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Elite 47
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Disc Drive
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ST446452W
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Installation Guide
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Contents
Preface.........................................................................................1
Electrostatic discharge protection................................................1
Important safety information and precautions....... .. .....................2
Wichti g e Si c h er h e its h in w ei se ....... ... ......... ... .......... .. .......... .. ........4
Regulatory agency compliance....................................................7
Technical support services ..........................................................9
General description....................................................................14
Initial se tup informa t io n....... .......... ... ......... ... .......... .. .......... .. ......1 8
Kühlung des Systems ................................................................31
Installa tion des Laufwerk es
und Anschluß der Kabel..........................................................33
W drive sec tion .. .......... ... ......... ... ......... ... .......... .. .......... .. .......... .39
LED indicator co nnections..................... ................... .. ...............29
©1997, 1998 Seagate Technology, Inc. All righ ts r eserved
Publicat ion Number: 83329290, Rev. B
February 1998
Seagate, Seagate Technology, and the Seagate logo are regis-
tered trademarks of Seagate Technology, Inc. Elite, SeaFAX,
SeaFONE, SeaNET, SeaTDD, and SeaBOARD are either trademarks or registered trademarks of Seagate Technology, Inc. All
other trademarks or registered trademarks are the propery of
their respective owners .
No part of this publication may be reproduced in any form without
written permission from Seag ate Technology, Inc.
Elit e 47 I ns talla tion Gu ide, Rev. B 1
Preface
This manual contains information for users of the Seagate®
ST446452 Elite 47 SCSI disc drives. It provides support services, performance specifications, and initial setup information.
Additional information is available in the
(part number 83329280). Contact your Seagate sales representative if you need to order this publication.
Electrostatic discharge protection
Caution.
All drive electronic assemblies are sensitive to static electricity,
due to the electrostatically sensitive devices used within the
drive cir cuitry. Although some devices such as metal- oxide semiconductors are extremely sensitive, all semiconductors, as well
as some resistor s and capacitors, may be dama ged or degraded
by exposure to static electricity.
Electrost ati c damage to electronic devices may be caus ed by the
direct discharge 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 grounded metal assembly. As a general rule,
remember that you and the drive electronics must all be
grounded to avoid potentially damaging static discharges.
• Turn off the power before removing or installing the DC power
cable.
Removal of circuit boards by personnel not performing depot repair will damage components and may
void the warranty.
Elite 47 Product Manual
2 E l ite 47 In s ta lla t io n Gu id e, Rev. B
• Do not remov e any circuit boards from the drive .
• Never use an ohmmeter on any circuit boards.
• When installing the dri ve on a carrier or t ray, discharge the carrier or tray pr io r to ins e rting it int o the sy st e m .
Important safety information and precautions
Caution.
Use proper safety techniques for safe, reliable operation of this
unit.
The procedures in this manual and labels on the unit contain
warnings and cautions that must be 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 others. The cautions point out conditions or practices that may damage the unit, poss ibly making it unsafe for use.
Always observe the following warnings and precautions:
• Follow all cautions and warnings in the procedures.
• Use sound safety practices when operating, installing, or
removing the uni t.
• Use caution when troubleshooting a unit that has voltages
present. Tur n 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 in an equipment rack or cabinet. When units are
stacked vertically, pay special attention to the top where temperatures are usually highest.
• Follow the precautions listed above in “Electrostatic discharge
protection.”
Use forced-air ventilation when bench-testing the
drive to ensure proper cooling of drive components.
Elit e 47 I ns talla tion Gu ide, Rev. B 3
• Do not remove any circuit boards from the drive. 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 the war ranty.
• Return the entire driv e for depot repair if the HDA is defectiv e.
• 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 components and void the
warranty.
As a component, this drive is designed to be installed and operated in accordance with UL1950, EN60950, CSA C22.2 950M89, and VDE0805.
Seagate takes all reasonable steps to ensure that its products
are certifiable to currently accepted standards. 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 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 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 results are available
through the Seagate Safety Department to assist the subsystem
designer.
4 E l ite 47 In s ta lla t io n Gu id e, Rev. B
Wichtige Sicherheitshinweise
Vorsicht.
Fremdbelüftung vorzusehen, um eine ausreichende Kühlung der
Laufwerkkomponenten sicher zustellen.
Verwenden Sie geeignete Sicherheits- um den sicheren, zuverlässigen Betrieb dieser Einheit zu gewährleisten.
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. Die Warnhinweise machen auf Situationen
oder Praktiken 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
ev entuellen Risiken jeder 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 zuerst sicher, daß das gewähl te Verf ahren weder Ihre
persönliche Sicherheit noch die Leistung der Einheit gefährdet.
Beachten Sie in jedem Fall die folgenden Warn-und Vorsichtshinweise:
• Beachten Sie alle Warn- und Vorsichtshinweise in diesem
Beim Testen des Laufwerks auf dem Prüftisch ist
Handbuch.
Elit e 47 I ns talla tion Gu ide, Rev. B 5
• Treffen Sie beim Betrieb, bei der Installation oder bei der
Entfernung der Einheit angemessene Sicherheitsvorkehrungen.
• Wenn eine Einheit unter Spannung steht, gehen Sie bei der
Fehlerdiagnose besonders vorsichtig vor. Schalten Sie die
Einheit au s, bevor Sie mit den Instal lations-und Ent fernungsarbeiten beginne n.
• 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 betestigt werden, achten Sie besonders auf den
oberen Stapelbereich, da dort die Temperatur gewöhnlich am
höchsten ist.
• Befolgen Sie die oben unter “Electrostatic Discharge Protection” angegebenen Sicherheitsmaßnahmen.
• Nehmen Sie keine Platinen aus dem Laufwerkgehäuse. 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
zuständigen kann zu einer Beschädigung der Komponenten
und Erlöschen des Garantieanspruchs führ en.
• 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.
6 E l ite 47 In s ta lla t io n Gu id e, Rev. B
Als Tei lkomponen te ist die ses Laufwer k für di e Installati on und
den Betrieb in Übereinstimmung mit UL 1950, EN60950, CSA
C22.2 950-M89 und VDE0805 vorgesehen.
Seagate ist ständig bemüht, die Zulassungsfähigkeit von
Seagate-Prod ukten im Ra hmen der geg enwär tig geltend en
Standa rds z u gewäh r leist en. Zu den ty pisch en An wend unge n
dieser Festplattenwerke zählen Systemeinbau durch den
Kunden und die Konstruktion von Untersystemen. Sicherheitsbehörden gewähren eine bedingte Zulassung für Komponenten wie
das Elite-Festp lattenla ufwerk vorbeha ltlich de r endgülti gen
Zulasssung im Endprodukt. Designer von Untersystemen sind
dafür verantwortlich, die Voraussetzungen für die Einhaltung
sicherheits- oder auf sichtsbehör dli cher Vorsc hrif ten in ihren Endprodukten und - falls gesetzlich 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 solche nicht
den Anforderungen der FCC oder äh nli cher nationaler Behörden
für eigenständige Geräte . Technische Testergebni sse zu elektromagnetische Strahlung sind für Des igner von Untersystemen au f
Anfrage von der Seagate-Sicherheitsabteilung erhältlich.
Elit e 47 I ns talla tion Gu ide, Rev. B 7
Regulatory agency compliance
Electromagnetic susceptibi lity
As a component assembly, the drive is not required to meet any
susceptibility performance re quirements. It is the responsibility of
those integrating the drive within their systems to perform those
tests required and design their system to ensure that equipment
operating in the same system as the drive or external to the system does not adversely affect the performance of the drive. See
Table 2, DC power requirements.
Electromagnetic 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 applications. The selected system represents the most popular characteristics for test platforms. The system configurations include:
• 486, Pentium, and P owerPC microprocessors
• 3.5-inch floppy disc driv e
• Ke yboard
• Monitor/di splay
• Printer
• External modem
• Mouse
Although the test system with this Seagate model complies to
the directives/standard(s), we cannot guarantee that all systems
will comply. The computer manufacturer or system integrator
shall confirm EMC compliance and provide CE Marking and CTick Marking for their product.
8 E l ite 47 In s ta lla t io n Gu id e, Rev. B
Electromagnetic compliance for the European Union
If this model has the CE Marking it complies with the European
Union requirements of the Electromagnetic Compatibility Directive 89/336/EEC of 03 M ay 1989 as amended by Dir ective 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 Australia/New Zealand Standard AS/NZS3548 1995 and meets the
Electromagnetic Compatibility (EMC) Framework requirements
of Australia’s Spectrum Management Agency (SMA).
Elit e 47 I ns talla tion Gu ide, Rev. B 9
Technical support services
If you need assistance installing your drive, consult your dealer.
Dealers are familiar with their unique system configurations and
can help you with system conflicts and other technical issues. If
you ne ed additional assistance with you r Seagate
Seagate products, use one of the Seaga te technical support services list ed below.
SeaFONE® 1-800-SEAGATE
Seagate’s 800 number (1-800-732-4283) allows toll-free access
to automated self-help services, providing answers to commonly
asked questions, 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 dial ing 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 line. You can also download software for installing
and analyzing your drive.
SeaNET™
You can obtain technical information about Seagate products
over the Inte rne t fro m Se ag ate’s World Wi de We b hom e pa ge
(http://www.seagate.com)
ftp.seagate.com)
DiscSupport @ Seagate.com
to
Seagate.com
. You can also send E-mai l wi th your questions
.
or Seagate’s ftp server
or
®
drive or other
(ftp://
TapeSupport @
10 Elite 47 Installation Guide, Rev. B
Seagate CompuServe f orum
Online technical support for Seagate products is available on
CompuServe. To access our technical support forum, type
seagate
. This f orum provides i nformation similar to that found on
go
SeaBOARD. In addition, you can type questions or browse
through previous questions and answers on the forum messages.
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
France 33 1-48 25 35 95
Germany 49-89-140-9331
Taiwan 886-2-2719-6075
Thailand 662-531-8111
UK 44-1628-478011
USA Disc: 405-936-1600; Tape: 405-936-1630
Elit e 47 I ns talla tion Gu ide, Rev. B 11
FAX services
SeaFAX®
You can use a touch-tone telephone to access Seagate’s automated FAX system to receive technical support information by
return FAX. This service is available 24 hours daily.
Location Phone number
Australia 61-2-9756-5170
Germany 49-89-1430-5102
UK 44-1628-894084
USA Disc: 405-936-1620; Tape: 405-936-1640
Seagate technical support FAX
You can FAX questions or comments to technical support specialists 24 hours daily. Responses are sent during business
hours.
Location Phone number
Australia 61-2-9725-4052
France 33 1-46 04 42 50
Germany 49-89-1430-5100
Hong Kong 852-2368 7173
Japan 81-3-5462-2979
Korea 82-2-556-4251/7395
Singapore 65-488-7528
Taiwan 886-2-2715-2923
UK 44-1628-890660
USA Disc: 405-936-1685; Tape: 405-936-1683
12 Elite 47 Installation Guide, Rev. B
Direct-support services
Seagate technical support
For one-on-one help , you can talk to a technical support specialist during local business hours. Before calling, note your system
configuration and drive model number (ST
Location Phone number
Aust ralia 61-2-9725-3366 (9 :00
time, M–F)
France 33 1-41 86 10 86 (9:30
Germany Disc: 49-89-140- 9332; Tape: 49-89-140-9333
Hong Kong 852-2368 9918
Kor ea 82-2-531-5800 (9:00
Singapore 65-488-7584 (9:00
Taiwan 886-2-2514-2237
UK 44-1628-894083 (10: 00
USA Please dial 1-800-SEAGATE or 408-456-4496
P.M
2:00
(9:30
M–F)
P.M
to 5:00
2:00
for the speci fic product telephone number.
(8:00
Central time, M–F)
.
A.M
.
to 6:00
P.M
P.M
.
A.M
to 5:00
.
to 5:00
.
P.M
to 12:30
P.M
.
, M–F)
.
, M–F)
P.M
to 1:15
P.M
A.M
P.M
A.M
A.M
.
, M–F)
.
, 2:00
A.M
.
to 12:00
.
to 12:00
A.M
.
, M–F)
.
, 2:30
xxxx
.
to 5:00
.
to 12:30
P.M
.
to 1:00
P.M
).
P.M
P.M
.
to 4:00
P.M
P.M
.
, 2:00
P.M
.
to 7:00
.
, Eastern
.
,
P.M
.
, 1:00
P.M
.
,
P.M
.
.
,
.
,
SeaTDD™ 405-936-1687
Using a telecommunications device for the deaf (TDD), you can
send questions or comments 24 hours daily and exchange mes-
A.M
sages with a technical support specialist between 8:00
.
to
Elit e 47 I ns talla tion Gu ide, Rev. B 13
P.M
12:15 P.M. and 1:30 P.M. to 6:00
through Friday.
.
(Central time) Monday
Customer service centers
Seagate direct OEM, Distribution, and Systems Integrator customers should contact their Seagate service representative for
warranty information. Other customers shoul d contact t heir place
of purchase. Seagate offers comprehensive customer support
for all Seagate drives. These services are available worldwide.
Location Phone number FAX number
Asia Pacific and Au stralia 65-485-3595 65-488-7503
Europe, Middle East,
and Africa 31-2031-67300 31-20 65-34320
Japan 81-3-5462-2904 81-3-546 2-2979
USA 1-800-468-3472 405-949- 6740
Other Americas (Braz il ,
Canada, Mexico) 405-949-6706 405-949-6738
Manufacturer’s representatives
Brazil
MA Informatica 55-21-516-6649 55-21-516-5280
Canada
Memofix
Adtech
Mexico
Abicom Seamax
SA DE CV 525-546-4888 525-546-4888
Southern Europe
Caesar Italia 39-688-18149 3 9-688-02103
905-660-4936
905-812-8099
1-800-624-9857
905-660-8738
905-812-7807
14 Elite 47 Installation Guide, Rev. B
General description
Elite 47 SCSI disc dri ves are high-speed, random-access digitaldata storage devices.
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 enclosur e desi gned to house one or more di sc driv es
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 emissions. The
contains guidelines for a properly designed enclosure.
Elite 47 Product Manual
(part number 83329280)
Figure 1. Elite 47 disc drive
Elit e 47 I ns talla tion Gu ide, Rev. B 15
Table 1: Drive characte ri stics
Interface Ultra SCS I
1
Capacity
Unformatted 62.6 Gbytes
Formatted
2
47.0 Gbytes
Recording
Cylinders (user) 9,996
Read/write data heads 28
Servo Embedded
Seek time (typical)
3
Average read 13.0 msec
Average write 14.0 msec
Disc rotation
r/min 5,357 +
0.5%
Av erage latency 5.60 msec
Internal transfer rate 125 to 185
(Mbits/sec, variable with zone)
Max sync. SCSI trans fer rate 40 Mbytes/sec
Multi-segmented cache 4,096 Kbytes
1
SCSI-3 can also be operated according to SCSI-1 and SCSI-2
protocols.
2
Standard factory units are formatted as follows:
512 data bytes per sector
6 cylinders per regi on
82 spares per region
3
Not including on-board controller overhead.
16 Elite 47 Installation Guide, Rev. B
Table 2: DC power requir eme nts
Single-ended
Voltage regulation
8,10
5
+5V
± 5%
+12V
± 5%
8
2
Amps
Maximum starting current
Peak DC
Delayed motor start (max)
Peak operating cur rent
Typical DC
Maximum (peak)
1
Measured with an average reading DC ammeter. Instanta-
3, 6, 9
1
1.0 4.8
1, 4
7
.85 .1
.98
1.1
1.6
2.8
neous +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 5,357 r/min. The
±5% must be maintained after the drive signifies that its
power-up sequence has been completed and that the drive is
able to accept selection by the host initiator.
3
See the +12V current profile in the
Elite 47 Product Manual
(publication number 83329280).
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
ual.
The specified voltage tolerance is inclusive of ripple,
Elite 47 Product Man-
noise, and tr ansient response.
6
At power-up, the motor current regulator limits the +12V current to an average value of less than 4.8A, although instanta-
Elit e 47 I ns talla tion Gu ide, Rev. B 17
neous peaks may exceed this value. These peaks should
measure 5 msec dura ti on or less.
7
Minimum current loading for each supply voltage is not 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.
10
No terminator power. See 11.7.3.3 in the
Elite 47 Product
Manual.
Table 3: Dimensions of the drive
Typical Maximum
inches mm inches mm
Height 3.25 82.6 3.268 83.0
Width 5.75 146.1 5.76 146.3
Depth 8.0 203.0 8.01 203.5
Weight 7.0 pounds (3.18 ki lograms)
18 Elite 47 Installation Guide, Rev. B
Initial setup information
The foll owing topics are discussed in this section:
• 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 cables
• Formatting t he drive
Elit e 47 I ns talla tion Gu ide, Rev. B 19
SCSI ID jumpers
Each device on the SCSI chain must have a unique SCSI ID.
The host system’s SCSI controller usually uses the ID that has
the highest priority interrupt in the SCSI I/O system. This is
always ID7. ID0 is lowest priority in an 8-bit I/O system. ID8 is
lowest priority in a 16-bit I/O system. The lower priority SCSI IDs
are normally used for other SCSI devices such as this Elite disc
drive.
Note.
Most SCSI controllers (host adapters) allow you to skip a
SCSI ID. For example, you can have ID0, ID1, and ID3
(skipping ID2). Other controllers do not allow this so be
sure to refer to your system or controller user’s man ual for
details about its requirements for proper SCSI device
installation.
Note.
This drive is a SCAM (SCSI Configured Auto Magically)
compliant drive. I f the system i nto which you are inst all ing
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 the
existing drive ID jumper settings. Setting the drive ID
doesn’t hurt anything, but is not necessary in a SCAM
compliant system.
20 Elite 47 Installation Guide, Rev. B
Most Elite 47 disc drives are factory set with the SCSI ID set at
0. To change the SCSI ID, install ju mpers on the appropriate pins
as shown in Figure 2.
J4A
Pin 1
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 = Ah (10)*
SCSI ID = Bh (11)*
SCSI ID = Ch (12)*
SCSI ID = Dh (13)*
SCSI ID = Eh (14)*
SCSI ID = Fh (15)*
Pin 15
Pin 1
Connector
J6
SCSI I/O
DC Power
Connector
J4A
J01
J4B
Pin 1
Figure 2. Setting the SCSI ID
If, after completing the installation process, the drive’s LED does
not show on/off activity when the host is trying to communicate
with 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
Elit e 47 I ns talla tion Gu ide, Rev. B 21
user’s manual to ensure that you have not violated its SCSI ID
numbering recomm endations.
Drive termination
If you are installing a Elite 47 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 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 controller 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 control lers treat
the internal and external chains as separate logical
buses. This means you may need to terminate both the
first and last devices on both logical buses to achieve
proper termination. If necessary, refer to your system or
controller documentation to see how this is handled in
your particula r system.
22 Elite 47 Installation Guide, Rev. B
Internal SCSI cable
Internal
SCSI device
Internal
SCSI device
Internal SCSI cable
Internal
SCSI device
Internal
SCSI device
Terminate
Controller
Terminate
Controller
External
SCSI
cable
External
SCSI device
External
SCSI device
Figure 3. SCSI bus termination
Terminat ing the dr ive
ST446452W drives are terminated with permanently mounted IC
active terminators. If you install one of these drives and it is not
on the end of the SCSI bus, disable the terminators by removing
the TE jumper from pins 19 and 20 of connector J4A. If you
install the drive on the end of the SCSI bus, enable termination
by installing a jumper on pins 19 and 20 of connector J4A (see
Figure 4).
Elit e 47 I ns talla tion Gu ide, Rev. B 23
Note. Use active (A NSI SCSI-2 Alt ernative 2) terminators when
terminating the bus.
Pin 1
J4A
Pin 1
Terminator Enabled (TE)
Terminator Disabled (TE)
J4A
J01
J4B
Pin 1
Pin 19
Figure 4. Terminat ing the drive
Terminat or power
You usually will not need to change this option and can normally
leave the drive configured as it was shipped from the factory.
There are three possible terminator power configurations for
ST446452W drives (see Figure 5). You will not normally need to
change this option and can leave the drive configured as it was
shipped from the factory.
24 Elite 47 Installation Guide, Rev. B
Pin 2
Pin 1
Pin 4
Pin 3
J01
Pos. B
Pos. A
Pos. 2
Pos. 1
Pin 4
Pin 3
Terminator Power Option (TP)
Pin 2
J01
Pin 1
Drive supplies its own terminator power.
Drive receives terminator power from SCSI bus.
Drive supplies terminator power to itself and
the SCSI bus.
Figure 5. Setting terminator power jumpers
I/O circuits and data path widths
W 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.
Elit e 47 I ns talla tion Gu ide, Rev. B 25
Figures 6 and 7 show typical drive connections. The following
table lists the maximum cable lengths and number of devices
with single-ended I/O circuits allowed on a daisy-chain cable for
5 and 20 Mbytes/sec (10 megatransfers/sec) I/O data transfer
rates.
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 16 6 meters (19.7 ft. )
>5 Mbytes/s 16 3 meters (9.8 ft.)
26 Elite 47 Installation Guide, Rev. B
Figure 6. 68-pin (wi de) connection to drive
Elit e 47 I ns talla tion Gu ide, Rev. B 27
*SCSI ID X
SCSI ID 1
(or last drive)
SCSI ID 0
Additional
SCSI devices
*“X” means up to ID15 or the
maximum allowable number
of devices on the SCSI bus.
See Table 1.
Pin 1
(check your adapter
for Pin 1 location)
SCSI ID 7
Host
Adapter
PCB
* I D7 has highest priorit y , even when there are more than 8 drives in th e
daisy chain.
Figure 7. Multiple-drive connection to host adapter
28 Elite 47 Installation Guide, Rev. B
Other appli cable jumper option s
Other option jumpers are available as illustrated below.
Pin 1
J4B
Spinup Delay Option (DS)
Immediate spinup (if the Start Command
option jumper is disconnected)
Spinup delay equal to the SCSI Bus ID
multiplied by 12 seconds (if the Start
Command option jumper is disconnected).
Start Command Option (ME)
Start spindle according to the Spinup
Delay option jumper.
Start spindle after the SCSI Bus sends
a Start Unit command.
SCSI Bus Parity Check (PD)
Check the parity of data bytes read from
the SCSI Bus.
Ignore parity check.
Reserved
Pin 1
Figure 8. Additional jumper options
J4A
J01
J4B
Pin 1
Elit e 47 I ns talla tion Gu ide, Rev. B 29
Active, Re ady, and Fault indicators
The Active, Ready, and Fault LED indicator connections are
shown below.
Pin 1
J4A
Pin 1
Reserved
Active LED Connector
Fault/Ready LED Connector
Terminator Enabled (TE)
Reserved
Note: On some LEDs the flat
side of indicator is cathode.
SCSI I/O
Connector
J4A
J6
DC Power
Connector
Pin 18
Pin 16
Pin 15 Pin 17
Figure 9. LED indicator connections
J01
Pin 1
CATH
CATH
CATH
J4B
Active
Fault
Ready
30 Elite 47 Installation Guide, Rev. B
Providing adequate cooling
The enclosure design must ensure adequate cooling for the
drive. The MTBF (mean time between failure) value is based on
operating at a local ambient temperature of 30°C (86°F). The
maximum ambient temperature is 50°C.
The drive’s product manual (83329280) 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 duri ng 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 inlet and exit. This minimizes the distance
traveled by air that is heated by the drive and by other nearby
heat source s.
Figure 10 shows two design approaches with one or more fans
used to generate ai r flow. The air-flow patterns 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.
Elit e 47 I ns talla tion Gu ide, Rev. B 31
Kühl ung des Sy stems
Die Gehäusekonstruktion muß eine ausrei chende Kühlung des
Laufwerkes gewährleist en. Die Umgebungstemperatur darf maximal 50°C betragen.
Die Produkthandbuch Elite 47 (Dokument 83329280) enthalten
Anweisungen zur Beurteilung der Luftstromkonstruktion. Die
Beurteilung muß sicherstellen, daß sich die Gehäusetemperatur
bestimmter kritischer Komponenten bei Laufwerkbetrieb innerhalb zugelassener Grenzen hält .
Wir em pfehlen , das Lauf wer k so zu ori entie re n ode r d en Lu ftstrom so zu lenken, d aß der geri ngste Luftstrom widerstand
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 Minimu m bes chränkt.
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 abz iehen . Genere ll kann d er Lu ftstrom entwede r von
vorne nach hinten oder von hinten nach vorne verlauf en.
32 Elite 47 Installation Guide, Rev. B
.99
Above unit
Über der Einheit
Under unit
Unter der Einheit
Note. Air flows in the direction shown (back to front)
or in reverse direction (front to back)
Hinweis. Luftstrom in der angezeigten Richtung
(von vorne nach hinten) oder in umgekehrter
Richtung (von hinten nach vorne)
Above unit
Über 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)
Under unit
Unter der Einheit
Figure 10. Suggested air flow
Abbildung 10.Empfohl ener Luftstromverlauf
Elit e 47 I ns talla tion Gu ide, Rev. B 33
Mounting the drive and connecting cables
Do not touch the connector pins or any components on the control board without observing static-discharge precautions.
Alwa ys handle the drive by the frame only.
The drive may be mounted in any orientation (horizontally, 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 mounting holes are in each side of the
HDA and there are four mounting holes in the bottom of the
HDA.
The maximum length that the screws should extend into the
HDA mounting holes is 0.17 inch (4.318 mm), measured
from the outer sur face of the HDA. Tighten the screws down
evenly. Do not over-tighten or force the screw if it does not
seem to sc rew in eas il y, because t his means the threads are
not properly aligned. In thi s case, back the screw out and t ry
again.
Installation des Laufwerkes
und Anschluß der Kabel
Beachten Sie bei m Hand haben 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 (horizontal, vertikal oder schräg) installiert werden; jedoch muß dafür gesorgt
werden, daß ein ausreichender Luftstrom zur Kühlung des Laufwerkes vorhanden ist.
34 Elite 47 Installation Guide, Rev. B
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
Befestigungslöche r auf.
Gemessen von der Außenfläche des G ehäuses dürfen die
Schrauben maximal 4,318 mm in die Befestigungslöcher
des Gehüuses hineinragen. Die Schrauben müssen gleichmäßig, jedoch nicht zu fest, angezogen werden. Wenn sich
eine Schraube nicht ohne Widerstand einschrauben läßt,
sind die Gewinde nicht korrekt aneinander ausgerichtet. In
diese m Fall die Sc hraube nic ht in das Gewi ndeloch
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 y ou have correctly installed jumpers.
3. Stellen Sie sicher, daß die Kenn ungsbrücken installiert sind .
4. Connect the SCSI cable into the drive’s SCSI connector.
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-pin connector
mounted next to the SCSI connector. The output of a power
supply must meet SELV (safety extra low voltage) as
defined in IEC 950. Figure 11 provides the pin information
Elit e 47 I ns talla tion Gu ide, Rev. B 35
for the DC power connector. To connect the DC power cable
to the drive, simply insert the cable end into the drive’s DC
power connector.
4. Schließen Sie das SCSI-Kabel an den SCSI-Steckverbinder
des Laufwer kes an. Da s Kabel dar f nicht ge dehnt oder
gedrückt werden und es darf den Luftstr om zur Kühlung des
Systems nicht behindern.
Das Laufwerk wird über einen 4-poligen, neben dem SCSIAnschluß befestig ten Steckver binder mit G le ichst rom versorgt. Der Ausgang eines Netzteils muß SELV (safety extra
low voltage) nach IEC 950 entsprechen. Abbildung 11 zeigt
die Steckerbelegung für den Gleichstromanschluß. Zum
Anschlu ß des G leichs tromk abels an das L aufwer k das
Kabelende in den Gleichstromanschluß des Laufwerkes
stecken.
Pin
Pin
1
2
3
4
Power
+12V
+12V return
+ 5V return
+ 5V
4321
Gleichstrom
1
+12 V
2
+12 V Rückleitung
3
+ 5 V Rückleitung
4
+ 5 V
Figure 11. DC power connector
Abbildung 11.Gleichstromanschluß
36 Elite 47 Installation Guide, Rev. B
Note. Signal ground on the printed circuit board assembly
(PCBA) and the head and disc assembly (HDA) are connected together in this drive and you cannot separate
them. Ensure the equipment in which you have mounted
the drive is connected directly to the HDA. Maximizing
the conductive contact area between HDA ground and
system gro und may reduce radiated emissions.
If you do not want the system chassis to be connected to
the HDA/PCBA ground, you must provide a nonconductive (electrically isolating) m ethod of mounting the driv e in
the host system. This may increase radiated emissions
and is the system designer’s responsibility.
Hinweis:
Die Signalerde auf der Stromregelungskarte (PCBA) und
der Kopf- un d Festpl atte nein heit (HDA) sind i n diese m
Laufwerk miteinander verbunden und können nicht
getrennt werden. Das Gerät, in das Sie das Laufwerk
eingebaut haben, ist ohne elektrisch isolierende
Stoßdämpfer direkt an di e 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 Systemgehäuse nicht an die HDA/PCBAErdung anschließen wollen, müssen Sie das Laufwerk
auf nichtleitende Weise (galvanisch isoliert) im Host-System einba uen. Die da raus u.U. resultie ren de verst ärkt e
Elit e 47 I ns talla tion Gu ide, Rev. B 37
elektromagnetische Strahlung fällt in den Zuständigkeitsbereich des Syste md esigners.
5. Replace the host system’s cover.
5. Setzen Sie das Gehäuseoberteil des Host-Systems wieder
auf.
38 Elite 47 Installation Guide, Rev. B
[3]
L
F
JK
H
D
G
[1]
Notes:
Mounting holes two on each side,
[1]
6-32 UNC. Max screw length into
side of HDA 0.17 in. (4.318 mm).
Mounting holes four on bottom,
[2]
6-32 UNC. Max screw length into
bottom of drive 0.18 in. (4.572 mm).
Power and interface connections.
[3]
Decorative front panel.
[4]
A
E
[2]
C
B
[4]
Inches Millimeters
8.000
A
B
C
D
E
F
G
H
J
K
L
5.750
2.875
2.950
3.120
0.860
5.500
0.125
3.120
2.950
3.240
±
±
±
±
±
±
±
±
±
±
±
0.010
0.010
0.010
0.020
0.010
0.005
0.010
0.010
0.010
0.020
0.020
Figure 12. Mounting configuration dimensions
203.20
145.05
73.02
54.93
79.25
21.84
139.70
2.17
79.24
74.93
82.30
.25
±
.25
±
.25
±
.50
±
.25
±
.13
±
.25
±
.25
±
.25
±
.50
±
.50
±
Elit e 47 I ns talla tion Gu ide, Rev. B 39
Formatting the drive
Warning.
Note.
1. Turn on DC power.
2. Boot the system from a system floppy disc, CD, or from a
3. Format the disc drive. Elite 47 disc drives are designed to
Quick reference desktop system notes
Note.
• DOS/Windows. Set the drive type in CMOS to “
or “
MAT.EXE.
• Macintosh. Use Apple’s Disk Setup utility version 1.3.1 or a
third-party drive utility to initialize or format the drive. Apple’s
Disk Setup utilities prior to version 1.3.1 only work with drives
having special Apple firmware.
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
that previously has been used to store data, unless
your intention is to erase all user data.
Seagate is not resp onsible for lost user data.
previously installed hard disc drive if there is one.
operate with a variety of operating systems. Please refer to
your system or SCSI controll er manual f or information about
formatting and setting up the drive. Some quick desktop
system notes are provided below.
If you are unable to access the full capacity of this drive,
refer to your SCSI host adapter and operating system
instructions as there are many host adapter and operating system interactions which ma y limit your abi li ty to use
the full capacity of high-capaci ty dri ves.
Zero,” “Non e,”
No hard drive installed
.” Use FDISK.EXE and FOR-
Seagate Technology, Inc.
920 Disc Drive, Scotts Valley, CA 95066-4544, USA
Elit e 47 I ns talla tion Gu ide, Rev. B 43
Publication Number: 83329290, Rev. B, Printed in USA
44 Elite 47 Installation Guide, Rev. B
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