Seagate ST118202LW/LC manuale d’uso

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Contents Pre f a c e .... .. ..... ..... ..... .. ..... ..... ..... ..... .. ..... ..... ..... .. ..... ..... ..... ..... .. . 1 Ele ctro stat ic disc har ge prote cti on .... .. ..... ..... ..... ... .... ..... ..... ..... . 1 Important saf ety inf ormati on and pre cautions ....... ..... .. ..... .. . .... 2 Wic h ti g e S ic h er h e its hin w e[...]

Cheetah 18 Instal lation Guid e, Re v . A 1 Pre face This manual cont ai n s inf ormation f or users of the Seagat e® Cheeta h 18 SCSI di sc driv es. I t prov i d es support services , per- f ormance specif icatio ns, and initia l setup inf ormation. Addi t i onal in f o rm atio n is ava ilabl e in th e Cheetah 18 Produc t Manual (pa r t num ber 8[...]

2 Chee tah 18 Instal lation Guid e, Re v . A • T urn off t he powe r bef ore re m o ving or inst alling the DC powe r cabl e. • Do not remo ve an y circuit b oards from the driv e. • Ne v er use an oh m meter on an y circ uit boards. • When inst al ling the driv e on a carrie r or tra y , discharge the car- rie r o r tray pr ior to ins e r [...]

Cheetah 18 Instal lation Guid e, Re v . A 3 stac ke d vertical l y , pa y special attenti on to the t op where t em- per atures ar e usual ly highest . • Fo llo w the pr ec autions l isted a bov e in “Electro static discharge prot ection.” • Do no t r emov e any ci rcuit boa rds from the d rive. Return the enti re driv e f or d epot repai r[...]

4 Chee tah 18 Instal lation Guid e, Re v . A This u nit is a c omponent part and as suc h is not m eant to com- ply wi th FCC or simi lar nati onal requi rements a s a stand-al one unit . Engineering radi ated emissi ons test resul ts are av ailab le thr ough the Seagate Saf ety De par tment to assi st the su bsystem desi gner . Wic htige Si cherh [...]

Cheetah 18 Instal lation Guid e, Re v . A 5 Beacht en Sie in jedem F all di e f olgenden W ar n -und V orsi cht- shi nw eis e: • Bea chten Sie alle W arn- und V ors i c htshinwei se in diesem Ha nd buc h. • T reff en Sie bei m Be trieb , bei der In stallat ion oder bei de r Entf ernung der Einhei t ange m es sene Sicher heitsv orkehrun - gen. ?[...]

6 Chee tah 18 Instal lation Guid e, Re v . A • Die v ormonti er te K opf- und F estplattenei nheit (HD A) nicht aus dem Laufwerkgehäu se nehmen! F all s die HD A besc hädigt ist, schi ck en Sie das gesam te Laufw erk zur Repar atur ei n. • Die HD A i st nicht v or Ort r eparierbar und darf ni cht auseinan - dergen ommen wer den! Öffnen der v[...]

Cheetah 18 Instal lation Guid e, Re v . A 7 magn etisc he St rahl ung sind für Designer v on Untersy stem en au f Anfr age von de r Seagat e-Sicher heitsabte ilung erhäl tlich. Regulator y agency compliance Elect romagn etic suscepti bility As a componen t assembl y , t he drive is no t requir ed to meet an y suscep tibi li ty p erf or mance requ[...]

8 Chee tah 18 Instal lation Guid e, Re v . A shal l confirm EMC compliance and pr ovi de CE M ar k ing and C- Tic k Marking f or their prod uct. Elect romagn etic compli ance f or the Eur op ean Union If this model has the CE Marking it compl ies wit h the Eur op ean Union requirem ents of t he Electr omagneti c Compatibi lity Di r ec - ti ve 89 /3[...]

Cheetah 18 Instal lation Guid e, Re v . A 9 Se agat e T e ch nol ogy sup po r t se r v ic es Presales s uppor t T o dete r mi ne which Sea gate pr oducts ar e best suited f or you r speci fic appl ication, contact u s about co nfigura tion and com pati- bil ity and f or current pr oduct av ail ability . Y ou c an lea ve a voice mes sage after busin[...]

10 Cheetah 18 Instal lation Guid e, Re v . A ask ed quest ions , tro ubleshoot ing tip s, an d specifi cations f or disc driv es an d tape dri ves . This s er v i c e is av ailabl e 24 h ours da i l y and r equires a touch-t one phone . Internat ional cal lers can reach thi s aut om ated se lf-hel p service b y di aling 40 5-936-1 234. Online ser v[...]

Cheetah 18 Instal lation Guid e, Re v . A 11 F AX services Se aF A X ® Y ou ca n use a touch- tone tel ephone t o access Seagate’ s auto- mated F AX syst em to r ec eiv e techni cal s uppor t i nformati on b y ret ur n F AX. This service is a vai la ble 24 hours dai ly . T e chn ical support F AX Y ou can F AX questions or com ments to techni ca[...]

12 Cheetah 18 Instal lation Guid e, Re v . A Direct-suppor t services T e chn ical support F or one- on-one help , yo u ca n talk t o a t echnical support sp ecial- ist dur ing local business hours . Bef ore calling , note your system confi gu rati on and dri ve model num ber ( ST xxxx ). German y 49-89-1430- 5100 Hong K ong 852-2368 7173 Jap an 81[...]

Cheetah 18 Instal lation Guid e, Re v . A 13 SeaTDD ™ 405-936-1687 Using a t el e communica tions de vice f or the deaf ( TDD), you can send que stion s or comment s 24 hour s daily and exch ange mes - sages wit h a techn ical supp or t speciali st between 8:0 0 A . M . to 12:15 P . M . and 1:30 P . M . to 6: 00 P . M . (c entr al t im e) Mo nday[...]

14 Cheetah 18 Instal lation Guid e, Re v . A Man uf act urer’ s represe ntativ es Braz il MA I nformati ca 55-21-5 16-6649 55-21 - 516-5280 Canada Memofix Adtech 905- 660-4936 905-812- 8099 1-800-6 24-9857 905-6 60-8738 905-8 12-7807 Mexi co Abicom Seam ax SA DE CV 525-546- 4888 525-546- 4888 Southe r n Europe Caesar It al ia 39-688-18149 3 9-688[...]

Cheetah 18 Instal lation Guid e, Re v . A 15 Ge neral descr iption Cheeta h 18 SCSI disc dri ves are high- speed, random- access digi t al-data st orage d evi ces capab le of oper ati ng i n single-en ded (SE) or lo w v o ltage diff erent ial (L VD) modes. These two m odes a r e off ered t o allo w y ou to us e thi s driv e in syst ems that us e th[...]

16 Cheetah 18 Instal lation Guid e, Re v . A Figur e 1 . Cheetah 18 famil y drive (ST11820 2L W sho w n)[...]

Cheetah 18 Instal lation Guid e, Re v . A 17 Cha rac teri stic s ST1 1820 2L W /LC Interface Ultra2 SCSI 1 Capacity Unf orm atte d (Gb yte s) For mat te d (Gby te s) 2 22. 54 18. 21 Recording Cy l ind er s ( us er) Read /wri te da ta hea ds Avg byt es /t ra ck 6, 962 24 104 ,840 -159, 008 Ac cess t ime 3 A ver ag e read ( msec) A ver ag e write ( m[...]

18 Cheetah 18 Instal lation Guid e, Re v . A ST11 8202 L W/LC Sin gle-ende d ( SE) mode Low voltage differ ential (L VD) mode DC pow er req uirem ents (± 5%) 1 + 5 V+ 1 2 V + 5 V+ 1 2 V Maxi mum st ar t curre nt Maxi mum op er atin g cu rr en t Av e rag e id le cu rr e nt 0.8 9A 0.88 A 0.7 2A 2.5 A 1. 22A 0.9 8A 0.9 0A 0.9 5A 0.7 4A 2.5A 1.22 A 0.[...]

Cheetah 18 Instal lation Guid e, Re v . A 19 Initia l setup inf ormat io n The gen eral info r mat ion beg i n ning on t hi s page applies t o all o f the Cheet ah 18 drive mod el s . Af t er readi ng t he gen eral i nf or ma- ti on topics , r efer to t he appropri ate driv e-spe cific section listed belo w for a dditional inform ation about con f [...]

20 Cheetah 18 Instal lation Guid e, Re v . A Single-end ed and low vo l tage differential modes This drive i ncorporates t wo dif feren t transc eiv ers to al low y ou to use i t in tr aditio nal sys t ems which ma y use s ingle-end ed (SE) driv ers and recei vers , or to use it in lo w v oltage dif fer ent ial (L VD) capab le syst em s whi ch use [...]

Cheetah 18 Instal lation Guid e, Re v . A 21 Note. Most SCSI controll ers (host adapters) a llo w you to ski p a SCSI ID . F or e xample , y ou can ha ve ID0, ID1, and I D3 (ski pping ID2). Ot her control lers do not allo w this so be sure t o refe r to y our sys t em or contro l l er user’ s manua l f or detail s about its req uirements f or pro[...]

22 Cheetah 18 Instal lation Guid e, Re v . A Drive te rmination If you ar e instal ling a Ch eetah driv e in a system t h at has other SCSI de vic es instal led, terminate onl y the en d dev i c es on the SCSI c hain. A SCSI “de vice” is any dis c drive , s canner , t ape bac kup uni t, or other piece of hard ware c onnected t o yo ur sys - tem[...]

Cheetah 18 Instal lation Guid e, Re v . A 23 ing the b us at t he bac kpanel. F or ST118202L W driv es, use an in - lin e te r mi na t or on th e c abl e. Figur e 2. SCSI b us t ermination T er m in at or pow er Y ou usu ally wil l not need to change t his op t ion an d can normally lea ve t he dri ve conf i gured as it wa s shipped f rom t he fac [...]

24 Cheetah 18 Instal lation Guid e, Re v . A can use these wi de drives on a stan dard (non-wi de) 8-bit data bus if you p rovide pr oper terminat ion to the upper 8- bi t data li nes. This is of ten re ferre d to as provi ding “hi gh-9 termina- tion .” Figur es 3, 4, and 5 sho w t ypical dri v e connecti ons . The f oll owing tab le li sts the[...]

Cheetah 18 Instal lation Guid e, Re v . A 25 Figur e 3. 68-pin I/O connect ion to dr ive ( L W model ) Figur e 4. 80-pin I/O connect ion to dr ive ( LC model)[...]

26 Cheetah 18 Instal lation Guid e, Re v . A [1] “X” me ans up to 15 or th e maximu m allowable num ber of d evices on th e SC SI bu s. S ee s yste m do cu men tat ion and T able 1 . [2 ] Ex ter nal t er min ator. Use d o nly on end “ L W ” dr ive. Use only S PI- 2- com pliant active L V D ter min ators o n SC SI Ultra2 buses. Figur e 5. Mu[...]

Cheetah 18 Instal lation Guid e, Re v . A 27 Note. This driv e model plu gs directly in to a backp l an e c onnec- tor and t heref ore does n ot use cab l es. Figur e 6. Dr ive model “LC” with singl e 80-pi n I / O and pow er connect or J6 80-pin SCSI I/O Connector Pin 1 J2[...]

28 Cheetah 18 Instal lation Guid e, Re v . A Providin g adeq ua te co oling The encl osure desi gn must ensure adeq uate cool i ng f or the driv e. The max i mum ambient t emperat ure a l lo wed is 50 ° C. The dri ve’ s product m anual (83329260 ) describes h ow to e v alu- ate the ai r - flow des ign. The e valuat ion c onsists o f ensuring tha[...]

Cheetah 18 Instal lation Guid e, Re v . A 29 Kü hlun g des S y stems Die Gehä usek on struktion muß eine ausr eichende Kühl ung des Laufw erkes gewährlei sten. Di e Umgeb ungstemper atur d arf max - imal 50 ° C betr agen. Die Produk thandbuch Cheetah 18 (Dokument 83329260) enthalten An weisunge n zur Beur teilun g der Luftstr omkonstruk- tion[...]

30 Cheetah 18 Instal lation Guid e, Re v . A . Figur e 7. Suggest ed air flow Abbil dung 7. Empf ohlener Luft stromv erl auf Above unit Under unit Note. Air flows in the direction shown (back to front) or in reverse direction (front to back) Above unit Under unit Note. Air flows in the direction shown or in reverse direction (side to side)[...]

Cheetah 18 Instal lation Guid e, Re v . A 31 Mounting the drive and connecting cables Do not tou ch the connector pins or any com ponents on the con - tro l board wit hout observing static- discharge precaut i o ns. Alwa ys handle the driv e b y the fram e onl y . The dri ve ma y be m o unted in an y orien tation ( horizont ally , v er t i- call y [...]

32 Cheetah 18 Instal lation Guid e, Re v . A 1. Bef estigen Sie das Laufw erk mit vi er 6- 32-UNC-Schrau ben am Gehäu se des Host-Syst ems. Die beiden S eiten des Lauf werke s sind mit j eweil s zwei Bef esti gungs l ö chern ver sehen, die Untersei t e des Laufwerkes w eist vi er w eitere Bef esti gungslöcher auf . Gemess en von der Außenfläch[...]

Cheetah 18 Instal lation Guid e, Re v . A 33 defi ned i n IEC 950. Figur e 8 prov ides t he pin i nf orm ati on f or the DC po wer connec t or . T o connect the DC power cab l e to the dri ve , si mply insert the cabl e end int o t h e d ri v e’s DC powe r connect or . 4. Schli eße n Sie das SCSI-Kabel an den SCSI-Stec kv erbinder des Laufwer k [...]

34 Cheetah 18 Instal lation Guid e, Re v . A Note. Signal gr ound on the pow er control boar d asse m b ly (PCBA) and the head and disc ass embly (HD A) are con- necte d toge ther in thi s drive and y ou c annot separ ate them. The equi pment i n which yo u hav e mount ed the driv e is connect ed directly to the HD A and PCB A wi thou t elec trical[...]

Cheetah 18 Instal lation Guid e, Re v . A 35 elek tromagnet ische St rahlung fällt in d en Zust ändigkei ts- berei ch des Systemd esi gners . 5. Replac e the host sys tem’ s cov er . 5. Setz en Sie das Gehäu seoberteil des Host - Sy stems wiede r auf .[...]

36 Cheetah 18 Instal lation Guid e, Re v . A Figur e 9. Mounti ng confi guration dimensions (L W model ) Mounting holes are 6-32 UNC 2B, three on each side and four on the bottom. Max screw penetration into side of drive is 0.15 in. (3.81 mm). Max screw tightening torque is 6.0 in-lb (3.32 nm) with minimum full thread engagement of 0.12 in. (3.05 m[...]

Cheetah 18 Instal lation Guid e, Re v . A 37 Figur e 10. Mounti ng confi guration dimensions ( LC model) R J HL B S K [1] -Z- T // -Z- F [1] D E C G P -X- -X- U A M -Z- -Z- -X- N Mounting holes are 6-32 UNC 2B, three on each side and four on the bottom. Max screw penetration into side of drive is 0.15 in. (3.81 mm). Max screw tightening torque is 6[...]

38 Cheetah 18 Instal lation Guid e, Re v . A Formatting the drive W arni ng. Fo r mat ting a driv e er ases all user data. Be sur e that you underst and this pri nciple bef ore f ormatting an y hard di sc driv e. It is not necessary to f ormat a driv e that pre viou sly has b een used to st ore da ta, unle ss you r inten ti on is to er ase all user[...]

Cheeta h 18 Inst allation Guide, Re v . A 39 L W drives L W drives section Sett ing the SCSI ID jumpe rs Use th e J6 conne ctor to s et the SCSI ID (see Figure 11). T o change t he SCSI ID , inst all jumpers as sho w n in th e il lu strati on. Figur e 1 1. Set ting the SCSI ID on ST118202L W d r ives SCSI ID = 0 Jumper Plug (enlarged to show detail[...]

40 Cheetah 18 Instal lation Guid e, Re v . A L W drives T ermina t in g th e d r i ve ST118202L W dri ves do not ha v e internal te r minat ors or any other wa y of addin g internal t er mi nation t o the dri ve . Y ou must pro vide e xternal terminati on to these driv es when terminat i on is requi red. Thi s is nor mall y done by a dding an i n-l[...]

Cheeta h 18 Inst allation Guide, Re v . A 41 L W drives T er m in at or pow er Y ou can c onfig ure this driv e to sup ply terminat ion power to the SCSI b us by pl acing a jumper on J2 p ins 1 and 2. The def ault sett ing is n o jumper , mea ning that some oth er sour ce (other t han thi s driv e) is suppli ng termi n ation power to the SCSI bus .[...]

42 Cheetah 18 Instal lation Guid e, Re v . A L W drives Othe r a ppl i cabl e jum p er op tion s Se ver al other jumpe r options are a vai labl e as il lustra ted. S E D S M E W P P D R E S R E S T P J2 Pin 1 Pin 2 Enable parity check of SCSI bus (default). Disable parity check. Reserved Parity Check option Write protect = Off (enables writing – [...]

Cheeta h 18 Inst allation Guide, Re v . A 43 L W drives Figur e 1 3. A ddit ional jum per opt ions Figur e 1 4. Al ternate ID sel ect and LED connec tion SCSI ID = 0 SCSI ID = 1 SCSI ID = 2 SCSI ID = 3 SCSI ID = 4 SCSI ID = 5 SCSI ID = 6 SCSI ID = 7 SCSI ID = 8 SCSI ID = 9 SCSI ID = 10 SCSI ID = 11 SCSI ID = 12 SCSI ID = 13 SCSI ID = 14 SCSI ID = 1[...]

44 Cheetah 18 Instal lation Guid e, Re v . A L W drives Drive Active indicator The dri ve Activ e LED i ndicator connec tions ar e sho wn bel ow . Figur e 15. Drive Active LE D indic ator connect ions Jumper Plug (enlarged to show detail) Drive Front J6 Reserved Activity LED Reserved The shaded pins are shipped with a cover installed. Do not instal[...]

Cheeta h 18 Inst allation Guide, Re v . A 45 LC dr i v es LC drives section Sett ing the SCSI ID jumpe rs The SCSI I D f or ST1 18202LC driv es is normally set ov er the SCSI b us by th e host system . Y ou can also use the J 6 j u m pe r bl ock t o set t he SCSI ID (see Figure 16). Figur e 16. Setti ng the SCSI ID on ST11820 2LC drives SCSI ID = 0[...]

46 Cheetah 18 Instal lation Guid e, Re v . A LC dr ive s T ermina t in g th e d r i ve LC mode l dri ves do not ha ve int ernal terminator s or any othe r w ay of addi ng internal t ermination to the dr iv e. Y ou must p rovide e xternal t ermi nation t o these drives when t er minat ion is requi red. Si nce this driv e is desi gned t o be plugg ed[...]

Cheeta h 18 Inst allation Guide, Re v . A 47 LC dr i v es O the r appl i ca bl e jump er op tion s Other op tion jumpers ar e a vai lable as i llustr at ed below . Figur e 1 7. Additi onal jumper opt ions S E D S M E W P P D R E S R E S R E S J2 Pin 1 Pin 2 Enable parity check of SCSI bus (default). Disable parity check. Reserved Parity Check optio[...]

48 Cheetah 18 Instal lation Guid e, Re v . A LC dr ive s WC/DC drives section D rive Active indicator The dri ve Activ e LED i ndicator connec tions ar e sho wn bel ow . Figur e 18. Drive Active LE D indic ator connect ions Jumper Plug (enlarged to show detail) Drive Front J6 Reserved Activity LED Reserved The shaded pins are shipped with a cover i[...]

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Seagate T ec h no logy , I nc . 920 Disc Drive, Scotts V alley , CA 95066-4544, USA Publ icatio n Nu mb er: 8332925 0, Re v . A, Pri n ted in USA[...]