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Seagate ST34371N/W/WC/WD/DC - page 1
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Seagate ST34371N/W/WC/WD/DC - page 2
Con tents Prefac e . .. . ... . .. . .... ..... . ...... ..... . .... . ... . .. . .... ..... . ...... ..... . .... . ... ........ . ... . 1 Electr ostatic discharge protection ................................................ 1 Imp ortant safety informatio n an d pre cautions ....................... ....... 2 Wi c htige Sicherheitshinweise ........ ...
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Seagate ST34371N/W/WC/WD/DC - page 3
Barracuda 4LP Installation Guide, Rev . B 1 Preface This manual contains infor mation for u sers of the Seaga te® Barracuda 4LP SCSI disc drives. I t p r ovides su pport services, performance s pecifi cations, a nd initial setup inf ormati on. Ad di- tional i nformation is available in the Barracuda 4LP Product Manual (part number 77767491). Conta ...
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Seagate ST34371N/W/WC/WD/DC - page 4
2 Barracuda 4LP Installation Guide, Rev . B • Tu r n of f the powe r before removing or installing the DC power cable. • Do not remove any cir cuit boards f rom t h e drive. • Never use an ohmmeter on any cir cuit boards. • W hen installin g the drive o n a carrier or tr ay , discha rge the carrier or tray prior to inserting it into the sys ...
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Seagate ST34371N/W/WC/WD/DC - page 5
Barracuda 4LP Installation Guide, Rev . B 3 stacke d verti cally , pay s pecial attention to the top whe r e t em- perature s are usually highest. • Follow the precautions l isted ab o ve in “Electr ostatic disch ar ge prote ction.” • Do not remove any circuit boards from the drive. Retur n the entire dri ve f or depo t repair if any cir cu ...
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Seagate ST34371N/W/WC/WD/DC - page 6
4 Barracuda 4LP Installation Guide, Rev . B This unit is a component part and as such is not meant to comply with FCC or similar national requirem e nt s a s a stand-alone unit. Engineering radiated emissions te st re sults a r e available throu gh the Seag ate Safety Depart ment to a s sist the subs ystem designe r . Wichti ge S ich erh eitsh in w ...
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Seagate ST34371N/W/WC/WD/DC - page 7
Barracuda 4LP Installation Guide, Rev . B 5 Beach ten Sie in jedem Fall die folg enden Wa rn-und V orsich t - shinweise: • Beach ten Sie alle Warn- und V or sichtshinweise in diesem Handbu ch. • Tref fe n Sie beim Betrieb, bei der Installation o d er bei der Entfernung der Ei n h ei t angemes sene Sicherheitsvorkehrun- gen. • Wenn eine Ein h ...
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Seagate ST34371N/W/WC/WD/DC - page 8
6 Barracuda 4LP Installation Guide, Rev . B • Die vormontierte Kopf- und Fe stpl atteneinheit (HDA) nicht a us dem L aufwer k neh m en! Falls die HDA b eschä dig t ist, schicke n Sie das g esamte Laufwerk zur Reparatur ein. • Die HDA ist nicht vor Or t reparierbar und darf nicht auseinan- dergenommen werden ! Öffnen de r versiege lt en HDA du ...
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Seagate ST34371N/W/WC/WD/DC - page 9
Barracuda 4LP Installation Guide, Rev . B 7 magnetische Strahlung sind für Designer von Untersystemen auf Anfra ge von d er Seaga te-Sicherheit sabteilu ng e r hältl ich. Eur op ean Uni on Compl iance If this mode l has the CE Marking, it complies w it h the Europea n Union requirem ents of the Electr omagnetic Compati bili ty Di rec- tive 89/336 ...
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Seagate ST34371N/W/WC/WD/DC - page 10
8 Barracuda 4LP Installation Guide, Rev . B T echnical sup p ort services If you nee d assistance inst alli n g your dr ive, cons ult you r dealer . Dealers are familiar with their unique s ys t em co nf igurations and can help you with system con f lict s and other technical issu es. If you need additional assistance with your Seaga te ® drive or ...
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Seagate ST34371N/W/WC/WD/DC - page 11
Barracuda 4LP Installation Guide, Rev . B 9 SeaBO ARD ® SeaBOARD is a c omputer bulletin board system ( BBS) that con- tain s information abou t Seagate’ s disc and tape driv e p r oducts and is available 24 hours daily . S et your communications soft - ware to eight data bi ts, no pari ty , and one stop bit (8 - N-1). Sea- BOARD phone numbers a ...
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Seagate ST34371N/W/WC/WD/DC - page 12
10 Barracuda 4 LP Installation Gui de, Rev . B Seag ate T e chn ology F AX servic es SeaF AX ® Y ou can us e a touch-tone telephone to ac cess Sea gate’s auto- mated F AX system to receive technical support informati on b y return F AX. T his s ervice is available 2 4 hours d ai ly . Seag ate techn ical sup po rt F AX Y ou can F AX questions o r ...
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Seagate ST34371N/W/WC/WD/DC - page 13
Barracuda 4LP Installation Guide, Rev . B 1 1 Before c alling, not e your system configuration and dri ve model number (ST xxx x ). T her e are se veral technical s upport phon e numbers available for v ar ious Sea gate prod ucts. SeaT DD ™ 4 08-944-912 1 Using a telecommunications device for the deaf (TDD), you c a n send ques t ions or comments ...
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Seagate ST34371N/W/WC/WD/DC - page 14
12 Barracuda 4 LP Installation Gui de, Rev . B Gen eral des criptio n Barracuda 4LP SCSI disc drives are high-speed , random-ac cess digital- dat a storage devices. The d r ive is a com ponen t for i nstallation in a n enclosure designed for the drive. T his is of ten a rack withi n the system or an external enclosure desig ned to hous e one or mor ...
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Seagate ST34371N/W/WC/WD/DC - page 15
Barracuda 4LP Installation Guide, Rev . B 13 T able 1. Drive charact eristics Interf ace UltraSCSI [ 1] Capac ity Form at ted [2] Unformatt ed ST3 4371 4.35 Gbyte [2] 5.31 Gbyte ST3 2171 2.16 Gbyte [2] 2.65 Gbyte ST3 4571 4.55 Gbyte [2] 5.54 Gbyte ST3 2271 2.26 Gbyte [2] 2.77 Gbyte Recording Cylinders (user) 5,178 Re ad/ writ e data heads ST321 71/ ...
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Seagate ST34371N/W/WC/WD/DC - page 16
14 Barracuda 4 LP Installation Gui de, Rev . B [2] St andard factor y unit s are fo rmatted 5 1 2 da ta byte s per secto r wit h spa r in g equiva l e nt to eight y spa re sect ors per eight c yli n d er reg i on . Spa res are loca ted a t the end of each sparin g regio n. [3 ] In cl u de s co nt rol ler ov e rhe ad . T able 2a. DC p ower r equir e ...
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Seagate ST34371N/W/WC/WD/DC - page 17
Barracuda 4LP Installation Guide, Rev . B 15 T able 2b. DC p ower r equir ements (Amps) [1] Measured with an av e r ag e reading DC amm eter . Instanta- neous +12 V cur rent p eaks w ill e xc eed t hese values. [2] A –1 0% droo p is permi ssible during init ial star t of the spindle but m ust return to ±5% befor e reach i ng 7,200 RPM. The ±5% ...
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Seagate ST34371N/W/WC/WD/DC - page 18
16 Barracuda 4 LP Installation Gui de, Rev . B [5] See “Conducted noise immunity” in the Barra cuda 4LP Prod- uct Manu al . The sp ecif ied voltage tolerance is inclusive of ripple, noise, and transient respon se. [6] Operating condition is defined as random s eek re ad opera- tions with a block count of 64. General Notes fr om T ables 2a and 2 ...
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Seagate ST34371N/W/WC/WD/DC - page 19
Barracuda 4LP Installation Guide, Rev . B 17 Init ial setu p in f o r mation The general information beginning on thi s page ap pl ies to all of the Barracuda 4LP drive models. After re ading the g eneral inf or- mation topics, refer t o th e a ppropriate drive-speci fic section listed below for additional infor mation about co n f iguri ng and ins ...
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Seagate ST34371N/W/WC/WD/DC - page 20
18 Barracuda 4 LP Installation Gui de, Rev . B SC SI I D ju mpers Each device o n the SCSI chain must h ave a unique SCSI ID. The host s ystem’s SCSI c ont roller usually u ses t he ID that h as the highes t pr iori ty interr u pt in t he SCSI I/O s ystem. This is always ID7. ID0 is l ow est priority i n an 8-bit I /O system. ID8 i s lowest prior ...
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Seagate ST34371N/W/WC/WD/DC - page 21
Barracuda 4LP Installation Guide, Rev . B 19 the c ase, change the ID so that e ac h de vice on t he SCSI chain has its own unique ID . Al so check yo ur s ystem or controller user ’s manual to ensure tha t you have not violate d i t s SCSI ID numbering reco m me ndations. Drive term i nati on If you are installin g a Barracu d a drive in a syste ...
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Seagate ST34371N/W/WC/WD/DC - page 22
20 Barracuda 4 LP Installation Gui de, Rev . B For informat ion about how to ter minate your drive, refer to the appropriate dri ve-specifi c section. Figure 2. SCSI bus t ermination T erm ina tor po wer Y ou u sually wi ll not need to chang e this opti on and c an n ormally leave the d r ive config ured as it was shipped f r om the factory . For i ...
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Seagate ST34371N/W/WC/WD/DC - page 23
Barracuda 4LP Installation Guide, Rev . B 21 Figures 3a, 3b, 3c, and 3d show typical drive conn ectio ns. The following table lists t he ma x i mum cable lengths and n u m ber of device s wi th s in g l e-end ed I /O c ircuits allowed on a daisy -chain cable for < 1 0 and < 20 M transfer s/sec I/O d ata tran sfer rates. For device s h aving d ...
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Seagate ST34371N/W/WC/WD/DC - page 24
22 Barracuda 4 LP Installation Gui de, Rev . B Figur e 3a . Fifty pin I/O connection t o dri ve Figure 3b. Si xty-eight pin connection t o drive Pin 1 HDA Pin 1 HDA ...
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Seagate ST34371N/W/WC/WD/DC - page 25
Barracuda 4LP Installation Guide, Rev . B 23 [ 1 ] “X” means up to 6 or th e maxim um allo wab l e num b er of dev ices on the SCSI bu s. See T able 4 and system d ocu me ntati on. Figure 3c. Multiple dr ive connection t o host adapter Host Adapter PCB Pin 1 (check your adapter for Pin 1 location) SCSI ID X (or last drive) [1] ...
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Seagate ST34371N/W/WC/WD/DC - page 26
24 Barracuda 4 LP Installation Gui de, Rev . B [1] Do not mix “W” and “WD” mo de l d rive s on t h e daisy ch ai n. [2] “ X ” mea ns up to 15 or the m axim um a ll owa ble n um ber o f d evices o n the SCSI bu s. See T able 4 and system d ocu me ntati on. [3] Exte rn al t er mina tor . Figure 3d. Multiple-drive connection t o host adapt ...
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Seagate ST34371N/W/WC/WD/DC - page 27
Barracuda 4LP Installation Guide, Rev . B 25 Note. This drive model plugs d i rectly into a backplane connec- tor and t her efore uses no cables. Figure 3e. Drive model “WC” or “DC” with single 80-pin I/O and power conn ect or ...
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Seagate ST34371N/W/WC/WD/DC - page 28
26 Barracuda 4 LP Installation Gui de, Rev . B 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 product m anual (7776 7491) de scribes how to evalu- ate the air - f low design. The evaluation consists of ensuring that the case temperatur ...
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Seagate ST34371N/W/WC/WD/DC - page 29
Barracuda 4LP Installation Guide, Rev . B 27 Kü hlun g des System s Die Gehäuseko nstr uktion mu ß eine ausreiche nde Kühlung de s Lauf wer k es gew ährlei sten . Die U m ge bungst e mpera tur darf maximal 50 ° C betr agen. Die Produkt handbuch Barrac uda 4LP (Dokument 7776 7491) enth alten Anweisung en zur Beurte i lu ng der Luftst romkonstr ...
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Seagate ST34371N/W/WC/WD/DC - page 30
28 Barracuda 4 LP Installation Gui de, Rev . B . Figure 4. Suggested air flow Abbild ung 4. Em pfohlener L uftstromver lauf 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) ...
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Seagate ST34371N/W/WC/WD/DC - page 31
Barracuda 4LP Installation Guide, Rev . B 29 Mou nti ng the driv e and conne ctin g cabl es Do not touch the c onnector pins or any components on the con- trol board wit h o ut o b serving stati c- discha r ge precautions. Alw ays handle the d r ive by the frame only . The drive may be mounted in a ny orientation (horizontall y , verti - cally , an ...
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Seagate ST34371N/W/WC/WD/DC - page 32
30 Barracuda 4 LP Installation Gui de, Rev . B 1. Befestigen Sie d as Laufwer k m i t vier 6-32-UN C-Schr aube n am Geh äuse de s Host-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 e r weit ere Befestig u ngslöch er auf. Geme ssen von der Außenfl? ...
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Seagate ST34371N/W/WC/WD/DC - page 33
Barracuda 4LP Installation Guide, Rev . B 31 defined i n IEC 950. Figure 5 pr o vides the pin inf ormati on for the DC power connec tor . T o connect the DC power cable to the drive, simply i nsert the ca ble end into the drive’s DC power connec t or . 4. Schließen Sie da s SCSI- Kabel a n den SCSI- Steckverbinder des L aufwerke s an. Da s Ka be ...
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Seagate ST34371N/W/WC/WD/DC - page 34
32 Barracuda 4 LP Installation Gui de, Rev . B Note. Signal ground on the powe r contr ol board (PCB) and the head and disc assembly (HDA) are c onnec ted to gether in this d rive and you cann ot sepa r ate th em. The equipment in which you have mou nt ed the drive is connected dire c tly to the HDA and PCB with o ut electrically isolati n g shoc k ...
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Seagate ST34371N/W/WC/WD/DC - page 35
Barracuda 4LP Installation Guide, Rev . B 33 tem ei nba uen . D ie d arau s u. U. res ult ie rende ve rs tä rkt e elektromagnetisc he St rahlung fällt in den Zuständigkeits - bereich des Systemdes i g ners. 5. Replace the host system’s co ver . 5. Setzen Sie da s Gehäuseo bert eil d e s Host -Systems wieder auf. ...
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Seagate ST34371N/W/WC/WD/DC - page 36
34 Barracuda 4 LP Installation Gui de, Rev . B Figure 6. Mount ing confi guration dimensions A F D E L [1] [3] B G [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). [2] M ...
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Seagate ST34371N/W/WC/WD/DC - page 37
Barracuda 4LP Installation Guide, Rev . B 35 Form atting th e d rive Warning. Formatting a drive erases a l l user data. Be sure that you understand this principle b e f ore form atting any 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 ase all user da t a. Not ...
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Seagate ST34371N/W/WC/WD/DC - page 38
36 Barracuda 4 LP Installation Gui de, Rev . B N dri ves N/ND d ri ves secti on Settin g the SCS I ID ju m pe rs Use th e J6 co n nector to s et the SCSI ID (see Figure 7). T o chan ge the SCSI ID, i nstall j umpers on t h e appro pr iate pi ns as shown in th e i llust rati o n. Figure 7. Set ting the SCSI I D on model N dr ives A 2 A 1 A 0 SCSI ID ...
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Seagate ST34371N/W/WC/WD/DC - page 39
Barracuda 4LP I n s t allati on Guide, Re v . B 37 N dri ves T erm i na tin g the dri v e “N” model drive s are termi nated with permanently mou nt ed IC active termi n at o rs. If you install on e of these drives and i t is not on th e end of the SCSI bus, disable the t ermi nators by r emovin g the jumper “TE” from pins 15 and 16 of conne ...
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Seagate ST34371N/W/WC/WD/DC - page 40
38 Barracuda 4 LP Installation Gui de, Rev . B N dri ves T erm ina tor po wer There are three possi ble terminator pow er ( TP ) configurat ions for “N” model dr ives ( se e F i g u r e 9). Y o u will not normally n eed to chan ge t his opti on a nd can leave the drive configured as it w as shipped from the factory . Figur e 9. Set ting termina ...
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Seagate ST34371N/W/WC/WD/DC - page 41
Barracuda 4LP I n s t allati on Guide, Re v . B 39 N dri ves O ther app licab le jump er opti on s Several oth er jump er options are a vailable as il lustrat ed. Figur e 10. Addit ional jumper opti o ns Enable parity check of SCSI bus. Disable parity check. J2 Pin 1 Reserved Parity Check option Write protect = Off (enables writing). Write ...
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Seagate ST34371N/W/WC/WD/DC - page 42
40 Barracuda 4 LP Installation Gui de, Rev . B W/WD drives W/WD drives secti on Settin g the SCS I ID ju m pe rs Use the J 6 j umpe r block t o set the SCSI ID (Figure 1 1). T o chan ge the SCSI ID, i nstall j umpers on the a p propr iate pin s a s shown in the illust rati on. Optional conn ections to switching cir- cuits in host equipm ent are pro ...
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Seagate ST34371N/W/WC/WD/DC - page 43
Barracuda 4LP I n s t allati on Guide, Re v . B 41 W/WD dr iv es Figure 12. Usi ng J1-Auxillary connector for model “W” and “WD” drive al ternat e ID s ele ct and LED connec tion J1-DC Power J1 68 Pin SCSI I/O Connector Drive HDA Rear SCSI ID = 8 SCSI ID = 9 SCSI ID = 10 SCSI ID = 11 SCSI ID = 12 SCSI ID = 13 SCSI ID = 14 SCSI ID = ...
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Seagate ST34371N/W/WC/WD/DC - page 44
42 Barracuda 4 LP Installation Gui de, Rev . B W/WD drives T erm i na tin g the dri v e “W” model drives are termi n a t e d wit h permanently mounted IC active termi n at o rs. If you install on e of these drives and i t is not on th e end of the SCSI bus, disable the t ermi nators by r emovin g the jumper “TE” from pi ns 15 and 16 of conn ...
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Seagate ST34371N/W/WC/WD/DC - page 45
Barracuda 4LP I n s t allati on Guide, Re v . B 43 W/WD dr iv es T erm ina tor po wer There are three possi ble terminator pow er ( TP ) configurat ions for “W ” model dr ives (see Fig ure 14). Y ou will n ot norm ally ne ed to ch a nge this opt ion and can leave the drive configured as it was shipped from the factory . There are two po s sible ...
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Seagate ST34371N/W/WC/WD/DC - page 46
44 Barracuda 4 LP Installation Gui de, Rev . B W/WD drives O ther app licab le jump er opti on s Oth er option jumpers ar e availa ble as illu strated bel ow . Figur e 15. Addit ional jumper opti o ns Enable parity check of SCSI bus. Disable parity check. J2 Pin 1 Reserved Parity Check option Write protect = Off (enables writing. Write prot ...
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Seagate ST34371N/W/WC/WD/DC - page 47
Barracuda 4LP I n s t allati on Guide, Re v . B 45 WC/DC drives W C/DC d rive s sectio n Settin g the SCS I ID ju m pe rs The SCSI I D f or “WC” and “DC” m odel drives is normally set over the SCSI bus by th e host system using c onnec tor co nta cts 39 (ID0), 40 (ID2), 79 (ID1), and 80 (ID3). Users need not install jum pers to select SCSI ...
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Seagate ST34371N/W/WC/WD/DC - page 48
46 Barracuda 4 LP Installation Gui de, Rev . B WC/DC d rive s Ap pl ica ble jum p er op tio ns Option jumpers are a v ailable as illustr ated below . Figure 16. Jumper opti ons Enable parity check of SCSI bus. Disable parity check. Parity Check option Write protect = Off (enables writing) Write protect = On (disables writing) Write Protect ...
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Seagate ST34371N/W/WC/WD/DC - page 49
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Seagate ST34371N/W/WC/WD/DC - page 50
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Seagate ST34371N/W/WC/WD/DC - page 51
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Seagate ST34371N/W/WC/WD/DC - page 52
Seag ate T ech nolo gy, Inc. 92 0 Disc Drive, Scotts V al ley, CA 95066-45 44, US A Publicatio n Number: 77 767492 , Rev . B, P r inted in U SA ...
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