Seagate ST423451N/W/WD manuale d’uso

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Con tents Prefac e . .. ....... . .... ....... . .... ....... . .. . ... . .. . . . .. . . . .. . ... . .. . . . .. . . . .. . ... ........ . ... . 1 Electr ostatic discharge protection ................... ............................. 1 Imp ortant safety informatio n and p re cautions . ............................. 2 Wi c h t ige Sicherheit shi n[...]

Elite 23 Install ation Guide, Rev. A 1 Preface This manual contains infor mation for u s er s of the Seaga te® ST4234 51 Elite 2 3 SCSI disc drives. It pr ovid es s u pport ser- vices, perfor mance specific a t ions, and initial setup inform ation. Additional in f ormati on is av ailable in the Elite 23 Product Manual (part number 83 329140). Cont[...]

2 El ite 23 Installation Guide, Rev. A • Turn off the power before removing or installi n g the DC power cable. • Do not remove any circuit boards f rom t he drive. • Never use an ohmmeter on any cir cuit boards. • When i n s t alling th e drive on a carr ier or t ray, di scharge the carrier or tray prior to insert ing it i nto the system. [...]

Elite 23 Install ation Guide, Rev. A 3 • Follow the precautions l isted ab ove i n “Electr ostatic disch ar ge prot ection.” • Do not remove any circuit boards from the drive. Retur n the entire dri ve for depot repair if any cir cuit bo a r d is defective. Removal of ci rcuit boards by personnel not performing depot re pai r will damage co[...]

4 El ite 23 Installation Guide, Rev. A throu gh the Seag ate Safety Depart ment to a ssist t h e subsystem designe r. W ichtig e S icher hei tshinw eis e Vorsicht. Beim Testen des Laufwerk s auf d e m Prüftis ch ist Fremdbelüftung vorzuseh en, um eine ausreiche nde Kühlun g der Laufwerkkompon enten si cherzustellen. Verw e nden Sie geeignete Sic[...]

Elite 23 Install ation Guide, Rev. A 5 • Beach ten Sie alle Warn- und Vorsic h t shinweise in d i esem Handbu ch. • Treffen Si e beim Bet rieb, bei der Install ation oder b ei der Entfernung der Ei n h ei t angemessene Sicherheitsvorkehrun- gen. • Wenn eine Einheit unter Spann ung steht, gehen Sie bei der Fehlerdiagnose besonders vorsichtig v[...]

6 El ite 23 Installation Guide, Rev. A digen hat eine Beschädigung de r Komponenten un d Erlöschen des Garantieanspruchs zur Folge. Als Te i l komponente ist dieses Lauf werk für die Inst allation und den Betr ieb in Über einstimmung mit UL 1 950 , EN60950, C S A C22.2 950-M89 u nd VDE0 805 vorgeseh en. Seagate ist st ändig bem üht , die Zula[...]

Elite 23 Install ation Guide, Rev. A 7 tive 89/336/EEC of 03 May 1989 as amended by Directive 92/ 31/EEC of 28 Apri l 1 992 and Directive 93/68/EEC of 22 July 1993. Seaga te uses an ind epende nt la borat ory to confirm c o mpliance to th e above d i rectives. T he drive w as tested in a representative sy s t em for typical appli cations. The selec[...]

8 El ite 23 Installation Guide, Rev. A Tec h n ical support s ervices If you need a ssistance installing your drive, cons ult you r dea ler. Dealers are familiar with thei r unique system configurations and can help you with system con f lict s and other technical issues. If you need additional assistanc e wit h your Seagate drive or other Seaga t [...]

Elite 23 Install ation Guide, Rev. A 9 SeaBOARD SeaBOARD is a computer bulletin board system that contains informati on about Sea gate Technolog y disc and t ape dr ive prod- ucts and is available 24 hours dai ly. Set your comm uni cat ions softw are to ei ght data bits, no parity, and one sto p bit (8-N- 1). SeaBOARD phone numbers are listed i n t[...]

10 Elite 23 Install ation Guide, Rev. A Seag ate Tech no logy FAX servi ces SeaFAX You can us e a touch-tone telephon e to access Seagate’s auto- mated FAX sy s t em to receive techn ical support inform ation by return FAX. This service is a vailable 24 hours daily. Seagate te c hni cal suppo r t FAX You can FAX questions o r c omment s t o techn[...]

Elite 23 Install ation Guide, Rev. A 11 Seagate te c hni cal suppo r t line You can talk to a t echnical s u pport spec i alist during business hours Monday through Friday for one-on-one techn ic al help. Before c alling, note your s ystem configuration and dri ve model number (ST xxx x ). T her e are se veral te chnical support phone numbers avail[...]

12 Elite 23 Install ation Guide, Rev. A Gen eral des criptio n Elite 23 SCSI disc dri ves are high-speed , random-access digital- data storage de vi ces. The d r ive is a com ponent for instal lation i n an e ncl os ure designed for the drive. Th i s is often a rack w ithin the system or an external enclosure desig ned to hous e on e or more disc d[...]

Elite 23 Install ation Guide, Rev. A 13 Table 1: Drive charact eristics Interface Ul t r aSCSI 1 Capac ity Unformatted 29 .6 Gbytes Formatt ed 2 23.4 Gbytes Recording Cylinders ( user) 6,880 Re ad/writ e data heads 28 Se rvo hea ds Embedded Seek time ( typical) 3 Average read 13.2 msec Average writ e 14.2 msec Disc r otatio n r/min 5,400 + 0.5% Ave[...]

14 Elite 23 Install ation Guide, Rev. A Table 2: DC p o w er requir em ents 1 Measured with an average reading DC ammeter. Instanta- neous +12 V cur rent p eaks w ill e xc eed t hese values. 2 A –10% toleranc e i s permissible during ini tial start of the spin- dle but must return to ±5% before re a ching 5 400 r/min. The ±5% must be maintained[...]

Elite 23 Install ation Guide, Rev. A 15 6 At power-up, the motor curr ent regulator limits the +12V cur- re n t to an average value of les s t h an 4. 8 A, although instanta- neous peaks may exc eed this value . These peaks sh ould measure 5 m s ec dur ation or less. 7 Minimum current loading for each supp ly voltage is not less than 4% o f the max[...]

16 Elite 23 Install ation Guide, Rev. A Init ial setu p info rmation The general information beginning on thi s page ap pl ies to all of the Elit e 23 drive models. Aft er r eading t he general information topics, refer to t he appropriate drive-specific section l isted below for additional infor mati on about configuring and installing your partic[...]

Elite 23 Install ation Guide, Rev. A 17 SC SI I D ju mpers Each device o n the SCSI chain must have a unique SCSI I D. The host system’s SCSI controller usually uses the ID that has the highes t pr iori ty interr upt in the SCSI I/O system. T h i s is always ID7. ID0 is l owest prior ity in an 8- bit I/O system. ID8 is lowest prior ity i n a 16-b[...]

18 Elite 23 Install ation Guide, Rev. A the c ase, change the ID so that ea c h de vice on t he SCSI chain has its own unique ID . Al s o check yo ur s ystem or contr oller user’s manu al to ensure that y ou ha v e not violated its SCSI ID numbering reco m m endations. Drive term i nati on If you are installing a Elite 23 dri ve in a system that [...]

Elite 23 Install ation Guide, Rev. A 19 For informat ion about how t o ter minate your drive, refer to the appropriate dri ve-specific section. Figure 2. SCSI bus t ermination Term inato r p ower You usually w ill not n eed t o change this option and ca n n ormally leave th e drive c onfigured as it wa s ship p ed from the factory. For informati o [...]

20 Elite 23 Install ation Guide, Rev. A Figures 3a, 3b, 3c, and 3d show typical drive conn ectio ns. Th e following table lists t he ma x i mum cable lengths and number of device s wi th s in g le-ended I/O c ir c uits allowed on a daisy-c hain cable for 5 and 20 M bytes/sec I/O data tra n sf er rates. 1 See s y st em documentation. ANSI spec does [...]

Elite 23 Install ation Guide, Rev. A 21 Figur e 3a. Fift y-pin I/ O connection to dr ive Figure 3b. Sixty-eight pin connection to d r ive[...]

22 Elite 23 Install ation Guide, Rev. A Figure 3c. Multi ple dr ive 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. SCSI ID 0 [...]

Elite 23 Install ation Guide, Rev. A 23 Figure 3d. Multiple-dr ive 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 SCSI bus.[...]

24 Elite 23 Install ation Guide, Rev. A Pro vid ing ade qu ate coolin g The enclosure design must ensure adeq uate cooling f or th e driv e. The maximum ambient t emperatur e is 50 ° C. The drive’s produ ct manual (8332914 0) de scribes how to evalu- ate the air -flow design. The evaluation consists of e n surin g that the case temperature of ce[...]

Elite 23 Install ation Guide, Rev. A 25 Kü hlun g des System s Die Gehäuseko nstr uktion mu ß eine ausreiche nde Kühlung de s Lauf werk es gew ährle isten . Die Um gebun gstemp erat ur da rf maximal 50 ° C betr agen. Die Produkthandbuch El i te 23 (Dokume nt 8332914 0 ) enthal ten Anweisungen zu r Beurteil ung der Lufts tromkonstrukti on. Die[...]

26 Elite 23 Install ation Guide, Rev. A . Figure 4. Suggested air flow Abbild ung 4. Em pfohlener Luftst romverl auf Above unit Über der Einheit Under unit Unter der Einheit 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[...]

Elite 23 Install ation Guide, Rev. A 27 Mou nti ng the driv e and conne ctin g cabl es Do not touch the c onnector pins o r any components on the con- trol board wit hout o b serving stati c- disch ar g e pr ecautions. Alw ays handle the drive by the frame only. The drive m ay be mounted in a ny orientation (horizontall y, verti- cally, and any com[...]

28 Elite 23 Install ation Guide, Rev. A 1. Befestigen Sie d as Laufwer k m i t vier 6-32-UN C-Schr aube n am Geh äuse de s H ost-System s. Die bei den Seiten de s Laufwe rkes si nd mit je weils zwei Befes t ig ungsl öcher n versehen, die Unterseite des Laufwerkes weist v i er weit ere Befestig u ngslöch er auf. Geme ssen von der Außenfläch e d[...]

Elite 23 Install ation Guide, Rev. A 29 defined i n IEC 950. Figure 5 pr ovides th e pin informati on for the DC power conne ct or. To connec t the DC powe r cable to the driv e , simply insert the cable end into the drive’s DC power connec tor. 4. Schließen Sie da s SCSI- Kabe l a n den SCSI- Stec kverbinder des L aufwerke s an. Da s Kabel dar [...]

30 Elite 23 Install ation Guide, Rev. A Note. Signal ground on the printed c i rcuit bo a rd assembly (PCB) and the head and disc as sembly ( HDA) are con- nected together in this dr ive and you ca nnot separate them. Ensure the equipment i n which you h ave m ou nted th e driv e is connec te d dire ctly to the HDA. Maximi zing th e cond ucti ve co[...]

Elite 23 Install ation Guide, Rev. A 31 elektromagnetisc he St rahlung fällt in den Zuständigke its- bereich des Systemdes i g ne r s. 5. Replace the host system’s cover. 5. Setzen Sie da s Gehäuseo berteil d es Host -Systems wieder auf.[...]

32 Elite 23 Install ation Guide, Rev. A Figure 6. Mounting confi guration dimensions L J K H G F A E [2] D B C [4] [1] [3] Inches Millimeters 8.000 5.750 2.875 2.950 3.120 0.860 5.500 0.125 3.120 2.950 3.240 203.20  145.05  73.02  54.93  79.25  21.84  139.70  2.17  79.24  74.93  82.30 A[...]

Elite 23 Install ation Guide, Rev. A 33 Form atting th e dri ve Warning. Form atting a drive erases a l l user data. Be sure that you understand this principle b e f ore formatting a ny hard disc dri ve. It is not neces sary to form at a dri ve that previously has been used to store data, unless your intention is to e r a se a l l user da t a. Note[...]

34 Elite 23 Install ation Guide, Rev. A N driv es N/ND d rives secti on Settin g the SCS I ID jumper s Use the J4A c onnec tor to s et the SCSI ID (see Figure 7) on model ST42345 1N. To change the SCSI ID, install jumpers on the appropr iate pins as s hown in the illustration. Figure 7. Set ting the SCSI ID on N m o dels SCSI ID = 0 (default) J4A S[...]

Elite 23 Installat ion Guide, R ev. A 35 N driv es Term i nating the driv e ST4234 51N drives are terminated wit h per manently mounted IC active termi n at o r s. If you install one of these drives and i t is not on th e end of the SCSI bus, disable the t erminat ors by r emov ing the TE jumper from pins 19 and 20 of connector J4A (see Figure 7). [...]

36 Elite 23 Install ation Guide, Rev. A N driv es Term inato r p ower There are thr e e p o ssible term inator power configuratio ns for ST4234 51N drives (s ee Figure 9) . You will not normal ly need to chan ge t his option and c an leave t he drive configured as i t wa s shipped from the factory. Figur e 9 . Setting term inator power jumpers on N[...]

Elite 23 Installat ion Guide, R ev. A 37 N driv es O ther app licab le jump er opti on s Several other jumper options are a vailable as i llustrate d in Fig- ure 10. Figure 10. Addit ional jumper optio ns Immediate spinup (if the Start Command  option jumper is disconnected) Spinup delay equal to the SCSI Bus ID multiplied by 12 seconds (if t[...]

38 Elite 23 Install ation Guide, Rev. A W/WD drives W/ WD dri ves secti on Settin g the SCS I ID jumper s Use the J 4A jumper bl ock to s e t the SCSI ID (Figure 11) on mod- els ST42345 1W /WD. To change the SCSI ID , install jumpers on the appropr iate pins as s hown in the illustration. Figure 11. Set ting the SCSI I D on W/WD mode ls SCSI ID = 0[...]

Elite 23 Installat ion Guide, R ev. A 39 W/WD driv es Term i nating the driv e ST4234 51W dr ives are t ermi nat ed with permanently mounted IC active termi n at o r s. If you install one of these drives and i t is not on th e end of the SCSI bus, disable the t erminat ors by r emov ing the TE jumper from pins 19 and 2 0 of conne ctor J4A. If you i[...]

40 Elite 23 Install ation Guide, Rev. A W/WD drives Term inato r p ower There are thr e e p o ssible term inator power configuratio ns for ST4234 51W drives (see Fig ure 13). You will not norm ally need to ch a nge this opt ion and can leave the dri ve configured as it was shipped from the factory. There are two possi ble terminator powe r configur[...]

Elite 23 Installat ion Guide, R ev. A 41 W/WD driv es O ther app licab le jump er opti on s Oth er option jumpers are a vailable as il lustrat ed below. Figure 14. Addit ional jumper optio ns 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  [...]

42 Elite 23 Install ation Guide, Rev. A All dri ve s Active, Re ady, and Faul t i ndica tors The Active, Ready, and Fault L E D indicator connections are shown below. Figure 15. LED indicat or connections for all drive models J4A Reserved Active LED Connector Fault/Ready LED Connector Terminator Enabled (TE) Active Fault Ready Reserved Note: On som[...]

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Seag ate Tech no logy, I nc . 92 0 Disc Dri ve, Scotts Valley, CA 95066-4544, USA Publicatio n Number: 83 329130 , Rev. A, Printed in USA[...]