. . . . . . . . . . . . . . . . . . . . . . . . . . . . .
HAWK 2LP Family:
. . . . . . . . . . . . . . . . . . . . . . . . . . . . .
(Wide bus)
. . . . . . . . . . . . . . . . . . . . . . . . . . . . .
ST32430W/WD/WC
. . . . . . . . . . . . . . . . . . . . . . . . . . . . .
ST32430DC
. . . . . . . . . . . . . . . . . . . . . . . . . . . . .
ST31230W/WD/WC
. . . . . . . . . . . . . . . . . . . . . . . . . . . . .
ST31230DC
. . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Installation Guide
. . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Hawk 2LP (Wide) Installation Guide, Rev. A
1
Introduction
Thismanualisorganizedtoassistyouintheinstallation
and operation of your Seagate Hawk 2LP (wide bus)
family disc drive. Family models are listed in the Prod-
uct Information section. It also provides information to
aid in obtaining service for the drive. The Hawk 2LP
(wide) family drives have a 16 bit data interface.
Beforeattemptinganyinstallation,pleasereadthrough
all applicable sections of this document, including all
warnings and cautions.
Warning.
This equipment generates,uses,andcanradiateradio
frequency energy and if not installed and used in
accordance with these instructions, may cause inter-
ference to radio communications.
Electromagnetic interference (EMI) con-
siderations
The drive(s) described herein, as delivered, are de-
signed for system integration and installation into a
suitable enclosure prior to use. As such, the drive(s)
described herein are supplied as a subassembly and
arenotsubjecttoSubpartJofPart15oftheFCCRules
2
Hawk 2LP (Wide) Installation Guide, Rev. A
and Regulations nor the Radio Interference Regula-
tionsoftheCanadianDepartmentofCommunications.
However, theunithasbeentestedusingpropershield-
ing and grounding and found to be compliant with the
Class A limits of the FCC Rules and the Regulations of
the Canadian Department of Communications.
The physical design characteristics of the drive(s)
described herein, serve to minimize EMI radiation
when installed in an enclosure that provides reason-
able shielding. As such, the drive(s) are capable of
meeting the Class B limits of the FCC Rules and the
RegulationsoftheCanadianDepartmentofCommuni-
cations.
Note. It is the end users' responsibility to assure that
the drive(s) described herein meet the appro-
priate EMI requirements of their system.
Shielded I/O cables may be required if the
enclosure does not provide adequate shield-
ing. IfI/Ocablesare externaltotheenclosure,
shieldedcablesshouldbeused,withtheshields
grounded to the enclosure and to the host
controller.
Hawk 2LP (Wide) Installation Guide, Rev. A
3
Before you begin
Verify that the system is switched off and discon-
nected from main power before any installation is
attempted.
Protect yourself, the drive, and your valuable pro-
grams and data by reading the following cautions
and warnings.
• Do not tamper with sealed top cover. Doing so voids
your warranty. The drive contains no user service-
able components. See Product Repair section for
more information.
• Visually inspect the shipping container for any obvi-
ous damage.
• Verifyallpartslistedonshippingbillarereceivedwith
the equipment. Discrepancies or damage should be
reported to the shipping company.
• Inspectdriveforpossibleshippingdamage.Allclaims
of this type should be filed promptly with the trans-
porterinvolved.Saveoriginalpackingmaterialstobe
used when reshipping.
4
Hawk 2LP (Wide) Installation Guide, Rev. A
• When transporting or shipping a drive or system,
please ensure that they are correctly packed in
original Seagate approved (or equivalent) container
and shipped via an air-ride carrier experienced in
handling computer equipment.
• Do not unpack drive from its static shielded bag until
you are ready to install it in the system.
• Always handle the drive by the frame or casting.
• Do not touch Printed Circuit Board (PCB) or the I/O
connector pins.
• Never apply pressure to the PCB or to the drive top
cover
Hawk 2LP (Wide) Installation Guide, Rev. A
5
Caution. Thecircuitassembliesandcomponentscon-
tained in this equipment can be degraded or
destroyedbyElectrostaticOverstress(EOS)
or by Electrostatic Discharge (ESD).
Static electrical charges can accumulate
quickly on personnel, clothing and synthetic
materials.Theelectrostaticfieldsduetothese
charges when brought in close proximity to
susceptible circuit assemblies and compo-
nents, can result in degraded reliability or
immediate failure of the affected component
or assembly.
Toinsureoptimumreliableequipmentopera-
tion, it is required that technical support per-
sonnel discharge themselves by wearing a
grounding strap around the wrist and be
connectedtoagroundingterminalwhilework-
ing in the vicinity of, and while handling EOS/
ESDsusceptibleassemblies/parts.Ifunavail-
able, ground yourself frequently by touching
the metal chassis of the system before han-
dling any components (this helps only if the
system is connected to a ground). Avoid
static-inducing carpeted areas. This proce-
dure is especially important when handling
printed circuit boards (PCB's).
6
Hawk 2LP (Wide) Installation Guide, Rev. A
Safety instructions
1. The disc drive(s) are to be installed in a customer
suppliedenclosurewherethesurroundingairdoes
not exceed 50oC.
2. Four (4) 6-32 UNC-2A screws are required for
installation. Maximum screw length into side of
drive is 0.15 inches (3.81 mm). Maximum screw
length into bottom is 0.20 in. (5.08 mm). Maximum
screw tightening torque is 6.0 in-lb (.675 NM) with
minimumthreadengagementof0.12in(3.05mm).
3. The power requirements are shown in the Product
Information section.
4. The power supply must satisfy the safety require-
ments for SELV (Safety Extra Low Voltage) cir-
cuits.
5. Service is to be provided by trained Seagate ser-
vice personnel.
6. The incorporation of the disc drives listed in this
guide into a customer enclosure must meet the
appropriate safety requirements of the country in
which it is used (e.g. UL 1950, CAN/CSA-C22.2
No. 950-M89, DIN VDE 0805:1993 and EN60950:
1992 (IEC 950).
Note. Power must be off when connecting or discon-
necting.
Hawk 2LP (Wide) Installation Guide, Rev. A
7
Sicherheitsanleitung
1. DäsGerätisteinEinbaugerät,vorgesehenfüreine
maximale Umgebungstemperatur von 50oC.
2. Zur Befestigung des Drives werden 4 Schrauben
benötigt (6-32 UNC-2A). Die maximale Länge der
Schrauben in der unteren Seite des Chassis darf
nicht mehr als 0.20 in (5.08 mm) betragen, die in
der oberen 0.15 in (3.81 mm). Maximalle
Schraubenanziehung von 6.0 in-lb (.675 NM) mit
minimalemGewindeansperuch0.12in(3.05mm).
3. DieVersorgungsspannungenwerdeninderSektion
Produkt Information gezeigt.
4. Die Versorgungsspannung muss SELV entspre-
chen.
5. AlleArbeitendürfennurvonausgebildetemSeagate
Service-Personal durchgefürhrt werden.
6. Der Einbau des Drives muss den Anforderungen
gemässDINVDE0805:1993oderEN60950:1992
(IEC 950).
Vorsicht
ÁnsehlussoderEntfernungolerGeräteverbindungnur
beiabgeschalteterVersorgungsspannungvornehmen.
8
Hawk 2LP (Wide) Installation Guide, Rev. A
Installation Overview
Installation of the drive can be divided into distinct
phases. Some of these may not be applicable to all
system installation requirements. Refer to the indi-
vidualdriveinstallationsectionsforspecificinformation
on your drive model.
• Drive configuration: Select those drive features
that are appropriate to install the drive in the system.
In"W/WD"modelsthisisdonebyinstallingorremov-
ing user configuration jumpers found on the drive
PCB. For "WC/DC" models, some of the configura-
tion parameters can be set over the 80 pin interface.
• Mechanical installation: After setting up the drive
configuration the drive must be mechanically in-
stalled into the host system and the power and I/O
cables attached. Previously mentioned precautions
should be observed.
• CMOS configuration: SCSI drives should not be
definedintheCMOS.TheSCSIhostadapterusesits
own BIOS to handle the Input/Output procedures.
The CMOS setting for SCSI drive is either drive type
zero, or the no drive installed option.
Hawk 2LP (Wide) Installation Guide, Rev. A
9
• Low-Level formatting: All Hawk 2LP wide family
drive models are low-level formatted at the factory
and do not require this step during installation. If an
installeddriveislow-levelformatted,alluserdatawill
be lost.
Note: SeagateTechnologyassumesnoliabilityforlost
user data.
• Partitioningandhighlevelformatting:A drivecan
be subdivided into "partitions" which behave as indi-
vidual drives within the system. Consult the system
documentation for instructions on partitioning and
high level formatting. Information is also available in
bookstores and libraries.
10
Hawk 2LP (Wide) Installation Guide, Rev. A
Product repair information
Service requirements
The special facilities required for the manufacture of
these drives generally prohibit repair in the field. If
problemsoccurduringinstallation,pleasecontactyour
supplier for assistance. Do not attempt to disassemble
or repair. Drives should be sent to the repair depot
through the purchase source, if possible. Please ob-
serve the following cautions.
Caution.
• Handle drive with care. Do not drop, or bump hard.
• Never remove the cover of these disc drives. Serv-
icing items in the sealed HDA (heads, media, actua-
tor, etc.) require special facilities. The drive contains
no user purchasable parts or PCBs.
• Opening the sealed HDA voids the drive warranty.
• Applying a soldering device to the components on
the PCB voids the drive warranty.
• Do not connect or disconnect cables without first
removing power from the drive.
Hawk 2LP (Wide) Installation Guide, Rev. A
11
• Place drive on a flat, static dissipative surface and
handle with extreme care. Always follow all EOS/
ESD precautions to avoid damage to the electrical
assemblies.
Shipping:
When transporting or shipping a drive, a Seagate
approved container must be used. Keep your original
box. They are easily identified by the Seagate Ap-
proved Package label. Shipping a drive in a non-
approved container voids the drive warranty.
Seagate repair centers may refuse receipt of compo-
nents improperly packaged or obviously damaged in
transit. Contact your Authorized Seagate Distributor to
purchaseadditionalboxes.Seagaterecommendsship-
ping by an air-ride carrier experienced in handling
computer equipment.
Product repair and return information
Seagatecustomerservicecentersaretheonlyfacilities
authorized to service Seagate drives. Seagate does
not sanction any third-party repair facilities. Any unau-
thorized repair or tampering with the factory-seal voids
the warranty.
12
Hawk 2LP (Wide) Installation Guide, Rev. A
Warranty: Contact your Seagate Authorized Distribu-
tor, Dealer or other purchase source for warranty
information.
If the drive is no longer under warranty contact pur-
chasesourceforrepairinformationorrefertonumbers
listed in section Technical Support Services.
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. Product Technical Sup-
port is available for all Seagate products by calling the
SeaFAX, SeaFone, SeaTDD or SeaBOARD services.
These are toll calls.
SeaFAX number : United States 408/438-2620
England
44-62-847-7080
You can use a Touch-Tone telephone to access
Seagate's automated FAX delivery system and select
technicalsupportinformationbyreturnFAX. Thisserv-
ice is available 24 hours a day, 7 days a week.
Hawk 2LP (Wide) Installation Guide, Rev. A
13
SeaFone telephone number: 408/438-8222
The enhanced phone system provides recorded tech-
nical information on selected Seagate products while
you are on hold. Technical support specialists are
availabletoanswerquestionsfrom8:00AMto5:00PM
PST, Monday through Friday. Recordings are acces-
sible 24 hours a day, 7 days a week.
SeaTDD telephone number: 408/438-5382
TDD is a Telecommunication Device for the Deaf
where two people can communicate using a keyboard
that is connected to the phone line. A TDD device is
requiredtoaccessthisservice.Thisserviceisavailable
from8:00AMto5:00PMPST,MondaythroughFriday.
SeaBOARD service:
TheSeagateTechnicalSupportBulletinBoardSystem
(BBS) is available 24 hours a day, 7 days a week. A
modem is required to access this service. Modem
required. (300-9600 baud, 8-N-1). This is a toll call.
14
Hawk 2LP (Wide) Installation Guide, Rev. A
With this service you can access:
• Specifications and jumper configurations for all
Seagate products.
• Reprints of Seagate documentation.
• Adirectoryofinformationandhelpfulutilitiesthatyou
can download to your own computer.
BBS
Location
Modem
Number
USA, Mexico, Latin America 408/438-8771
Canada
England
France
Germany
Singapore
Australia
Korea
416/856-5581
44-62-847-8011
33-1-40-67-1034
49-89-140-9331
65-292-6973
61-2-756-2359
82-2-556-7294
Note: These are toll calls
Hawk 2LP (Wide) Installation Guide, Rev. A
15
Hawk 2LP family (Wide) information
Characteristics of the various drives covered by this
manual are listed in the following table.
Legend for table column meanings:
A
B
C
D
E
F
=
=
=
=
=
=
capacity, unformatted megabytes
capacity, formatted megabytes [1]
number of cylinders, user accessible
number of heads
+ 5 V typical current [2], Amps
+12 V typical current [2], Amps
Model
ST32430W
ST32430WD 2.59 GB 2.14 GB 3992
ST32430WC 2.59 GB 2.14 GB 3992
ST32430DC
ST31230W
ST31230WD 1.28 GB 1.06 GB 3992
ST31230WC 1.28 GB 1.06 GB 3992
ST31230DC
A
B
C
D
9
9
9
9
5
5
5
5
E
F
2.59 GB 2.14 GB 3992
.70 .38
.90 .40
.70 .38
.90 .40
.70 .38
.90 .40
.70 .38
.90 .40
2.59 GB 2.14 GB 3992
1.28 GB 1.06 GB 3992
1.28 GB 1.06 GB 3992
"Wide" family products have a 16 bit SCSI data bus rather
than the normal 8 bit data bus. However, they can operate on
an 8 bit data bus.
Notes.
[1] Standard units are factory formatted with 512 data bytes
per sector with eight spare sectors per cylinder and 2
cylinders at inner tracks reserved for spares in addition
to capacity listed.
[2] Measured with an average reading DC ammeter. In-
stantaneous +12 V current peaks will exceed these
values.
16
Hawk 2LP (Wide) Installation Guide, Rev. A
Initial setup information
For the initial setup connect the cables or plug into a
mounted connector (if applicable), set the drive ID on
the bus and enable or disable the I/O line terminator
resistor packs (Hawk 2LP family "W" models only).
These procedures are described in paragraphs follow-
ing. Note whether drive model number ends in W, WD,
WC or DC.
SCSI interface cable connection
The Hawk 2LP family wide drives are SCSI interface
drives. System connection on "W" and "WD" models is
via a 68 pin SCSI connector. System connection for
"WC" and "DC" models is via an 80 pin SCSI and DC
power connector. The "WC" and "DC" models plug
directly into a PCB or bulkhead mounted mating 80 pin
connector. "WC" and "DC" drives should not be con-
nectedtothehostviaacable/connector. Pin1isnoted
inFigure2.Somecableshaveacontrastingcolorstripe
on one edge to indicate pin 1. On the Hawk 2LP wide
drives the I/O connector is keyed by virtue of its shape.
There is only one way it can mate with the mating input
connector. Strain relief is recommended at the cable in
drives using cables. Do not block system cooling air
flow in routing of cables.
Hawk 2LP (Wide) Installation Guide, Rev. A
17
DC Power connection
Hawk 2LP family "W/WD" model drives receive DC
power through a 4 pin connector mounted on the PCB
in line with the SCSI I/O connector. See figure below.
J1
J1-Auxiliary
Pin Power
1P +12V
2P +12V ret
3P + 5V ret
4P + 5V
4P 3P 2P 1P
J1-DC Power
Connector
68 Pin SCSI I/O
Connector
Figure 1. DC power connection, 68 pin SCSI I/O
connector
Hawk 2LP "WC" and "DC" model drives receive power
from the host computer through the 80 pin combined
SCSII/Oandpowerconnector. NoseparateDCpower
connector is provided on the "WC" and "DC" drives
(See Figure 2b).
18
Hawk 2LP (Wide) Installation Guide, Rev. A
SCSI address selection
On "W" and "WD" model drives, make sure that the
SCSI bus address jumper(s) are properly set for the
bus address assigned to the drive. See Figures 3a and
3b showing the bus address select header and the
jumper configurations that select addresses 0 through
15. ID7 has the highest priority during bus arbitration
(on both 8 and 16 device systems). Bus arbitration
prioritydecreasestoID0, thenID15downtoID8. ID8is
the very lowest priority. Typically the primary boot
deviceissettoID0, thehostisID7andthesubsequent
SCSI drives are jumpered as appropriate for the par-
ticular system involved.
If the drive "Busy" LED shows no on/off activity when
the host is trying to communicate with it, an incorrect
bus address selection at the drive should be suspect-
ed.
On "WC" and "DC" model drives the SCSI ID can be
and presumably will be, set over the 80 pin interface by
the host computer. Unless directed to do so by the
systemdocumentation, nojumpersshouldbeinstalled
foraddressselection.On"WC"and"DC"modeldrives,
the host system also has complete control over motor
start functions, so no Motor Start or Delayed Motor
Start Jumpers should be installed.
Hawk 2LP (Wide) Installation Guide, Rev. A
19
Terminator resistor packs
As a factory installed option, Hawk 2LP family model
"W" drives can have terminator resistor packs that are
permanently installed, but can be enabled or disabled
by jumper plug. See jumper in Figure 3a. If you are
installing a single drive, the terminator resistor packs
mustremainenabled. Ifyouareinstallingmultiplehard
disc drives, disable the termination resistor packs from
all the drives but the one connected to the end of the
SCSI I/O cable.
Model numbers that end in "WD" and "DC" have
differential I/O circuits. These drives and "WC" model
drives have no provisions for terminators on the drive
PCB. The system manufacturer must provide some
external means of I/O line termination. The Hawk 2LP
family "W/WD" model drives can provide power for
external terminators if theTP jumper is installed on the
last position on the right end of J2. See Figure 3a.
Do not mix "W" and "WD" or "WC" and "DC" model
drives on the same I/O bus.
20
Hawk 2LP (Wide) Installation Guide, Rev. A
Read/Write head auto-park
Seagate disc drives described herein park the heads
automatically at power off. This feature requires no
operator intervention.
Optional parity bit enable
Some systems require parity bit checking. Consult the
system documentation for the specific requirements.
See Figure 3a for location of Parity Bit enable jumper.
Jumper-installed enables parity reporting by the SCSI
bus.
Write precompensation and reduced write
current
NotrequiredonSeagateSCSIInterfacedrivescovered
by this manual.
Hawk 2LP (Wide) Installation Guide, Rev. A
21
J1-DC Power
Pin 1P
J1-Auxiliary
Pin 1A
J1 Pin 1
J2
68 Pin
SCSI I/O
Connector
J6
Figure 2a. Hawk 2LP family W/WD models I/O
connection (68 pin SCSI I/O connector).
"W" model terminators (not visible) are not
removable.
80 Pin SCSI I/O
and Power
Connector
J2
Pin 1
J6
Figure 2b. Hawk 2LP family WC/DC model drive
physical interface (80 pin SCSI I/O and DC
power connector). Terminators are not
provided.
22
Hawk 2LP (Wide) Installation Guide, Rev. A
Drive configuration
Eachdiscdrivehasoptionselectheaderconnectorson
the back, side and front where jumper plugs are in-
stalled to select the way that the drive is to be config-
ured or to select its ID on the I/O bus. See "Initial setup
information" and see notes following Figure 3c. Some
hostsystemshavearemotedriveIDselectioncapabil-
ity.
"W/WD" family 68 pin SCSI I/O drives
On Hawk 2LP family "W/WD" drives either J6 (on the
front of the drive) or J1-auxiliary (at the rear, next to the
DC Power connector) may be used to set the drive ID.
To avoid possible incorrect ID setting, do not use both
J1-auxiliary and J6 for ID selection. The following
figures show where these headers are located on the
different drives covered by this manual. See notes
followingFigures3a,3band3cwhereexplanationsare
givenaboutthepurposeofeachjumperandspecifythe
standard factory (called "default") settings of these
jumpers (i.e., settings used for most common single
driveapplication).Changestothesesettingsshouldbe
made only if it is known that the system requires a
different configuration.
Hawk 2LP (Wide) Installation Guide, Rev. A
23
Hawk2LPfamily"WC"and"DC"model80pinSCSI
I/O drives
OnHawk2LPfamily"WC"and"DC"modeldrivesthere
isnoJ1-auxiliaryconnector.J6canbeusedtosetdrive
ID, but the host probably does it over the 80 pin
interface.J6canalsobeusedtodrivetheexternaldrive
activity LED indicator signal. The alternate use of J6 is
described in the notes following Figure 3c.
24
Hawk 2LP (Wide) Installation Guide, Rev. A
Pin 1
End
SCSI I/O
Connector
Drive with HDA up,
PCB down, viewed
from front
J6
Drive Front
Pin 1
HDA
J1-SCSI I/O
J1-Auxiliary
See
Figure
3b
J6 [1]
J1-DC Power
Connector
Reserved
A
A
A
A
3
2
1
0
J2
SCSI ID = 0
SCSI ID = 1
SCSI ID = 2
SCSI ID = 3
SCSI ID = 4
SCSI ID = 5
SCSI ID = 6
SCSI ID = 7
SCSI ID = 8
SCSI ID = 9
SCSI ID = 10
SCSI ID = 11
SCSI ID = 12
SCSI ID = 13
SCSI ID = 14
SCSI ID = 15
Pin 1
J2
[8]
Jumper
Positions
T
D
M
W
P
S
S
T
T
P
E
S
E
P
E
P
Enable
Terminator
[5]
Delay
Motor Start
Enable
Motor Start
Write Protect
Parity Option
[3]
Term. Power
from Drive
[5]
Term. Power
to SCSI Bus
[6]
[5]
Term. Power
from SCSI Bus
Position A
Shipped with cover installed.
Do not install jumpers; retain cover
Reserved
Pins
unless 20 pin plug is installed.
Host
[4]
11
9
7
5
3
1
Alternate
Usage Plug:
8
6
4
2
Optional connections to switching circuits
in host equipment to establish drive ID.
Pins 2, 4, 6 and 8 are driven low for
250 ms after PWR ON and reset to
+5V
Ground
allow jumper selectable SCSI ID.
[4]
Remote LED
[4] Dashed area is optional host circuitry (external to the drive)
connected to host supplied optional usage plug. Drive PCB
circuitry for Pin 8 includes a 150 Ω series resistor.
Do not connect anything to pins 13-20.
Figure 3a. Drive configurator Hawk 2LP family
W/WD model
Hawk 2LP (Wide) Installation Guide, Rev. A
25
68 Pin
SCSI I/O
Connector
Drive
HDA
J1-Auxiliary
Pin 1A
[3]
+5V
Ground
J1-DC Power
Pin 1
4P
3P 2P
1P
J1
PCB
SCSI ID = 0
SCSI ID = 1
SCSI ID = 2
SCSI ID = 3
SCSI ID = 4
SCSI ID = 5
SCSI ID = 6
SCSI ID = 7
[3]
SCSI ID = 8
SCSI ID = 9
SCSI ID = 10
SCSI ID = 11
SCSI ID = 12
SCSI ID = 13
SCSI ID = 14
SCSI ID = 15
A
A
A
A
1 0
3
2
11
9
7
5
3
1
Host Alternate
Usage Plug:
[4]
8
6
4
2
Optional connections to switching circuits in host
equipment to establish drive ID. Pins 2, 4, 6, and
8 are driven low for 250 ms after PWR ON and
reset to allow jumper selectable SCSI ID. [4]
+5V
Ground
Remote LED
[4] Dashed area is optional host circuitry (external to the drive)
connected to host supplied optional usage plug. Drive PCB
circuitry for Pin 8 includes a 150 Ω series resistor.
Figure 3b. Drive configurator Hawk 2LP family
W/WD models
26
Hawk 2LP (Wide) Installation Guide, Rev. A
Drive with HDA up,
PCB down, viewed from front
Pin 1
End
Pin 1
HDA
J6
Drive Front
J6
[1]
J1
+5V
Ground
Reserved
A
A
A A
1 0
3
2
J2
SCSI ID = 0
SCSI ID = 1
SCSI ID = 2
SCSI ID = 3
SCSI ID = 4
SCSI ID = 5
SCSI ID = 6
SCSI ID = 7
Pin 1
J2
Jumper
Positions
T
E
D
S
M
E
W
P
E
S
S
T
P
T
P
P
Delay
Motor Start
Enable
Motor Start
Write Protect
Parity Option
[7]
SCSI ID = 8
SCSI ID = 9
SCSI ID = 10
SCSI ID = 11
SCSI ID = 12
SCSI ID = 13
SCSI ID = 14
SCSI ID = 15
[8]
[8]
Shipped with cover installed.
Do not install jumpers; retain cover
unless 20 pin plug is installed.
Reserved
Pins
11
9
7
5
3
1
Host Alternate
Usage Plug:
[4]
8
6
4
2
Optional connections to switching circuits in host
equipment to establish drive ID. Pins 2, 4, 6 and
8 are driven low for 250 ms after PWR ON and
reset to allow jumper selectable SCSI ID.
+5V
Ground
Remote LED
[4] Dashed area is optional host circuitry (external to the drive)
connected to host supplied optional usage plug. Drive PCB
circuitry for Pin 8 includes a 150 Ω series resistor.
Do not connect anything to pins 13-20.
Figure 3c. Drive configurator for Hawk 2LP family
WC/DC models
Hawk 2LP (Wide) Installation Guide, Rev. A
27
Notes for Figure 3a, 3b and 3c:
[1] Notes explaining the functions of the various jump-
ers on jumper header connectors J2, J1-auxiliary
andJ6aregivenbelowinlefttorightorderofjumper
position. The term "default" means as standard
OEM units are configured when shipped from fac-
tory."Off"meansnojumperisinstalled;"On"means
a jumper is installed. Off or Onunderlinedis factory
default condition.
[2] The PCB on "WC" and "DC" models does not have
connector J1-auxiliary, but has a single 80 pin J1
connectorhavingcombinedSCSII/OandDCpower
connector instead of the 68 pin SCSI I/O, 12 pin
auxiliary, and 4 pin DC power connectors that "W"
and "WD" models have. Included among the 80 J1
pins are the SCSI ID, Motor Start and Delayed
Motor Start select functions, and the remote BUSY
LED signal. Do not use J2 and J6 for these four
functionsifthehostusestheonesincludedinthe80
pin J1 connector.
[3] Drive ID may be established by installing jumper
plugsinoneofthepatternsshowninFigures3aand
3borbypluggingontoJ6orJ1-auxiliaryacablethat
leads to an external ID selection circuit. Jumper
plugs on both J6 and J1 auxiliary, or J6 and an
external ID selection source should not be used.
See[4]forotherfunctionsofthesetwoheadersthat
are time-shared with the drive ID function.
28
Hawk 2LP (Wide) Installation Guide, Rev. A
[4] The drive time-shares the ID and BUSY LED func-
tions of J6 and J1-auxiliary. That is, a cable may be
attached to one of these headers to pick up the
signal that lights the external BUSY LED indicator.
If lines for external ID selection are not also in-
cluded in the cable, jumper plugs must be used on
theheadernothavingacableconnectedinorderto
establish drive ID. The drive reads the ID from J6
and J1-auxiliary for 250 ms after power-on or drive
reset, and then uses these headers for the LED
function the remainder of the time.
[5] "W" models only.
[6] "W/WD" models only.
[7] "WC/DC" models only. Use the ID signals from the
hostinJ1,orjumpersonJ6toestablishdriveID,but
not both.
[8] Not used on "WC/DC" models. Do not install jump-
ers.
J2
Jumper
Position Jumper Function Description
TE
(Applies to "W" models only)
On
Withthejumperinstalled,theOn-board(non-
removable) terminator circuits are enabled
(connectedtotheI/Olines).Defaultisjumper
installed.
Off
TerminatorcircuitsnotconnectedtoI/Olines.
Hawk 2LP (Wide) Installation Guide, Rev. A
29
continued from previous page
DS ME
Off Off Spindle starts immediately after power up -
Default setting.
Off On Drive spindle does not start until Start Unit
command received from host.
On Off SpindleStart-upisdelayedbySCSIIDtimes
12 seconds after power is applied, i.e., drive
0spindlestartsimmediatelywhenDCpower
connected, drive 1 starts after 12 second
delay, drive 2 starts after 24 second delay,
etc.
On On Drive spindle starts when Start Unit com-
mand received from host. Delayed start fea-
ture is overridden and does not apply when
ME jumper is installed.
WP
On
Off
Entire drive is write protected.
Driveisnotwriteprotected.Defaultis noWP
jumper installed.
PE
On
Parity checking and parity error reporting by
the drive is enabled. Default is PE jumper
installed.
Off
Drive does not report result of parity check-
ing to host.
30
Hawk 2LP (Wide) Installation Guide, Rev. A
continued from previous page
SS
Off On Reserved. Default is no jumper installed.
TP TP (Notapplicableto"WC/DC"modeldrives)
Off Off No terminator power is connected to drive
terminators or SCSI bus I/O pin 26.
On Off Drivesuppliesitsownterminatorpoweronly.
Jumper on this position is factory default.
Off On Drive supplies power to I/O pin 26 of SCSI
bus; none to internal terminators. When
drives have differential I/O circuits a jumper
on the right TP position may be needed to
powerexternalterminator(seesystemdocu-
mentation). The "WD" drive has differential
I/Ocircuitswhichhavenoterminatorcircuits
on the drive. The "WC/DC" Model drives
have no provisions for terminators on the
driveandnoprovisionsforterminatorpower
on the 80 pin I/O connector.
On On Drive supplies terminator power to itself (in-
ternal connection) and to I/O pin 26 of SCSI
bus. This is a legal jumper setting.
Off
TP Position A
On This horizontally positioned jumper across
See above explanations for TP jumpers.
the two TP positions nearest PCB edge,
connects terminator power from SCSI bus
Hawk 2LP (Wide) Installation Guide, Rev. A
31
continued from previous page
I/Opin26tothedrive'sinternaltermina-
tors (for single-ended I/O only).
See above explanations for TP jump
ers.
Off
J1-Auxiliary
Jumper
Jumper Function Description ("W"
Installation and "WD" models only)
A3,A2,A1,A0 DriveIDonSCSIBus(J1-auxiliaryorJ6
maybeused,astheIDcircuitsarewired
in parallel). The drive ID is binary coded
positionwise i.e. jumper in position A3 is
drive ID 8, A2 is drive ID 4, position A1 is
ID 2, position A0 is ID 1 and no jumpers
is ID 0. Default is ID = 0. Both J1-
auxiliary and J6 should not be used at
the same time, because at some future
time when the ID is changed the user
could fail to configure both J1-auxiliary
and J6 the same. "WC" and "DC" Mod-
els, do not have J1-auxiliary.
J6 Jumper Jumper Function Description ("W"
Installation and "WD" models only)
A3,A2,A1,A0 Drive ID on SCSI bus. Either J6 or J1-
Auxiliary (optional) may be used to
select drive ID. Both should not be used
at the same time, because at some
32
Hawk 2LP (Wide) Installation Guide, Rev. A
continued from previous page
future time when the ID is changed the
user could fail to configure both the
same. Default is ID = 0.
For"WC"and"DC"modelsrefertoNote
[7].
Models "W" and "WD" only
BUSY
LED
These pins used to connect a cable for a
remote BUSY LED indicator. J6 Pin 11
(top, nearest HDA), or J1-Aux Pin 11 the
anodeconnection,connectsinthedriveto
the +5V supply. J6 Pin 8 (bottom), or J1-
Aux Pin 8, the cathode connection, con-
nectsinthedrivetosignalcommonthrough
the emitter-collector junction of a transis-
torswitchand150ohmseriesresistorthat
controls the LED on/off condition.
Model "WC/DC" only
BUSY
LED
Time shared (see Note [4]) pins used to
connect a cable for a remote BUSY LED
indicator. Pin4(bottom), thecathodecon-
nection connects in the drive to GRD
through the emitter-collector junction of a
transistor switch and 150 ohm series re-
sistor that controls the LED on/off condi-
tion. LED signal in J1 may be used in-
stead. See Note [2].
Hawk 2LP (Wide) Installation Guide, Rev. A
33
Drive installation
This section describes the physical mounting of the
drive in the host cabinet and the logical installation as
a system member, which is called drive setup.
Disc drive mounting
Do not touch the connector pins or any PCB compo-
nents without observing static-discharge precautions.
Always handle the drive by the frame only.
The drive may be mounted in any orientation.
• See notes in Figures 4 and 5 pertaining to proper
drive installation.
• Verify that all connections between the drive and the
hostsystemarecorrectlyinstalled.Mostcableshave
acontrastingcolorstripeindicatingpin1.Pin1onthe
drive I/O connector and the DC power connector are
indicatedinthefiguresintheInitialSetupInformation
section.
• Verify option select, drive ID select jumpers and
terminatorenablejumperwhereapplicable.SeeDrive
Configuration section.
34
Hawk 2LP (Wide) Installation Guide, Rev. A
[4]
[3]
G
C
L
D
[1]
F
E
A
Notes:
[1] Mounting holes three on each side, 6-32
UNC. Max screw length into side of drive
0.15 in. (3.81 mm). Screw tightening torque
6.0 in-lb (.675 NM) max with minimum
thread engagement of 0.12 in. (3.05 mm).
B
[2] Mounting holes four on bottom, 6-32 UNC.
Max screw length into bottom of drive
0.20 in. (5.08 mm). Screw tightening torque
6.0 in-lb (.675 NM) max with minimum
thread engagement of 0.12 in. (3.05 mm).
J
[3] Power and interface connections can
extend past the "A" dimension by
0.040 in. (1.02 mm).
[2]
[4] Decorative front panel.
Inches
Millimeters
H
K
A
B
C
5.74
4.00
1.00
±
±
+
–
±
±
±
+
–
±
±
±
±
±
±
0.010 145.80 ± .25
0.010 101.60 ± .25
0.026
0.010
0.010
0.010
25.40 + .66
– .25
60.00 ± .25
15.75 ± .25
D
E
F
2.362
.620
4.000
.250
0.010 101.60 ± .25
G
0.010
0.005
0.010
0.010
0.010
0.010
6.35 + .25
– .12
44.45 ± .25
95.25 ± .25
60.20 ± .25
25.40 ± .25
H
J
K
L
M
N
P
1.750
3.750
2.370
1.00
4.000
0.19
P
N
0.010 101.60 ± .25
0.010
4.83 ± .25
0.381 max
M
[4]
0.015 max
Figure 4. Hawk 2LP family W/WD model drive mount-
ing dimensions (68 pin SCSI I/O connector)
Hawk 2LP (Wide) Installation Guide, Rev. A
35
[3]
G
C
D
[1]
F
E
A
Notes:
[1]
Mounting holes three on each side, 6-32
UNC. Max screw length into side of drive
0.15 in. (3.81 mm). Screw tightening
torque 6.0 in-lb (.675 NM) max with
minimum thread engagement of 0.12 in.
(3.05 mm).
L
[4]
B
Pin 1
[2]
Mounting holes four on bottom, 6-32 UNC.
Max screw length into bottom of drive
Connector Centerline
0.20 in. (5.08 mm). Screw tightening torque
6.0 in-lb (.675 NM) max with minimum
thread engagement of 0.12 in. (3.05 mm).
J
[3]
[4]
Power and interface connections can
extend past the "A" dimension by
0.040 in. (1.02 mm).
[2]
H
Connector is centered on drive within
±0.020 in. (.508 mm).
Inches
Millimeters
A
B
C
5.74 ± .010
4.00 ± .010
1.00 + .026
– .010
145.80 ± .25
101.60 ± .25
25.40 + .66
– .25
D
E
F
2.362 ± .010
.620 ± .010
4.000 ± .010
.250 + .010
– .005
60.00 ± .25
15.75 ± .25
101.60 ± .25
6.35 + .25
– .12
G
K
H
J
K
L
1.750 ± .010
3.750 ± .010
2.370 ± .010
0.181 + .018
– .013
44.45 ± .25
95.25 ± .25
60.20 ± .25
4.597 + .45
– .33
Figure 5. Hawk 2LP family WC and DC model mounting
configuration dimension (80 pin I/O connec-
tor)
36
Hawk 2LP (Wide) Installation Guide, Rev. A
Do not power up the host system until the drive is
mounted and the system cover is replaced.
• Connect DC power connector to the drive ("W/WD"
models only).
• Replace the Host System cover.
• Turn on DC power.
• Boot the system from the floppy drive or from a
previously installed hard-drive if there is one.
• Proceed with drive setup of the new hard drive.
Grounding
Signal ground (PCB) and HDA ground are connected
together in the Hawk 2LP wide drives and cannot be
separated by the user. The equipment in which the
drive is mounted is connected directly to the HDA and
PCB with no electrically isolating shock mounts. If it is
desired for the system chassis to not be connected to
the HDA/PCB ground, the systems integrator or user
must provide a nonconductive (electrically isolating)
method of mounting the drive in the host equipment.
Hawk 2LP (Wide) Installation Guide, Rev. A
37
SCSI interface drives
The SCSI interface handles both drive geometry and
defect management internally. The "no drive installed"
option is selected for systems with SCSI drives.
All SCSI interface drives are low-level formatted at the
factory. You may wish to low-level format the drive to
optimize its performance for your system. Consult the
controller documentation for information on low-level
formatting. Partitioning and high-level formatting can
be done through DOS by way of the FDISK utility for
partitioning, and FORMAT for high-level formatting.
Consult your DOS manual for FORMAT and FDISK
command options.
Seagate Technology, Inc.
920 Disc Drive, Scotts Valley, CA. 95066-4544, USA
Publication Number: 77767478, Rev. A
Printed in USA
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