User’s Manual
Elite Disc Drive ST43401N/ND ST43402ND
Preface
Contents
Installation
Maintenance
Electrostatic discharge protection
Preface
Important safety information and precautions
ST43401N/ND and ST43402ND User’s Manual, Rev. B
Wichtige Sicherheitshinweise
ST43401N/ND, ST43402ND User’s Manual, Rev. B
ST43401N/ND, ST43402ND User’s Manual, Rev. B
viii
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Technical support services
SeaFAX USA 408 438-2620 England
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Telephone
Location
number
Figure 1. ST43401N/ND disc drives
Section 1. General description
Figure 2. The ST43402ND disc drive
ST43401N/ND, ST43402ND User’s Manual, Rev. B
Conditions
Table 1. Drive specifications
Characteristics
Specifications
Characteristics
Write
Read
msec
Page
Controller
Figure 3. Drive functional block diagram
Unit
SCSI
Environmental requirements
Section 2. Installation/Abschnitt 2. Installation
Site requirements
Voraussetzungen am Aufstellungsort
Conditions
Specifications
ST43401N/ND, ST43402ND User’s Manual, Rev. B
Table 2. Environmental requirements
Technische Daten
ST43401N/ND, ST43402ND User’s Manual, Rev. B
Tabelle 2. Umgebungsbedingungen des Laufwerkes
Bedingungen
Air-flow requirements
in reverse direction side to side
Above unit Under unit
Above unit
Note. Air flows in the direction shown or
Räumliche Anforderungen
Space requirements
Up Up Up
Figure 5. Mounting orientations Montageorientierungen
149.35 mm
Figure 6. Dimensions of the drive Laufwerkabmessungen
82.55 mm 3.25 in
203.20 mm
Current with Internal
Power requirements
Table 3. Single drive voltage and current requirements
Current without Internal
ST43401N/ND, ST43402ND User’s Manual, Rev. B
Grounding requirements
Interface requirements
Figure 7. SCSI bus configuration
ST43401N/ND, ST43402ND User’s Manual, Rev. B
Even pin
Signal name
Signal name
Table 4. Unshielded single-ended I/O cabling P cable
Even pin
Signal name
Signal name
Table 5. Unshielded differential I/O cabling P cable
Even pin
Signal name
Signal name
ST43401N/ND, ST43402ND User’s Manual, Rev. B
Repacking
Unpacking, inspection, and repacking
Unpacking
Inspection
Setting the control board jumpers
Installation procedures
Spindle
Sync Pins
Figure 8. ST43401N/ND control board jumpers
= Non-applicable jumper not relevant to the option discussed
= Jumper connected = Jumper not connected
Figure 9. ST43402ND control board jumpers
Figure 10. ST43402ND I/O board J09 jumpers
SCSI ID = A
Ground this pin to manually reset the SCSI board
Figure 11. ST43402ND I/O board J10 jumpers
Used only if the PSS pin jumper is not connected
Figure 12. ST43402ND I/O board J01 and J03 jumpers
Terminator Power J01A is for
Internal terminator power to I/O
A & B
Installing a power supply
Setting the voltage range
Mounting the power supply
Figure 13. Attaching a bezel ST43401N/ND shown
Attaching an optional bezel
Mounting the drive
Figure 14. Mounting the drive ST43401N/ND shown
Connecting the system I/O cabling
ST43401N/ND drives
Figure 15. ST43401N/ND I/O cable attachment
Figure 16. ST43402ND I/O cable attachment
ST43402ND drives
Figure 17. ST43401N terminator attachment-single-ended I/O
Mounting Holes in Control Board Terminator Power Source Jumper
Terminator TerminatorResistor-Pak
Resistor-Paks note orientation part number 96752447 Pin
Figure 18. ST43401ND terminator attachment-differential I/O
Terminator Resistor-Paks part number 70906701 Terminator Power
Source Jumper
Terminator Resistor-Pak note orientation Terminator Socket Pin
Grounding the system
Synchronizing the spindle
Figure 19. System diagram for spindle sync
Figure 20. Making ST43401N/ND spindle sync connections
Cable from Preceding Unit A B Cable to Next Unit Control Board
Slave Select
Figure 21. Making ST43402ND spindle sync connections
ST43401N/ND, ST43402ND User’s Manual, Rev. B
Verification
Page
Section 3. Operation
LED indicators
Figure 22. LEDs on ST43401N/ND drives
ST43401N/ND, ST43402ND User’s Manual, Rev. B
LED indicator
Function
Table 6. LED functions for ST43401N/ND drives
Figure 23. LEDs on ST43402ND drives
Board Port A Enabled LED green Port B Active LED red
Port B Enabled LED green
Socket for Active LED red Heartbeat LED green Ready LED green Control
LED indicator
Function
Table 7. LED functions for ST43402ND drives
This LED is off when port B does not have a SCSI
LED or indicator
Operating instructions
This LED is on when port B is actively executing a
Section 4. Parts data
Table 8. Options and accessories Part number Description
Observing maintenance precautions
Section 5. Maintenance
Arranging for depot repair
Removing and replacing a drive
Packing a drive for shipment
Page
Seagate Technology, Inc
920 Disc Drive, Scotts Valley, CA 95066-4544, USA
Publication Number 83327720, Rev. B, Printed in USA
