Manuale d’uso / di manutenzione del prodotto ST43402ND del fabbricante Seagate
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Elite Disc Drive ST43401N/ND ST43402ND User ’ s Manual.
© 1994 Seagate Technology, Inc. All rights reserved Publication number: 83327720, Rev. B December 1994 Seagate ® , Seagate Technology ® , and the Seagate logo are registered trademarks of Seagate Technology, Inc. Elite™, SeaFAX™, SeaFONE™, SeaTDD™, and SeaBOARD™ are trademarks of Seagate Technology, Inc.
ST43401N/ND, ST43402ND User’s Manual, Rev. B iii Preface This manual contains information for users of Seagate ® ST43401N/ND and ST43402ND Elite™ disc drives. It provides instructions to all personnel who operate the drive and to customer engineers who install and check out the drive.
iv ST43401N/ND, ST43402ND User’s Manual, Rev. B Important safety information and precautions Caution. Use forced-air ventilation when bench-testing the drive to ensure proper cooling of drive components. Use proper safety and repair techniques for safe, reliable operation of this unit.
ST43401N/ND and ST43402ND User’s Manual, Rev. B v • Do not remove any circuit boards from the drive chassis. 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 warranty.
vi ST43401N/ND, ST43402ND User’s Manual, Rev. B Wichtige Sicherheitshinweise Vorsicht. Beim Testen des Laufwerks auf dem Prüftisch ist Fremdbelüftung vorzusehen, um eine ausreichende Kühlung der Laufwerkkomponenten sicherzustellen.
ST43401N/ND, ST43402ND User’s Manual, Rev. B vii • 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.
viii ST43401N/ND, ST43402ND User’s Manual, Rev. B Dieses Gerät ist eine Baugruppe und unterliegt als solche nicht den Anforderungen der FCC oder ähnlicher nationaler Behörden für eigenständige.
ST43401N/ND, ST43402ND User’s Manual, Rev. B ix Technical support services Seagate Technology provides technical support literature and diagnostic utilities to authorized distributors. Please contact your dealer for technical support and installation troubleshooting.
x ST43401N/ND, ST43402ND User’s Manual, Rev. B Telephone Location number USA, Mexico, Latin America (408) 438-8771 England 44-62-847-8011 Germany 49-89-140-9331 Singapore 65-292-6973 Australia 61-2-.
Control Board Power Board Optional Bezel Chassis DC Power Connector Option Jumpers and Spindle Sync Connector Option Jumpers I/O Connector Option Jumpers Option Jumpers Head and Disc Assembly (HDA) Pin 1 ST43401N/ND, ST43402ND User’s Manual, Rev.
2 ST43401N/ND, ST43402ND User’s Manual, Rev. B Control Board Chassis Head and Disc Assembly (HDA) Power Board DC Power Connector Option Jumpers Pin 1 I/O Board Optional Bezel Sp.
ST43401N/ND, ST43402ND User’s Manual, Rev. B 3 Table 1. Drive specifications Characteristics Conditions Specifications Size Dimensions See “Space requirements” in Section 2 Weight (drive only) 3.
4 ST43401N/ND, ST43402ND User’s Manual, Rev. B continued from previous page Characteristics Conditions Specifications SCSI transfer rate, burst 20.0 Mbytes/sec max Seek time (time required Typical full 23.5 msec to move heads to a different Typical average 11.
ST43401N/ND, ST43402ND User’s Manual, Rev. B 5 The drive contains all the circuits and mechanical devices necessary to record data on and recover it from its discs. The drive requires DC voltage inputs from an external power supply, which you must supply.
6 ST43401N/ND, ST43402ND User’s Manual, Rev. B When the drive is not powered on, the heads rest on the disc surface in a preassigned landing zone beyond the data zone. The actuator automatically latches in this position at shutdown for moving or shipping protection.
ST43401N/ND, ST43402ND User’s Manual, Rev. B 7 Section 2. Installation/Abschnitt 2. Installation The information contained in this section describes installation and initial checkout of the drive. Site requirements The site requirements considered are environment, airflow, space, power, grounding, and interface.
8 ST43401N/ND, ST43402ND User’s Manual, Rev. B Table 2. Environmental requirements Conditions Specifications Operating environment Temperature Range of 5°C to 50°C (41°F to 122°F) with a maximum.
ST43401N/ND, ST43402ND User’s Manual, Rev. B 9 Tabelle 2. Umgebungsbedingungen des Laufwerkes Bedingungen Technische Daten Betriebsumgebung Temperatur 5°C bis 50°C mit einer maximalen Schwankung von 20°C pro Stunde Relative Luftfeuchtigkeit 5% bis 95% Maximale Naßthermometertemperatur von 26°C Luftdruck – 305 m bis 3.
10 ST43401N/ND, ST43402ND User’s Manual, Rev. B Air-flow requirements The enclosure design must ensure adequate cooling for the drive. Note that the fan in the power supply cools only the power supply’s internal parts. The drive’s product specification (document 64403603) describes how to evaluate the air-flow design.
ST43401N/ND, ST43402ND User’s Manual, Rev. B 11 Above unit Under unit Note. Air flows in the direction shown (front to back) or in reverse direction (back to front) Above unit Under unit Note. Air flows in the direction shown or in reverse direction (side to side) Figure 4.
12 ST43401N/ND, ST43402ND User’s Manual, Rev. B Space requirements The drive is designed to be mounted in one of the three orientations shown in Figure 5. The drive may be mounted on its base or on either side. The physical dimensions of the drive are shown in Figure 6.
ST43401N/ND, ST43402ND User’s Manual, Rev. B 13 Up Up Up Figure 5. Mounting orientations/ Montageorientierungen.
14 ST43401N/ND, ST43402ND User’s Manual, Rev. B 203.20 mm 8.00 in max 82.55 mm 3.25 in 149.35 mm 5.88 in Figure 6. Dimensions of the drive/ Laufwerkabmessungen.
ST43401N/ND, ST43402ND User’s Manual, Rev. B 15 Power requirements The voltage and current requirements for a single drive at cylinder 0 are shown in Table 3.
16 ST43401N/ND, ST43402ND User’s Manual, Rev. B continued from previous page Without Internal With Internal Terminator Terminator Maximum Current Limits +5V 5,7 +12V 5,7 +5V 5,7 +12V 5,7 Amps Amps Regulation ± 5% 3,4,8,9 SCSI single-ended interface (ST43401N) Maximum operating current 1,2,6 1.
ST43401N/ND, ST43402ND User’s Manual, Rev. B 17 Grounding requirements A safety ground must be provided by the site AC power system. The green wire (or green wire with yellow stripe) in the AC power cord provides the safety ground connection between the power supply and the site AC power system.
18 ST43401N/ND, ST43402ND User’s Manual, Rev. B A connector (J6) at the back of the drive accepts the I/O cable that connects it to the system. The daisy-chain cable is a continuous unshielded cable having one connector for each drive it connects to.
ST43401N/ND, ST43402ND User’s Manual, Rev. B 19 Table 4. Unshielded single-ended I/O cabling (P cable) Even pin Odd in Signal name numbers Signal name numbers DB– (12) 2 GROUND 1 DB– (13) 4 GROU.
Table 5. Unshielded differential I/O cabling (P cable) Even pin Odd pin Signal name numbers Signal name numbers DB– (12) 2 DB (12) 1 DB– (13) 4 DB (13) 3 DB– (14) 6 DB (14) 5 DB– (15) 8 DB (15.
ST43401N/ND, ST43402ND User’s Manual, Rev. B 21 continued from previous page Even pin Odd pin Signal name numbers Signal name numbers GROUND 60 GROUND 59 DB– (8) 62 DB (8) 61 DB– (9) 64 DB (9) 63 DB– (10) 66 DB (10) 65 DB– (11) 68 DB (11) 67 Notes: 1.
22 ST43401N/ND, ST43402ND User’s Manual, Rev. B Unpacking, inspection, and repacking After removing the packing material, inspect the drive for shipping damage. Save all packing materials for future use. The drive is shipped separately from any other items ordered for the installation.
ST43401N/ND, ST43402ND User’s Manual, Rev. B 23 Installation procedures With the site requirements completed, the enclosure designed, and the drive unpacked you are ready to begin the installation.
24 ST43401N/ND, ST43402ND User’s Manual, Rev. B Figure 8. ST43401N/ND control board jumpers Pin 1 Pin 1 Pin 1 Terminator Resistor-Paks (3) (must be installed if drive is at either end of the daisychain) 1 2 3 4 Terminator Power Source Jumper Assign the terminal power jumpers as shown below.
ST43401N/ND, ST43402ND User’s Manual, Rev. B 25 Not used Not used Not used Write Protect/Enable (WRT) Slave Select (SLV) J4A Write Protect/Enable (WRT) N/A N/A N/A WRT Write protect (dis.
26 ST43401N/ND, ST43402ND User’s Manual, Rev. B Port A SCSI ID Port A SCSI ID = 0 GND A3 A1 A2 A0 SBS B3 B1 B2 B0 Port A SCSI ID = 1 Port A SCSI ID = 2 Port A SCSI ID = 3 Port A SCSI ID = 4 Port A S.
ST43401N/ND, ST43402ND User’s Manual, Rev. B 27 Manual Reset (MR) RL SDO L6 FL Ground this pin to manually reset the SCSI board. Remove ground after reset.
28 ST43401N/ND, ST43402ND User’s Manual, Rev. B Enable/Disable Port A Enable Port A Disable Port A Enable/Disable Port B Enable Port B Disable Port B Enable Port A and Port B Simultaneously Use jumpers to connect the four pins as illustrated.
ST43401N/ND, ST43402ND User’s Manual, Rev. B 29 Installing a power supply A power supply is required to provide current to the disc drive. Several vendors offer power supplies that meet the disc drive’s power requirements. Ensure that the power supply you select meets these requirements as specified in Table 3.
30 ST43401N/ND, ST43402ND User’s Manual, Rev. B Attaching an optional bezel Use the following procedure to attach an optional bezel to the drive. The bezel is available as an accessory (see Section 4). 1. Remove the backing from the double-sticky tape attached to the rear surface of the bezel.
ST43401N/ND, ST43402ND User’s Manual, Rev. B 31 Mounting the drive Caution. When installing the drive, observe all precautions listed under “Electrostatic discharge protection” in the preface. Failure to ob- serve these precautions can result in serious damage to electronic assemblies.
32 ST43401N/ND, ST43402ND User’s Manual, Rev. B 6-32 Bottom-Mounting Screws (4) DC Power Connector J15 Pin 1 DC Power Cable M4 x .70 (metric) M4 x .
ST43401N/ND, ST43402ND User’s Manual, Rev. B 33 Connecting the system I/O cabling Make sure the site has been prepared in accordance with the site require- ments information provided earlier in this section.
34 ST43401N/ND, ST43402ND User’s Manual, Rev. B ST43402ND drives ST43402ND drives have two I/O connectors as shown in Figure 16. Both of these I/O connectors (one for Port A and the other for Port B) are located on the I/O board. Figure 16 shows how typical I/O cables connect to the I/O board.
ST43401N/ND, ST43402ND User’s Manual, Rev. B 35 Figure 17 shows how the terminator resistor-paks are attached on ST43401N drives (single-ended I/O). The terminator resistor-paks, which are single inline packages, mount in the rows of holes located in the control board.
36 ST43401N/ND, ST43402ND User’s Manual, Rev. B Figure 18 shows how the terminator resistor-paks are attached on ST43401ND drives (differential I/O). These terminator resistor-paks, which are dual inline packages, mount in sockets in the control board.
ST43401N/ND, ST43402ND User’s Manual, Rev. B 37 Grounding the system Grounding the system through the power cables and I/O cables is usually sufficient to protect against noise and emissions. Synchronizing the spindle The spindle sync feature makes it possible to synchronize the spindle rotation of a group of disc drives.
38 ST43401N/ND, ST43402ND User’s Manual, Rev. B To enable the feature, it is necessary to run an additional daisy-chain cable from drive to drive and to make a master/slave selection for each drive. Connector J7 is used by ST43401N/ND drives. Connector J5 on the control board handles the cable connections on ST43402ND drives.
ST43401N/ND, ST43402ND User’s Manual, Rev. B 39 Pin 1 B J5 J4A A Cable from Preceding Unit Cable to Next Unit Control Board Select Plug (removed = master) Slave Select Figure 21.
40 ST43401N/ND, ST43402ND User’s Manual, Rev. B For each drive in the middle of the daisy chain, the cable from the preceding unit connects to one row of pins in (row A or row B), and the cable to the next unit connects to the other row of pins.
ST43401N/ND, ST43402ND User’s Manual, Rev. B 41 Verification After installing the drive, follow the sequence outlined below for initial startup. 1 . Place the on/standby switch in the on ( l ) position. What follows depends on the setting of the Start Command option and the Spinup Delay option jumpers.
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ST43401N/ND, ST43402ND User’s Manual, Rev. B 43 Section 3. Operation This section provides the information and instructions to operate the drive. It is arranged as follows: • LED indicators—locates and describes the switches and indicators used for normal drive operation.
44 ST43401N/ND, ST43402ND User’s Manual, Rev. B Socket for Active LED (red) Heartbeat LED (green) Active LED (on optional bezel) Ready LED (green) Control Board Figure 22.
ST43401N/ND, ST43402ND User’s Manual, Rev. B 45 Table 6. LED functions for ST43401N/ND drives LED indicator Function Drive control board Ready LED This LED flashes during the power-on sequence until (green) the discs are up to speed and the heads are loaded.
46 ST43401N/ND, ST43402ND User’s Manual, Rev. B Control Board Optional Bezel Socket for Active LED (red) Heartbeat LED (green) Ready LED (green) Port A Enabled LED (green) Port B Active LED (red) Port B Enabled LED (green) Figure 23.
ST43401N/ND, ST43402ND User’s Manual, Rev. B 47 Table 7. LED functions for ST43402ND drives LED indicator Function Drive control board Ready LED This LED flashes during the power-on sequence until (green) the discs are up to speed and the heads are loaded.
48 ST43401N/ND, ST43402ND User’s Manual, Rev. B continued from previous page LED or indicator Function SCSI I/O board SCSI port A enabled This LED is on steady when port A is enabled to (green) receive SCSI commands and to transfer data on this port.
ST43401N/ND, ST43402ND User’s Manual, Rev. B 49 Section 4. Parts data This section lists part numbers of options and accessories that can be used in a drive installation. Because the drive is depot repairable, there are no field- replaceable parts. If the drive requires maintenance, refer to the instructions in Section 5.
50 ST43401N/ND, ST43402ND User’s Manual, Rev. B Table 8. Options and accessories Part number Description 12263496 Static ground wrist strap, 6 1/2 to 8-inch wrist ** I/O cables (unshielded) ** Exter.
ST43401N/ND, ST43402ND User’s Manual, Rev. B 51 Section 5. Maintenance This section contains the following maintenance information: • Observing maintenance precautions • Arranging for depot repa.
52 ST43401N/ND, ST43402ND User’s Manual, Rev. B Arranging for depot repair Before returning any units to Seagate, it is necessary to obtain a returned material authorization (RMA) number. To get the number, you will need to know the part number and serial number of the unit.
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Seagate Technology, Inc. 920 Disc Drive, Scotts Valley, CA 95066-4544, USA Publication Number: 83327720, Rev. B, Printed in USA.
Un punto importante, dopo l’acquisto del dispositivo (o anche prima di acquisto) è quello di leggere il manuale. Dobbiamo farlo per diversi motivi semplici:
Se non hai ancora comprato il Seagate ST43402ND è un buon momento per familiarizzare con i dati di base del prodotto. Prime consultare le pagine iniziali del manuale d’uso, che si trova al di sopra. Dovresti trovare lì i dati tecnici più importanti del Seagate ST43402ND - in questo modo è possibile verificare se l’apparecchio soddisfa le tue esigenze. Esplorando le pagine segenti del manuali d’uso Seagate ST43402ND imparerai tutte le caratteristiche del prodotto e le informazioni sul suo funzionamento. Le informazioni sul Seagate ST43402ND ti aiuteranno sicuramente a prendere una decisione relativa all’acquisto.
In una situazione in cui hai già il Seagate ST43402ND, ma non hai ancora letto il manuale d’uso, dovresti farlo per le ragioni sopra descritte. Saprai quindi se hai correttamente usato le funzioni disponibili, e se hai commesso errori che possono ridurre la durata di vita del Seagate ST43402ND.
Tuttavia, uno dei ruoli più importanti per l’utente svolti dal manuale d’uso è quello di aiutare a risolvere i problemi con il Seagate ST43402ND. Quasi sempre, ci troverai Troubleshooting, cioè i guasti più frequenti e malfunzionamenti del dispositivo Seagate ST43402ND insieme con le istruzioni su come risolverli. Anche se non si riesci a risolvere il problema, il manuale d’uso ti mostrerà il percorso di ulteriori procedimenti – il contatto con il centro servizio clienti o il servizio più vicino.
