d 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 incompatible with each other W WD and WC models have a wide 16 bit SCSI data bus rather than the standard non wide 8 bit SCSI data bus however you can use these wide drives on a standard non wide 8 bit data bus Internal SCSI device Internal SCSI device Control...

Page 26: ...g differential I O circuits a 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 Cable characteristics for single ended circuits I O transfer rate Maximum number of devices on line Maximum cable length allowed 5 Mbytes s 8 reg SCSI bus 6 meters 19 7 ft ...

Page 27: ...Cheetah 9 Installation Guide Rev B 25 Figure 3a 50 pin I O connection to drive Figure 3b 68 pin I O connection to drive ...

Page 28: ... maximum allowable number of devices on the SCSI bus See system documentation Figure 3c Multiple drive connection to host adapter Host Adapter PCB Pin 1 check your adapter for Pin 1 location N Model Drive SCSI ID 1 SCSI ID 0 SCSI ID 7 2 through X SCSI devices 1 2 ...

Page 29: ...tation and Table 4 2 External terminator Used only on end WD drive Figure 3d Multiple drive connection to host adapter Host Adapter PCB Pin 1 check your adapter for Pin 1 location SCSI ID 1 SCSI ID 0 SCSI ID 7 2 through X SCSI devices 1 W Model Drive 2 WD Model Drive Note Do not mix W and WD model drives on the daisy chain Terminator ...

Page 30: ...tion Guide Rev B 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 connector J6 J2 80 pin SCSI I O Connector Pin 1 ...

Page 31: ...ing 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 choose the shortest possible path between the air inlet and exit This minimizes the distance traveled by air that is heated by the drive and by other nearby heat sources Figure 4 shows two design appro...

Page 32: ...ieren oder den Luft strom so zu lenken daß der geringste Luftstromwiderstand erzeugt wird und gleichzeitig ein Luftstrom über den Platinen und um die Kopf und Festplatteneinheit HDA gegeben ist Wählen Sie einen möglichst kurzen Weg zwischen Lufteinlaß und auslaß Dadurch wird die Strecke die die vom Laufwerk und anderen nahegelegenen Hitzequellen aufgewärmte Luft zurücklegt auf ein Minimum beschrän...

Page 33: ...air flow Abbildung 4 Empfohlener Luftstromverlauf Above unit Under unit Note Air flows in the direction shown back to front or in reverse direction front to back Above unit Under unit Note Air flows in the direction shown or in reverse direction side to side ...

Page 34: ... drive The maximum length that the screws should extend into the drive mounting holes is 0 15 inch 3 81 mm measured from the outer surface of the drive Tighten the screws down evenly Do not over tighten or force the screw if it does not seem to screw in easily because this means the threads are not properly aligned In this case back the screw out and try again Installation des Laufwerkes und Ansch...

Page 35: ...nder ausgerichtet In diesem Fall die Schraube nicht in das Gewindeloch forcieren sondern die Schraube herausnehmen und erneut in das Gewindeloch einführen 2 Verify that all connections between the drive and the host system are correctly installed 2 Prüfen Sie ob alle Verbindungen zwischen dem Laufwerk und dem Host System korrekt hergestellt sind 3 Verify that you have correctly installed jumpers 3...

Page 36: ...g des Systems nicht behindern Das Laufwerk wird über einen 4 poligen neben dem SCSI Anschluß befestigten Steckverbinder mit Gleichstrom ver sorgt Der Ausgang eines Netzteils muß SELV safety extra low voltage nach IEC 950 entsprechen Abbildung 5 zeigt die Steckerbelegung für den Gleichstromanschluß Zum Anschluß des Gleichstromkabels an das Laufwerk das Kabelende in den Gleichstromanschluß des Laufw...

Page 37: ... 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 Kopf und Festplatteneinheit HDA sind in diesem Laufwerk miteinander verbunden und können nicht getrennt werden Das Gerät in das Sie das Laufwerk eingebaut haben ist ohne elektrisch isolierende Stoßdämpfer direkt an die HDA und PCB...

Page 38: ...ah 9 Installation Guide Rev B elektromagnetische Strahlung fällt in den Zuständigkeits bereich des Systemdesigners 5 Replace the host system s cover 5 Setzen Sie das Gehäuseoberteil des Host Systems wieder auf ...

Page 39: ...Power and interface connections Decorative front panel Notes 1 2 3 4 Inches Millimeters 5 750 4 000 1 640 0 625 4 000 0 250 2 375 3 750 2 375 1 750 0 181 0 340 0 190 0 015 1 720 4 100 146 05 101 60 41 68 15 87 101 60 6 35 60 32 95 25 60 32 44 45 4 55 8 64 4 83 0 381 43 69 104 14 A B C D E F G H J K L M N P R S 0 010 0 010 0 020 0 020 0 005 0 005 0 010 0 010 0 010 0 020 0 015 0 015 0 010 0 010 0 01...

Page 40: ... Format the disc drive Cheetah 9 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 setting up the drive Some quick desktop system notes are provided below Quick reference desktop system notes Note Refer to your system or utility manual for detailed instruc tions DOS Set the drive type i...

Page 41: ...set the SCSI 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 J6 J2 Pin 1 End SCSI ID 0 default Jumper Plug enlarged to show detail J6 4 SCSI ID 1 SCSI ID 2 SCSI ID 3 SCSI ID 4 SCSI ID 5 SCSI ID 6 SCSI ID 7 Pin 1 ...

Page 42: ...inators 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 connector J2 Figure 8 Terminating the drive Disable Terminator T E D S M E W P P D R E S T P 2 T P 1 Enable Terminator default J2 SCSI I O Connector DC Power Connector J2 Pin 1 Drive Front J6 J1 Pin 1 ...

Page 43: ...his option and can leave the drive configured as it was shipped from the factory Figure 9 Setting terminator power jumpers Term Power from Drive default Term Power to SCSI Bus Term Power from SCSI Bus position A T E D S M E W P P D R E S T P 2 T P 1 J2 SCSI I O Connector DC Power Connector J2 Pin 1 Drive Front J6 J1 Pin 1 Pin 2 Term Power to SCSI Bus and Drive J2 Jumper enlarged to show detail ...

Page 44: ...rved Parity Check option Write protect Off enables writing default Write protect On disables writing Write Protect option Disable the Delay Motor Start option default Motor start delay equal to the SCSI ID multiplied by 12 seconds 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 ...

Page 45: ...ns 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 and WD drives J6 1 Note 1 Do not remove cover from pins 13 through 20 darkened area 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 SCSI ID 8 SCSI ID 9 SCSI ID 10 SCSI ID 11 SCSI ID 12 SCSI ID 13 SCSI ID 14 SCSI I...

Page 46: ...SI ID 9 SCSI ID 10 SCSI ID 11 SCSI ID 12 SCSI ID 13 SCSI ID 14 SCSI ID 15 J1 DC Power 68 Pin SCSI I O Connector J1 Pin 1 Pin 1 J1A 2 4 J1A Pin 1 Pin 12 1P 2P 3P 4P SCSI Address A0 SCSI Address A1 SCSI Address A2 SCSI Address A3 No connection 5V Fault LED Vendor Unique Reserved Activity LED Ground These pins are driven low for 250 ms after PWR ON or RESET to allow jumper selectable SCSI ID as shown...

Page 47: ...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 way of adding internal termination to the drive You must provide external differential termination to these drives when termination is required See Figure 3d Figure 13 Terminating the drive W model show...

Page 48: ...rminator power TP configurations for WD model drives see Figure 14 Figure 14 Setting terminator power jumpers Term Power from Drive default Term Power to SCSI Bus Term Power from SCSI Bus position A T E D S M E W P P D R E S T P 2 T P 1 W Models J2 SCSI I O Connector DC Power Connector J2 Pin 1 Drive Front J6 J1 Pin 1 Pin 2 Term Power to SCSI Bus default WD Models Host adapter or other device prov...

Page 49: ...rved Parity Check option Write protect Off enables writing default Write protect On disables writing Write Protect option Disable the Delay Motor Start option default Motor start delay equal to the SCSI ID multiplied by 12 seconds 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 ...

Page 50: ...ves is normally set over the SCSI bus by the host system using connector contacts 39 ID0 40 ID2 79 ID1 and 80 ID3 Terminating the drive WC and DC model drives do not have internal terminators or any other way of adding internal termination to the drive You must provide external termination to these drives when termina tion is required ...

Page 51: ...g default 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 option The host system has complete control over motor start functions Do not install a jumper on these pins Enable Motor Start option R E S D S M E W P P D R E S R E S R E S SCSI I O Connector DC Power Connector J2...

Page 52: ...own below Figure 17 Drive Active LED indicator connections J6 Reserved Activity LED Reserved The shaded pins are shipped with a cover installed Do not install jumpers on these pins Retain the cover unless you install a 20 pin plug J6 J2 Pin 1 End Jumper Plug enlarged to show detail Pin 1 Note On some LEDs the flat side of indicator is cathode CATH ...

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Page 56: ...Seagate Technology Inc 920 Disc Drive Scotts Valley CA 95066 4544 USA Publication Number 83329160 Rev B Printed in USA ...

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