SEAGATE ST423451N/W/WD - Manuals

4 Elite 23 Installation Guide, Rev. A through the Seagate Safety Department to assist the subsystemdesigner. Wichtige Sicherheitshinweise Vorsicht. Beim Testen des Laufwerks auf dem Prüftisch istFremdbelüftung vorzusehen, um eine ausreichende Kühlung derLaufwerkkomponenten sicherzustellen. Verwenden...

6 Elite 23 Installation Guide, Rev. A digen hat eine Beschädigung der Komponenten undErlöschen des Garantieanspruchs zur Folge. Als Teilkomponente ist dieses Laufwerk für die Installation undden Betrieb in Übereinstimmung mit UL 1950, EN60950, CSAC22.2 950-M89 und VDE0805 vorgesehen. S e a g a t e i...

8 Elite 23 Installation Guide, Rev. A Technical support services If you need assistance installing your drive, consult your dealer.Dealers are familiar with their unique system configurations andcan help you with system conflicts and other technical issues. Ifyou need additional assistance with your...

Elite 23 Installation Guide, Rev. A 9 SeaBOARDSeaBOARD is a computer bulletin board system that containsinformation about Seagate Technology disc and tape drive prod-ucts and is available 24 hours daily. Set your communicationssoftware to eight data bits, no parity, and one stop bit (8-N-1).SeaBOARD...

10 Elite 23 Installation Guide, Rev. A Seagate Technology FAX services SeaFAXYou can use a touch-tone telephone to access Seagate’s auto-mated FAX system to receive technical support information byreturn FAX. This service is available 24 hours daily. Seagate technical support FAXYou can FAX question...

12 Elite 23 Installation Guide, Rev. A General description Elite 23 SCSI disc drives are high-speed, random-access digital-data storage devices. T h e d ri v e i s a c o m p o n e n t f o r i n s t a l l a ti o n i n a n e n c l o s u redesigned for the drive. This is often a rack within the system ...

Elite 23 Installation Guide, Rev. A 13 Table 1: Drive characteristics Interface UltraSCSI 1 Capacity Unformatted 29.6 Gbytes Formatted 2 23.4 Gbytes Recording Cylinders (user) 6,880 Read/write data heads 28 Servo heads Embedded Seek time (typical) 3 Average read 13.2 msec Average write 14.2 msec Dis...

Elite 23 Installation Guide, Rev. A 15 6 At power-up, the motor current regulator limits the +12V cur-rent to an average value of less than 4.8A, although instanta-neous peaks may exceed this value. These peaks shouldmeasure 5 msec duration or less. 7 Minimum current loading for each supply voltage ...

16 Elite 23 Installation Guide, Rev. A Initial setup information The general information beginning on this page applies to all ofthe Elite 23 drive models. After reading the general informationtopics, refer to the appropriate drive-specific section listed belowfor additional information about config...

Elite 23 Installation Guide, Rev. A 17 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 hasthe highest priority interrupt in the SCSI I/O system. This isalways ID7. ID0 is lowest priority in an 8-bit I/O system. ID8 i...

18 Elite 23 Installation Guide, Rev. A the case, change the ID so that each device on the SCSI chainhas its own unique ID. Also check your system or controlleruser’s manual to ensure that you have not violated its SCSI IDnumbering recommendations. Drive termination If you are installing a Elite 23 d...

Elite 23 Installation Guide, Rev. A 19 For information about how to terminate your drive, refer to theappropriate drive-specific section. Figure 2. SCSI bus termination Terminator power You usually will not need to change this option and can normallyleave the drive configured as it was shipped from ...

20 Elite 23 Installation Guide, Rev. A Figures 3a, 3b, 3c, and 3d show typical drive connections. Thefollowing table lists the maximum cable lengths and number ofdevices with single-ended I/O circuits allowed on a daisy-chaincable for 5 and 20 Mbytes/sec I/O data transfer rates. 1 See system documen...

Elite 23 Installation Guide, Rev. A 21 Figure 3a. Fifty-pin I/O connection to drive Figure 3b. Sixty-eight pin connection to drive

22 Elite 23 Installation Guide, Rev. A Figure 3c. Multiple drive connection to host adapter Host Adapter PCB Pin 1 (check your adapter for Pin 1 location) “N” Model Drive SCSI ID 1 *SCSI ID X (or last drive) *“X” means up to ID6 or the maximum allowable number of devices on the SCSI bus. See Table 1...

Elite 23 Installation Guide, Rev. A 23 Figure 3d. Multiple-drive connection to host adapter Host Adapter PCB Pin 1 (check your adapter for Pin 1 location) “W” Model Drive “WD” Model Drive SCSI ID 1 *SCSI ID X (or last drive) *“X” means up to ID15 or the maximum allowable number of devices on the SCS...

24 Elite 23 Installation Guide, Rev. A Providing adequate cooling The enclosure design must ensure adequate cooling for thedrive. The maximum ambient temperature is 50 ° C. The drive’s product manual (83329140) describes how to evalu-ate the air-flow design. The evaluation consists of ensuring thatt...

Elite 23 Installation Guide, Rev. A 25 Kühlung des Systems Die Gehäusekonstruktion muß eine ausreichende Kühlung desL aufw erk es g ew ährl e i sten . Di e U m ge bun gste mp era tur da rfmaximal 50 ° C betragen. Die Produkthandbuch Elite 23 (Dokument 83329140) enthaltenAnwei sungen zur Beurteilung ...

Elite 23 Installation Guide, Rev. A 27 Mounting the drive and connecting cables Do not touch the connector pins or any components on the con-trol board without observing static-discharge precautions.Always handle the drive by the frame only. The drive may be mounted in any orientation (horizontally,...

Elite 23 Installation Guide, Rev. A 29 defined in IEC 950. Figure 5 provides the pin information forthe DC power connector. To connect the DC power cable tothe drive, simply insert the cable end into the drive’s DCpower connector. 4. Schließen Sie das SCSI-Kabel an den SCSI-Steckverbinderd es L aufw...

30 Elite 23 Installation Guide, Rev. A Note. Signal ground on the printed circuit board assembly (PCB) and the head and disc assembly (HDA) are con-nected together in this drive and you cannot separatethem. Ensure the equipment in which you have mountedthe drive is connected directly to the HDA. Max...

Elite 23 Installation Guide, Rev. A 31 elektromagnetische Strahlung fällt in den Zuständigkeits-bereich des Systemdesigners. 5. Replace the host system’s cover. 5. Setzen Sie das Gehäuseoberteil des Host-Systems wiederauf.

32 Elite 23 Installation Guide, Rev. A Figure 6. Mounting configuration dimensions L J K H G F A E [2] D B C [4] [1] [3] Inches Millimeters 8.0005.7502.8752.9503.1200.8605.5000.1253.1202.9503.240 203.20 145.05 73.02 54.93 79.25 21.84 139.70 2.17 79.24 74.93 82.30 ABCDEF GH J K L 0.0100.0100.0100.020...

Elite 23 Installation Guide, Rev. A 33 Formatting the drive Warning. Formatting a drive erases all user data. Be sure that you understand this principle before formatting anyhard disc drive. It is not necessary to format a drivethat previously has been used to store data, unlessyour intention is to ...

34 Elite 23 Installation Guide, Rev. A N drives N/ND drives section Setting the SCSI ID jumpers Use the J4A connector to set the SCSI ID (see Figure 7) onmodel ST423451N. To change the SCSI ID, install jumpers onthe appropriate pins as shown in the illustration. Figure 7. Setting the SCSI ID on N mo...

Elite 23 Installation Guide, Rev. A 35 N drives Terminating the drive ST423451N drives are terminated with permanently mounted ICactive terminators. If you install one of these drives and it is noton the end of the SCSI bus, disable the terminators by removingthe TE jumper from pins 19 and 20 of con...

36 Elite 23 Installation Guide, Rev. A N drives Terminator power There are three possible terminator power configurations forST423451N drives (see Figure 9). You will not normally need tochange this option and can leave the drive configured as it wasshipped from the factory. Figure 9. Setting termin...

Elite 23 Installation Guide, Rev. A 37 N drives Other applicable jumper options Several other jumper options are available as illustrated in Fig-ure 10. Figure 10. Additional jumper options Immediate spinup (if the Start Command option jumper is disconnected)Spinup delay equal to the SCSI Bus IDmult...

38 Elite 23 Installation Guide, Rev. A W/WD drives W/WD drives section Setting the SCSI ID jumpers Use the J4A jumper block to set the SCSI ID (Figure 11) on mod-els ST423451W/WD. To change the SCSI ID, install jumpers onthe appropriate pins as shown in the illustration. Figure 11. Setting the SCSI ...

Elite 23 Installation Guide, Rev. A 41 W/WD drives Other applicable jumper options Other option jumpers are available as illustrated below. Figure 14. Additional jumper options Immediate spinup (if the Start Command option jumper is disconnected)Spinup delay equal to the SCSI Bus IDmultiplied by 12 ...

42 Elite 23 Installation Guide, Rev. A All drives Active, Ready, and Fault indicators The Active, Ready, and Fault LED indicator connections areshown below. Figure 15. LED indicator connections for all drive models J4A Reserved Active LED Connector Fault/Ready LED Connector Terminator Enabled (TE) A...