Elite 9 Disc Drive
ST410800N/ND
ST410800W/WD
Installation Guide
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Elite 9 Installation Guide, Rev. B
1
Preface
This manual contains information for users of Seagate®
Elite™ 9 SCSI disc drives. It provides support services,
performance specifications, and initial setup informa-
tion. Additional information is available in the Elite 9
Product Manual (part number 83328860). Contact your
Seagate sales representative if you need to order this
publication.
Electrostatic discharge protection
Caution. Removal of circuit boards by personnel not
performing 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 circuitry. Although some devices
such as metal-oxide semiconductors are extremely
sensitive, all semiconductors, as well as some resistors
and capacitors, may be damaged or degraded by expo-
sure to static electricity.
Electrostatic damage to electronic devices may be
caused by the direct discharge of a charged conductor
or by exposure to the static fields surrounding charged
objects.Toavoiddamagingdriveelectronicassemblies,
observe the following precautions when installing or
servicing the drive:
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2
Elite 9 Installation Guide, Rev. B
• Ground yourself to the drive whenever the drive elec-
tronics are or will be exposed. Connect yourself to
ground with a wrist strap (Seagate part number
12263496).Connectionmaybemadetoanygrounded
metal assembly. As a general rule, remember that you
andthedriveelectronicsmustallbegroundedtoavoid
potentially damaging static discharges.
• TurnoffthepowerbeforeremovingorinstallingtheDC
power cable.
• Do not remove 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 cooling of drive
components.
Usepropersafetyandrepairtechniquesforsafe,reliable
operation of this unit. Service should be done only by
qualifiedpersons.Werecommendtheproceduresinthis
manual as effective ways of servicing the unit. Some
procedures require the use of special tools. For proper
maintenance and safety, you must use these tools as
recommended.
The procedures in this manual and labels on the unit
contain warnings and cautions that must be carefully
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Elite 9 Installation Guide, Rev. B
3
read and followed to minimize or eliminate the risk of
personal injury. The warnings point out conditions or
practicesthatmayendangeryouorothers.Thecautions
point out conditions or practices that may damage the
unit, possibly making it unsafe for use.
These warnings and cautions are not exhaustive. We
cannotpossiblyknow,evaluate,andadviseyouofallthe
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-approved procedure or tool, first ensure that the
method you choose will not risk either your safety or unit
performance.
Alwaysobservethefollowingwarningsandprecautions:
• Performallmaintenancebyfollowingtheproceduresin
this manual.
• Follow all cautions and warnings in the procedures.
• Use sound safety practices when operating or repair-
ing the unit.
• Use caution when troubleshooting a unit that has
voltages present. Turn off power to the unit before
servicing it.
• Wear safety shoes when removing or replacing heavy
parts.
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4
Elite 9 Installation Guide, Rev. B
• Ensure that the internal temperature of the rack or
cabinetdoesnotexceedthelimitsdefinedforthedrive
when the drive is mounted in an equipment rack or
cabinet. When units are stacked vertically, pay atten-
tiontothetopwheretemperaturesareusuallyhighest.
• Follow the precautions listed above in “Electrostatic
discharge protection.”
• Do not remove any circuit boards from the drive chas-
sis. Returntheentiredrivefordepotrepairifanycircuit
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 chassis. Return the entire drive for depot
repair if the HDA is defective.
• Do not attempt to disassemble the HDA. It is not field
repairable. If the sealed HDA is opened by personnel
not performing depot repair, this will damage compo-
nents and void the warranty.
As a component, this drive is designed to be installed
and operated in accordance with UL1950, IEC950,
EN60950, CSA C22.2 950, and VDE0805.
Seagate takes all reasonable steps to ensure that its
products are certifiable to currently accepted stan-
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Elite 9 Installation Guide, Rev. B
5
dards. Typical applications of these disc drives include
customer packaging and subsystem design. Safety
agencies conditionally certify component assemblies,
such as the Elite 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
compliancein 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 SELV supply voltages.
This unit is a component part and as such is not meant
to comply with FCC or similar national requirements as
a stand-alone unit. Engineering radiated emissions test
resultsareavailablethroughtheSeagateSafetyDepart-
ment to assist the subsystem designer.
Wichtige Sicherheitshinweise
Vorsicht. Beim Testen des Laufwerks auf dem
Prüftisch ist Fremdbelüftung vorzusehen, um eine
ausreichende Kühlung der Laufwerkkomponenten
sicherzustellen.
Verwenden Sie geeignete Sicherheits- und
Reparaturverfahren, um den sicheren, zuverlässigen
Betrieb dieser Einheit zu gewährleisten. Reparaturen
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6
Elite 9 Installation Guide, Rev. B
dürfen nur von qualifiziertem Fachpersonal
vorgenommen werden. Wir empfehlen die Verfahren in
diesem Handbuch als effektive Methoden zur
Wartung und Reparatur der Einheit. Einige Verfahren
erfordern Spezialwerkzeuge; diese müssen zur
sachgemäßen Ausführung der Wartungsarbeiten und
aus Sicherheitsgründen den Empfehlungen
entsprechend verwendet werden.
Die Verfahren in diesem Handbuch und die Aufkleber
auf dem Gerät enthalten Warn- und Vorsichtshinweise.
Diese Hinweise sind sorgfältig durchzulesen und zu
beachten, um das Risiko von Verletzungen auf ein
Mindestmaß zu beschränken oder ganz zu vermeiden.
DieWarnhinweisemachenaufSituationenoderPraktiken
aufmerksam, die Sie oder andere gefährden könnten.
Die Vorsichtshinweise machen auf Situationen oder
Praktikenaufmerksam,dieEinheitbeschädigenkönnen,
so daß deren Gebrauch mit Risiko behaftet ist.
Die Warn- und Vorsichtshinweise sind nicht
allumfassend! Es ist uns einfach nicht möglich, alle
WartungsmethodenoderdieeventuellenRisikenjeder
Methode zu kennen, zu beurteilen und Sie
entsprechend zu beraten. Aus diesem Grund haben
wir auf eine derartige umfassende Beurteilung
verzichtet. Falls Sie ein hier nicht beschriebenes
Verfahren oder Werkzeug verwenden, stellen Sie
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Elite 9 Installation Guide, Rev. B
7
zuerst sicher, daß das gewählte Verfahren weder Ihre
persönliche Sicherheit noch die Leistung der Einheit
gefährdet.
Beachten Sie in jedem Fall die folgenden Warn-und
Vorsichtshinweise:
• Führen Sie alle Wartungsarbeiten entsprechend den
Anweisungen in diesem Handbuch aus.
• Beachten Sie alle Warn- und Vorsichtshinweise 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 besonders vorsichtig vor.
Schalten Sie die Einheit aus, bevor Sie mit den
Reparaturarbeitenbeginnen.
• Tragen Sie Sicherheitsschuhe, wenn Sie schwere
Teile aus- bzw. einbauen.
• Wenn das Laufwerk in einem Einbaugestell oder
Gehäuse montiert ist, sorgen Sie dafür, daß die
Temperatur im Inneren des Gestells oder Gehäuses
die für das Laufwerk vorgegebenen Grenzwerte nicht
übersteigt. Wenn Einheiten vertikal übereinander
betestigtwerden,achtenSiebesondersaufdenoberen
Stapelbereich, da dort die Temperatur gewöhnlich am
höchsten ist.
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8
Elite 9 Installation Guide, Rev. B
• Befolgen Sie die oben unter “Electrostatic Discharge
Protection” angegebenen Sicherheitsmaßnahmen.
• NehmenSiekeinePlatinenausdemLaufwerkgehäuse.
Wenn eine Platine defekt ist, muß das gesamte
Laufwerk zur Reparatur eingeschickt werden. Die
Herausnahme von Platinen durch andere Personen
alsdiefürdiewerkseitigeReparaturzuständigenkann
zu einer Beschädigung der Komponenten und
Erlöschen des Garantieanspruchs führen.
• Die vormontierte Kopf- und Festplatteneinheit (HDA)
nicht aus dem Laufwerkgehäuse nehmen! Falls die
HDA beschädigt ist, schicken Sie das gesamte
Laufwerk zur Reparatur ein.
• Die HDA ist nicht vor Ort reparierbar und darf nicht
auseinandergenommen werden! Öffnen der
versiegelten HDA durch andere Personen als die für
die werkseitige Reparatur zuständigen hat eine
Beschädigung der Komponenten und Erlöschen des
Garantieanspruchs zur Folge.
Als Teilkomponente ist dieses Laufwerk für die Installa-
tion und den Betrieb in Übereinstimmung mit UL 1950,
IEC950, EN60950, CSA C22.2 950 und VDE0805
vorgesehen.
Seagate ist ständig bemüht, die Zulassungsfähigkeit
von Seagate-Produkten im Rahmen der gegenwärtig
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Elite 9 Installation Guide, Rev. B
9
geltendenStandardszugewährleisten.Zudentypischen
Anwendungen dieser Festplattenwerke zählen
Systemeinbau durch den Kunden und die Konstruktion
vonUntersystemen.Sicherheitsbehördengewähreneine
bedingte Zulassung für Komponenten wie das Elite-
Festplattenlaufwerk vorbehaltlich der endgültigen
ZulassungimEndprodukt.DesignervonUntersystemen
sind dafür verantwortlich, die Voraussetzungen für die
Einhaltung sicherheits- oder aufsichtsbehördlicher
VorschrifteninihrenEndproduktenund-fallsgesetzlich
vorgeschrieben - für die Zulassung zu schaffen.
Eine Grundvoraussetzung zur Einhaltung der
Sicherheitsanforderungen ist die Bereitstellung
eines Überlastschutzes für die SELV-
Versorgungsspannungen des Laufwerks.
Dieses Gerät ist eine Baugruppe und unterliegt als
solchenichtdenAnforderungenderFCCoderähnlicher
nationaler Behörden für eigenständige Geräte.
Technische Testergebnisse zu elektromagnetische
Strahlung sind für Designer von Untersystemen auf
Anfrage von der Seagate-Sicherheitsabteilung
erhältlich.
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10
Elite 9 Installation Guide, Rev. B
Technical support services
Seagate Technology provides technical support litera-
ture and diagnostic utilities to authorized distributors.
Please contact your dealer for technical support and
installation troubleshooting. Producttechnicalsupport
is available for all Seagate products by calling the
SeaFAX™, SeaFONE™, SeaTDD™, or SeaBOARD™
services. These are toll calls if you dial from outside of
the number’s local dialing area.
SeaFAX:
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 hours
a day, 7 days a week.
SeaFONE: (408) 438-8222
Technical support specialists are available 8:00 A.M. to
5:00 P.M.PST, MondaythroughFriday. Recordedtechni-
cal information for selected Seagate products is pro-
vided while you are on hold. Recordings are accessible
24 hours a day, 7 days a week.
SeaTDD: (408) 438-5382
TDD is a telecommunication device for the deaf where
two people can communicate using a keyboard con-
nected to the phone line. A TDD device is required to
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Elite 9 Installation Guide, Rev. B
11
access this service, which is available from 8:00 A.M. to
5:00 P.M. PST, Monday through Friday.
SeaBOARD:
The Seagate Technical Support Bulletin Board System
(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 8 data bits, no parity,
and 1 stop bit (8N1). All BBS numbers operate at 9600
baud max. With this service you can access:
• Specifications and jumper configurations for Seagate
products
• Reprints of Seagate documentation
• A directory of information and helpful utilities that you
can download to your own computer
Telephone
Location
number
USA, Mexico, Latin America
England
Germany
Singapore
Australia
Canada
(408) 438-8771
44-62-847-8011
49-89-140-9331
65-292-6973
61-2-756-2359
(416) 856-5581
33-1-40-67-1034
82-2-556-7294
France
Korea
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12
Elite 9 Installation Guide, Rev. B
General description
Elite 9 SCSI disc drives are high capacity, random-
access digital-data storage devices.An Elite 9 drive is
illustrated in Figure 1. Specifications and DC power
requirements for the drive are listed in a table 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 enclosure designed to house one
or more disc drives or other peripheral units. In either
case,thediscdrivemustreceiveadequatecooling(refer
to “Providing adequate cooling”) and it must be suffi-
ciently grounded and shielded from emissions. The
Elite 9 Product Manual (part number 83328860) con-
tains guidelines for a properly designed enclosure.
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Elite 9 Installation Guide, Rev. B
13
J4A
J01
J4B
SCSI I/O
Connector
DC Power
Connector
Figure 1. Elite 9 family disc drive (ST410800N shown)
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14
Elite 9 Installation Guide, Rev. B
Characteristics of ST410800 drives
N/ND
W/WD
SCSI-2 Interface1
Fast
Fast & Wide
Multi-segmented cache
Physical
Available to user
1,024 Kbytes 1,024 Kbytes
960 Kbytes 960 Kbytes
Capacity
Unformatted
10,800 Mbytes 10,800 Mbytes
9,090 Mbytes 9,090 Mbytes
Formatted2
Recording
Cylinders (user accessible) 4,925
4,925
27
Read/Write heads
Modulation
27
RLL 1,7 code RLL 1,7 code
SCSI rates
Max burst transfer
10 Mbytes/sec 20 Mbytes/sec
Seek time3
Average read
Average write
11 msec
12 msec
11 msec
12 msec
Disc rotation
RPM
5,400
5,400
Average latency
5.55 msec
5.55 msec
1Can also be operated according to SCSI-1 protocol.
2Standard factory units are formatted as follows:
512 data bytes per sector
9 spare sectors per cylinder
1 cylinder at the inner track reserved for spares
3Not including on-board controller overhead.
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Elite 9 Installation Guide, Rev. B
15
DC power requirements for ST410800N/ND drives
Single-ended Differential
+5V11 +12V
+5V11 +12V
Voltage regulation5
± 5% ± 5%2 ± 5% ± 5%2
Amps
Max operating current
DC 3σ 1
0.95
1.85
1.4
1.85
1.57
Avg idle current DC X 1, 12
0.665 1.57
0.71
Max starting current
Peak DC 3σ 3, 6
Peak AC 3σ 3
0.98
–
4.8
5.12
1.0
–
4.8
5.12
Delay motor start
Max DC 3σ 1, 4
0.98
0.25
1.0
0.25
Peak operating current
Typical DC X 1, 10
Max DC 3σ 1
0.93
0.95
1.19
1.69
1.85
2.89
1.32 1.69
1.4 1.85
1.58 2.89
Max (peak) AC 3σ
Track following at
OD DC X 1
0.94
0.92
1.6
1.9
0.99 1.6
0.98 1.9
ID DC X 1
Read track
OD DC 3σ 1, 14
AC 3σ
0.96
1.37
1.8
1.9
1.45
1.64
1.8
1.9
Seeking
Typical DC X 1, 13
0.95
0.99
1.15
1.95
2.1
2.85
0.99 1.95
1.02 2.1
1.49 2.85
Max DC 3σ 1
Max (peak) AC 3σ
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16
Elite 9 Installation Guide, Rev. B
DC power requirements for ST410800W/WD drives
Single ended
5V[11] 12V
Differential
5V[11] 12V
Voltage regulation[5]
±5% ±5%[2] ±5% ±5%[2]
Amps
Max operating current
DC 3σ 1
1.0
0.7
1.94
1.56
1.27 1.94
Avg idle current DC X 1, 12
1.0
1.56
Max starting current
Peak DC 3σ 3, 6
Peak AC 3σ 3
1.0
–
4.8
5.12
1.1
–
4.8
5.12
Delay motor start
Max DC 3σ 1, 4
0.96
0.25
1.1
0.25
Peak operating current
Typical DC X 1, 15
Max DC 3σ 1
0.98
1.0
1.1
1.69
1.94
2.89
1.18 1.69
1.27 1.94
1.93 2.89
Max (peak) AC 3σ
Track following at
OD DC X 1
0.97
0.96
1.58
1.9
1.0
0.99 1.9
1.56
ID DC X 1
Read track
OD DC 3σ 1, 16
AC 3σ
1.03
1.1
1.8
2.1
1.5
2.1
1.8
2.1
Seeking
Typical DC X 1, 13
Max DC 3σ 1
Max (peak) AC 3σ
0.96
1.0
1.1
1.95
2.2
2.85
1.0
1.1
1.7
1.95
2.2
2.85
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Elite 9 Installation Guide, Rev. B
17
1
Measured with an average reading DC ammeter. Instan-
taneous +12V current peaks will exceed these values.
2
A −10% tolerance is permissible during initial start of the
spindle but must return to ±5% before reaching 5,400RPM.
The ±5% must be maintained after the drive signifies that its
power-up sequence has been completed and that it can
accept selection by the host initiator.
3
4
See the +12V current profile in the Elite 9 Product Manual.
This condition occurs when the Motor Start option is en-
abled and the drive has not yet received a start motor
command.
5
6
See “Conducted noise immunity” in the Elite 9 Product
Manual. The specified voltage tolerance includes ripple,
noise, and transient response.
At power-up, the motor current regulator limits the +12V
current to an average value of less than 4.8A, although
instantaneous peaks may exceed this value. These peaks
should measure 5 msec duration or less.
7
Minimum current loading for each supply voltage is not less
than 7% of the maximum operating current shown.
8
9
Use separate ground returns for +5V and +12V supplies.
Where power is provided to multiple drives from a common
supply, carefully consider individual drive power require-
ments.Wheremultipleunitsarepoweredonsimultaneously,
be sure the peak starting current is available to each device.
10Operating condition is a third stroke seek at OD and read
one track. A command is issued every 100 msec.
11No terminator power. See Section 11.7.3.4 in the Elite 9
Product Manual.
continued
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18
Elite 9 Installation Guide, Rev. B
continued from previous page
12 All power-saving features are enabled.
13 Seeking is defined as a third-stroke seek at OD. A com-
mand is issued every 23 msec.
14 Read track is defined as repeat reads of track 15 with an
88% duty cycle.
15 Operating condition is a third-stroke seek at OD and read 1
track. A command is issued every 60 msec for ST410800W
drives and every 72 msec for ST410800WD drives.
16 Read track is defined as repeat reads of track 15 with a 45%
duty cycle at 00.
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.
• Setting the SCSI ID jumpers
• Terminating the drive
• Changing other applicable jumper options
• Synchronizing spindles
• Providing adequate cooling
• Mounting the drive and connecting cables
• Formatting the drive
Each option-jumper illustration identifies the original
equipment manufacturer (OEM) default factory setting.
These are the most commonly used settings but are not
necessarily the ones set for your particular system.
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Elite 9 Installation Guide, Rev. B
19
Setting the SCSI ID jumpers
EachdeviceontheSCSIchainmusthaveauniqueSCSI
ID. The host system’s SCSI controller usually uses the
highest-numbered ID available (ID7 in non-wide sys-
tems); therefore the lower-numbered SCSI IDs are nor-
mally used for the other SCSI devices such as this Elite
disc drive.
Note. MostSCSIcontrollers(hostadapters)allowyouto
skip a SCSI ID. For example, you can have ID0,
ID1, and ID3 (skipping ID2). Other controllers do
not allow this; refer to your system or controller
user’s manual for details about its requirements
for proper SCSI device installation.
Use connector J4A to set the SCSI ID (Figure 2). Most
Elite disc drives are factory set with the SCSI ID set at 0.
To change the SCSI ID, install jumpers on the appropri-
ate pins as shown in the illustration.
If, after completing the installation process, the drive’s
LED does not show on/off activity when the host is
trying to communicatewith the drive, a duplicate SCSI
ID may be the problem. If this is the case, change the
ID so that each device on the SCSI chain has its own
unique ID. Also check your system or controller user’s
manual to ensurethat you havenot violated its SCSI ID
numbering recommendations.
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20
Elite 9 Installation Guide, Rev. B
J4A
SCSI I/O
Connector
J01
J4B
DC Power
Connector
J4A
Pin 1
SCSI ID = 0 (factory setting)
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 = Ah (10)*
SCSI ID = Bh (11)*
SCSI ID = Ch (12)*
SCSI ID = Dh (13)*
SCSI ID = Eh (14)*
SCSI ID = Fh (15)*
*Applicable only for W- and WD-type drives.
Figure 2. Setting the SCSI ID
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Elite 9 Installation Guide, Rev. B
21
Terminating the drive
If you are installing the drive in a system that has other
SCSI devices installed, terminate only the end devices
on the SCSI chain. A SCSI “device” is any disc drive,
scanner, tape backup unit, or other piece of hardware
connected to your system using the SCSI bus.
The top example 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—thismeanstheSCSIcontrollerisnolongeronthe
end of the SCSI chain and should not be terminated.
Internal SCSI cable
Internal
Internal
Controller
SCSI device SCSI device
Terminate
Internal SCSI cable
External
SCSI
cable
Internal
Internal
SCSI device SCSI device
External
External
Controller
SCSI device SCSI device
Terminate
Figure 3. Terminating the ends of a SCSI bus
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22
Elite 9 Installation Guide, Rev. B
To terminate ST410800N and ST410800W drives, en-
able the permanently mounted IC terminators by install-
ingajumper onJ4Apins19and20asshowninFigure4.
If you install one of these models and it is not on the end
of the SCSI bus, remove internal termination from the
driveby removing the Enable Drive Terminator jumper
(seeFigure4). This disables the permanently mounted
IC terminators.
Note.ThisjumperappliesonlytoN-andW-typemodels.
J4A
J4A
Pin 1
Terminator Connect (enabled)
(factory setting)
Terminator Disconnect (disabled)
Figure 4. ST410800N/W termination
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Elite 9 Installation Guide, Rev. B
23
ST410800NDandST410800WD(differential)drivesare
shipped with terminators (part number 15479501) in-
stalled on the circuit board. Figure 5 illustrates the
locationsoftheterminators.Toremoveterminationfrom
thedrive, carefullylifttheterminatorsfromtheirsockets.
ST410800ND
ST410800WD
Non-wide I/O
Connector
Wide I/O
Connector
I/O Terminating
Resistors
I/O Terminating
Resistors
Figure 5. ST410800ND/WD terminator locations
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24
Elite 9 Installation Guide, Rev. B
Pin 4
Pin 3
Pin 2
Pin 1
J01
4
2
3
1
Terminator
Power Option
J01
Internal terminator power
source (factory setting)
External terminator
power source
Internal terminator
power to I/O
Figure 6. Setting terminator power jumpers
(ST410800N shown)
Changing other applicable jumper options
Elite9drivesaredesignedforuseinavarietyofsystems.
Some installations may require you to change one or
more of the other jumpers to meet specific system
requirements;however, inmostcases, youwillnotneed
to change any of these jumpers for normal drive opera-
tion. Figure 7 provides the information necessary to
configure additional jumpers.
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Elite 9 Installation Guide, Rev. B
25
J4A
SCSI I/O
Connector
J01
J4B
DC Power
Connector
J4A
Pin 1
Write Protect
Write Enable (factory setting)
Reserved
LED Connections
Connect the anode to the desired LED
connector and the cathode to the ground pin.
Active LED connector (+)
Ready LED connector (+)
Fault LED connector (+)
Ground (–)
J4B
Pin 1
Spinup Delay Option
Immediate spinup. Valid only if the Start Command
Option jumper is disconnected. (factory setting)
Spinup delay equal to the SCSI bus ID multiplied by 10 seconds.
Valid only if the Start Command jumper is disconnected.
Start Command Option
Start spindle according to the Spinup Delay Option jumper.
(factory setting)
Start spindle after the SCSI bus sends a Start Unit command.
SCSI Bus Parity Check
Check the parity of data bytes read from the
SCSI bus. (factory setting)
Ignore parity check.
Reserved.
Figure 7. Additional jumper options
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26
Elite 9 Installation Guide, Rev. B
Synchronizing spindles
in multiple drive configurations
If you are installing two or more Elite 9 drives, you may
(optionally) synchronize their spindles to reduce the
latency associated with switching from one drive to
another.
Spindle sync cables are used to connect the drives.
Use pins 23 and 24 on the J4A connector to attach the
spindle sync cable. Pin 24 provides the reference index
signal (SSREF+) and pin 23 provides ground (GND).
See Figure 8.
J4A
SCSI I/O
Connector
J01
J4B
DC Power
Connector
J4A
Pin 1
SSREF
Spindle Sync Cable Connector
Figure 8. Spindle sync jumpers and connectors
(ST410800N shown)
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Elite 9 Installation Guide, Rev. B
27
Figure 9 illustrates a typical synchronized spindle
configuration.
After connecting each drive with spindle sync cables,
you must designate a master spindle sync reference
source. This master source is normally 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 about using these
commands.
Sync Interface
Master Sync
Source
J4A
24
Spindle
Control
Host
(or other drive)
23
+5V
R
T
Drive 1
J4A
24
System
Interface
Spindle
Control
23
+5V
R
T
Drive 2
J4A
24
Spindle
Control
23
+5V
R
T
Drive n
Figure 9. Spindle sync diagram
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28
Elite 9 Installation Guide, Rev. B
Providing adequate cooling
Theenclosuredesignmustensureadequatecoolingfor
the drive. The maximum ambient temperature is 45oC.
The drive’s product manual (83328860) describes how
to evaluate the air-flow design. The evaluation consists
of ensuring that the case temperature of certain critical
components 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 flow above the circuit
boards and around the head and disc assembly (HDA).
Also, choose the shortest possible path between the air
inletandexit. Thisminimizesthedistancetraveledbyair
that is heated by the drive and by other nearby heat
sources.
Figure 10 shows two design approaches with one or
morefansusedtogenerateairflow.Theair-flowpatterns
can be created by the fans either pushing or drawing air.
The overall flow pattern can be directed from front to
back, back to front, or side to side.
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Elite 9 Installation Guide, Rev. B
29
Kühlung des Systems
Die Gehäusekonstruktion muß eine ausreichende
Kühlung des Laufwerkes gewährleisten. Die
Umgebungstemperatur darf maximal 45oC betragen.
Die Produkthandbuch Elite 9 (Dokument 83328860)
enthalten Anweisungen zur Beurteilung der
Luftstromkonstruktion.DieBeurteilungmußsicherstellen,
daß sich die Gehäusetemperatur bestimmter kritischer
Komponenten bei Laufwerkbetrieb innerhalb
zugelassener Grenzen hält.
Wirempfehlen, dasLaufwerksozuorientierenoderden
Luftstrom so zu lenken, daß der geringste
Luftstromwiderstand erzeugt wird und gleichzeitig ein
Luftstrom über den Platinen und um die Kopf- und
Festplatteneinheit(HDA)gegebenist.WählenSieeinen
möglichstkurzenWegzwischenLufteinlaßund-auslaß.
Dadurch wird die Strecke, die die vom Laufwerk und
anderennahegelegenenHitzequellenaufgewärmteLuft
zurücklegt, auf ein Minimum beschränkt.
Abbildung 10 zeigt zwei Konstruktionsmöglichkeiten,
bei denen ein oder mehrere Lüfter den Luftstrom
erzeugen. Der Luftstromverlauf wird durch die Lüfter
gesteuert, die entweder Luft einblasen oder abziehen.
Generell kann der Luftstrom entweder von vorne nach
hinten oder von hinten nach vorne verlaufen.
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30
Elite 9 Installation Guide, Rev. B
Above unit
Über der Einheit
Under unit
Unter der Einheit
Note. Air flows in the direction shown (front to back)
or in reverse direction (back to front)
Hinweis. Luftstrom in der angezeigten Richtung
(von vorne nach hinten) oder in umgekehrter
Richtung (von hinten nach vorne)
Above unit
Über der Einheit
Under unit
Unter der Einheit
Note. Air flows in the direction shown or
in reverse direction (side to side)
Hinweis. Luftstrom in der angezeigten Richtung oder in
umgekehrter Richtung (von Seite zu Seite)
Figure 10. Suggested air flow
Abbildung 10. Empfohlener Luftstromverlauf
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Elite 9 Installation Guide, Rev. B
31
Mounting the drive and connecting cables
Do not touch the connector pins or any components on
the control board without observing static-discharge
precautions. Always handle the drive by the frame only.
The drive may be mounted in any orientation (horizon-
tally, vertically, and any combination thereof); however,
youmustensurethatthedrivereceivesadequateairflow
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 bottom of the drive. See Figure 11.
The maximum length that the screws should ex-
tend into the chassis mounting holes is 0.140 inch
(3.56 mm), measured from the outer surface of the
chassis. 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.
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32
Elite 9 Installation Guide, Rev. B
Installation des Laufwerkes
und Anschluß der Kabel
Beachten Sie beim Handhaben und Anfassen der
Anschlußstifte
und
Komponenten
die
Vorsichtsmaßnahmen zur Verhinderung statischer
Aufladung. Fassen Sie das Laufwerk nur am Rahmen an.
Das Laufwerk kann in beliebiger Orientierung (horizon-
tal, vertikal oder schräg) installiert werden; jedoch muß
dafür gesorgt werden, daß ein ausreichender Luftstrom
zur Kühlung des Laufwerkes vorhanden ist.
1. Befestigen Sie das Laufwerk mit vier 6-32-UNC-
Schrauben am Gehäuse des Host-Systems. Die
beiden Seiten des Laufwerkes sind mit jeweils zwei
Befestigungslöchern versehen, die Unterseite des
Laufwerkes weist vier weitere Befestigungslöcher
auf. Siehe Abbildung 11.
GemessenvonderAußenflächedesGehäusesdürfen
die Schrauben maximal 3,56 mm in die
Befestigungslöcher des Gehüuses hineinragen. Die
Schraubenmüssengleichmäßig,jedochnichtzufest,
angezogen werden. Wenn sich eine Schraube nicht
ohneWiderstandeinschraubenläßt,sinddieGewinde
nicht korrekt aneinander ausgerichtet. In diesem Fall
die Schraube nicht in das Gewindeloch forcieren,
sondern die Schraube herausnehmen und erneut in
das Gewindeloch einführen.
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Elite 9 Installation Guide, Rev. B
33
M4 x .70 Metric Threads (4)
6-32 Threads (4)
1
1
Side
A
C.G.
E
K
B
D
C
F
J
Bottom
I
6-32 Threads (4)
1
G
H
C.G.
L
I
mm
in
1
The maximum screw depth that
extends into chassis must not
exceed 0.14 inches. Screws must
not touch the module or interfere
with the sway space.
A
±
±
±
±
±
3.25
0.86
0.39
1.93
3.120
8.06
5.50
5.75
0.12
3.90
1.55
3.15
0.01
0.01
0.01
0.01
0.005
82.55
21.84
9.91
B
C
D
E
F
G
H
I
49.02
79.24
max
204.72
139.70
146.05
3.05
99.06
39.37
80.01
±
±
±
±
±
±
0.01
0.01
0.01
0.05
0.05
0.05
J
K
L
Figure 11. Dimensions
Abbildung 11. Laufwerkabmessungen
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34
Elite 9 Installation Guide, Rev. B
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 SCSI ID jump-
ers and that you have properly terminated the SCSI
bus (see Figures 2, 3, 4, 5, and 6).
3. Stellen Sie sicher, daß die SCSI-Kennungsbrncken
und die Abschlußwiderstände, soweit erforderlich,
korrekt installiert sind. Siehe Abbildung 2, 3, 4, 5, und
6.
4. Connect the 50-pin SCSI cable into the 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-
tor mounted next to the SCSI connector. The output
of a power supply must meet SELV (safety extra low
voltage)asdefinedinIEC950.Figure12providesthe
pin information for the DC power connector. To con-
necttheDCpowercabletothedrive,simplyinsertthe
cable end into the drive’s DC power connector.
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Elite 9 Installation Guide, Rev. B
35
4. Schließen Sie das 50-polige SCSI-Kabel an den
SCSI-SteckverbinderdesLaufwerkesan(wiebereits
inAbbildung1gezeigt). DasKabeldarfnichtgedehnt
oder gedrückt werden und es darf den Luftstrom zur
Kühlung des Systems nicht behindern.
Das Laufwerk wird über einen 4-poligen, neben dem
SCSI-Anschluß befestigten Steckverbinder mit
Gleichstrom versorgt. Der Ausgang eines Netzteils
muß SELV (safety extra low voltage) nach IEC 950
entsprechen.Abbildung12zeigtdieSteckerbelegund
für den Gleichstromanschluß. Zum Anschluß des
Gleichstromkabels an das Laufwerk das Kabelende
indenGleichstromanschlußdesLaufwerkesstecken.
Pin Power
Pin Gleichstrom
1
2
3
4
+12V
1
2
3
4
+12V
+12V return
+ 5V return
+ 5V
+12V Rückleitung
+ 5V Rückleitung
+ 5V
4
3
2
1
Figure 12. DC power connector
Abbildung 12. Gleichstromanschluß
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36
Elite 9 Installation Guide, Rev. B
Note. Signal ground on the power control board (PCB)
and the head and disc assembly (HDA) are con-
nected together in this drive and you cannot
separate them. The equipment in which you have
mounted the drive is connected directly to the
HDA and PCB without electrically isolating shock
mounts. Maximizing the conductive contact area
between HDA ground and system ground may
reduce radiated emissions. If you do not want the
system chassis to be connected 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 responsibility.
Hinweis:
DieSignalerdeaufderStromregelungskarte(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 angeschlossen. Die
elektromagnetische Strahlung kann reduziert
werden, indem Sie eine möglichst große leitende
Kontakfläche zwischen der HDA-Erdung und der
Systemerdung vorsehen. Wenn Sie das
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Elite 9 Installation Guide, Rev. B
37
Systemgehäuse nicht an die HDA/PCB-Erdung
anschließen wollen, müssen Sie das Laufwerk auf
nichtleitende Weise (galvanisch isoliert) im Host-
System einbauen. Die daraus u.U. resultierende
verstärkte elektromagnetische Strahlung fällt in
den Zuständigkeitsbereich des Systemdesigners.
5. Replace the host system’s cover.
5. Setzen Sie das Gehäuseoberteil des Host-Systems
wieder auf.
Formatting the drive
Warning. Formatting a drive erases all user data. Be
sure that you understand this principle before
formatting any hard disc drive.
It is not necessary to format a drive which has
previously 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 is one.
3. Format the disc drive. The Elite 9 disc drive is de-
signedtooperatewithavarietyofoperatingsystems.
Refer to your system or SCSI controller manuals for
information about formatting and setting up the drive.
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Seagate Technology, Inc.
920 Disc Drive, Scotts Valley, CA 95066-4544, USA
Publication Number: 83328850, Rev. B, Printed in USA
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