Instruction/ maintenance manual of the product W Seagate
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Contents Pref ace......... ........... ................. ........... ........... ........... ............ ....... 1 Electros tati c disch arg e protectio n ....... ...... ........... ..... ............ ..... .. 2 Important saf ety inf ormation and pre cautions.
Chee tah 4LP Instal lati on Guide, R ev . B 1 Pref ace This manual conta ins infor mati on for user s of the Seaga te® Cheeta h 4L P SCSI di sc driv es. It pro vide s s upp ort ser vices , p er- f or man ce speci ficati ons, an d initi al setu p inf or ma tion.
2 Che etah 4L P Installa tion Gui de, Re v . B Electrostatic discharge protection Caution. R emo v al of ci rcuit b oards b y pers onnel not pe rform- ing depo t repai r will damag e compon ents a nd ma y v oid the w arranty .
Chee tah 4LP Instal lati on Guide, R ev . B 3 Important safety inf ormation and precautions Caution. Us e f orced-air v entila tion when bench-tes ting th e dri ve to ensu re pr op er co oling of dr ive compo nent s. Use proper s af ety te chniques f or saf e, reliab le oper atio n of this unit.
4 Che etah 4L P Installa tion Gui de, Re v . B • Do no t separ ate th e head and di sc a ssemb ly (HD A) from th e PCB . Return the entire driv e f or depot repai r if t he HD A is defective. • Do not a ttempt to di sassem b le the HD A. It is not field repair- ab le.
Chee tah 4LP Instal lati on Guide, R ev . B 5 Wichtige Sicherheitshinweis e V orsic ht. Beim T este n des Lauf werk s auf de m Prüfti sch ist F remdbelüftun g v orzusehen, um eine a usreic hende Kühlun g der Lauf werkk omponen ten si cherz ustellen .
6 Che etah 4L P Installa tion Gui de, Re v . B • T reffen Sie beim Betrieb , bei der Install ation od er bei der Entf er nun g der Einheit ange mess ene Sich erheits v orkehru n- gen. • W enn e ine Ei nheit unt er Span nung steh t, gehen Sie be i der F ehlerdiagnose be sonder s v orsichti g v or .
Chee tah 4LP Instal lati on Guide, R ev . B 7 digen hat e ine Be schä digung der K omponen ten un d Er lösch en des Gara n tiean spru chs zur Folge. Als T eilk ompo nente i st dies es Lau fwe rk für di e Ins tallati on un d den Betrieb in Übereinstimmung mit UL 1950, EN60950, CSA C22.
8 Che etah 4L P Installa tion Gui de, Re v . B Regulatory agency compli ance Electr omagnetic susce ptibility As a comp onent as semb ly , the drive is not required to meet an y suscepti bility perf ormance requirem ents .
Chee tah 4LP Instal lati on Guide, R ev . B 9 Electr omagnetic compli ance f or the Europea n Union If this mo del has the CE Marking it com plies with the Euro pean Union requi rements o f the Electr.
10 Chee tah 4LP Instal lati on Guide, R ev . B Seagate technical support ser vices If y ou need assi stance in stalli ng y our drive , consul t y our deal er . Deale rs are f amiliar wi th their uniq ue sys tem confi gur ations an d can he lp you wit h system confli cts a nd othe r techni cal i ssues.
Chee tah 4LP Instal lati on Guide, R ev . B 11 Seagate CompuSer ve f orum Onlin e techn ical s uppor t f or Sea gate pr oducts is av ailable on Comp uServe . T o access our technic al supp or t f orum, type go seagat e . This f orum pro vi des inf or mation si mi lar to that f oun d on SeaBO ARD .
12 Chee tah 4LP Instal lati on Guide, R ev . B F AX service s SeaF AX ® Y ou can use a to uch-to ne telep hone to acce ss Seag ate’ s auto- mated F AX sy stem to rece ive techn ical sup port inf ormation b y return F AX. This service is a v ail able 24 hou rs daily .
Chee tah 4LP Instal lati on Guide, R ev . B 13 Direct-support ser vices Seagate tec hnical suppo rt F or one-on-one help , yo u can ta lk to a tec hnica l supp or t specia l- ist du ring loca l b usi ness hours . Bef ore callin g, note yo ur sy stem configu r ation and driv e model n um ber (ST xxxx ).
14 Chee tah 4LP Instal lati on Guide, R ev . B Customer serv ice centers Seag ate dir ect OEM, Distr ibuti on, and System s Integra tor cus - tomers s hould conta ct their Seagate service represen tativ e for wa rranty inf ormat ion. Ot her cus tomers shoul d conta ct their p lace of pu rchase .
Chee tah 4LP Instal lati on Guide, R ev . B 15 General description Cheeta h 4LP SCSI disc driv es are hig h-spee d, ra ndom-acc ess digital -dat a stor age de vices . The dri ve is a component for installat ion in an enclosu re designed for the drive.
16 Chee tah 4LP Instal lati on Guide, R ev . B T a ble 1. Drive chara c teris tics Char acteristi cs of the v ar ious driv es co vered b y this man ual are given in t he followin g tables. Interf ace type: SCSI F ast-20 ( also c alled Ultra SCSI 1 ) Cyli nders (use r acce ssab le): 6,526 Disk rota tion: 10,033 r/m in ±0.
Chee tah 4LP Instal lati on Guide, R ev . B 17 T able 1a. Additiona l drive c haract eristics Legend f or f ollow ing tab le listing oth er driv e c harac teristics : A = ca pacit y , unf or matted , Gb ytes B = ca pacit y , f ormatted, G byt es 1 C = n umber of read/write da ta head s D = ma x.
18 Chee tah 4LP Instal lati on Guide, R ev . B T able 2. DC po wer requ irem ents (Amps ) 1 Measu red with an a ver age re ading DC ammete r . Instanta- neous + 12V current peaks will e xceed th ese v alues. 2 A –10% to leran ce is permissib le du ring initi al start of the spi n- dle b ut m ust return to ±5% bef ore reaching 10,0 00 RPM.
Chee tah 4LP Instal lati on Guide, R ev . B 19 5 See “Co nducted n oise immun ity” in th e Cheetah 4 LP Product Manual . The s peci fied volta ge to leranc e is i nclus ive of ri pple, noise , and tran sient respon se .
20 Chee tah 4LP Instal lati on Guide, R ev . B Init ial se tup i n formatio n The gener al i nf or m ation be ginni ng on this page applie s to all of the Ch eetah 4L P driv e mo dels .
Chee tah 4LP Instal lati on Guide, R ev . B 21 SCSI ID jumpers Each de vice on th e SCSI chain m ust hav e a u nique S CSI ID . The host s ystem’ s SCSI contr oller us ually use s the ID that ha s the high est priority inte rrupt in the SCSI I/O system.
22 Chee tah 4LP Instal lati on Guide, R ev . B the cas e, chan ge the ID s o that eac h de vice on the SCSI chai n has its o wn uniq ue ID . Also c heck y our sy stem o r cont roller user’ s manu al to en sure that y ou hav e not violated its SCSI ID numbe r ing recom menda tions.
Chee tah 4LP Instal lati on Guide, R ev . B 23 Figure 2. SCSI bus termina tion T erminator po wer Y ou usual ly w ill not ne ed to c hange this opti on and can no rmally leave the dr ive confi gure d as it was s hippe d from th e factor y .
24 Chee tah 4LP Instal lati on Guide, R ev . B Figures 3a, 3b , 3c, and 3 d sho w typical driv e connec tions . The f ollowing tab le lists the maxi mum cabl e lengths and nu mber of de vic es wit h sin gle-en ded I/ O ci rcuits a llo wed on a dais y-chai n cab le f or 5 and 20 Mb ytes/sec I/O data tr ansf er rates .
Chee tah 4LP Instal lati on Guide, R ev . B 25 Figure 3a. 50-pin I/O connectio n to drive Figure 3b. 68-pin I/O connection to dri ve.
26 Chee tah 4LP Instal lati on Guide, R ev . B [1] “X” means up to 6 or the maximum allowab le number of de vic es on the SCSI bus . See system documentation.
Chee tah 4LP Instal lati on Guide, R ev . B 27 [1] “X” means up to 15 or the maximum allowab le number of devices on the SCSI bus . See system documentation and T able 4.
28 Chee tah 4LP Instal lati on Guide, R ev . B Note. This driv e mo del pl ugs direc tly i nto a b ack plane conne c- tor and th eref ore uses no ca b les.
Chee tah 4LP Instal lati on Guide, R ev . B 29 Pro v iding adequate cooling The e nclosure desi gn mus t ensu re ade quate c ooling f or the drive . The maxim um ambient tem pera ture is 50 ° C. The d rive’ s product man ual (83 32912 0) desc ribes ho w to e val u- ate the air-flow desi gn.
30 Chee tah 4LP Instal lati on Guide, R ev . B Kühlung des Systems Die Gehäusekonstr uktion m uß eine ausr eichende Kü hlung des Laufwerk es ge währleisten. Die Umgeb ungstem peratur darf maxima l 50 ° C betragen. Die Produkthandb uch Cheetah 4LP (Dokument 83329120) enthalt en A nweisun gen z ur B eur te ilung der Luft stro mkonstr uk- tion.
Chee tah 4LP Instal lati on Guide, R ev . B 31 . Figure 4. Suggested air flo w Abbildung 4 . Empf ohlener Lufts trom verlauf 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.
32 Chee tah 4LP Instal lati on Guide, R ev . B Mounting the drive and connecting cables Do no t touch th e connec tor pi ns or any c omponen ts on the co n- trol b oard wit hout ob serving stat ic-dis charg e preca utions . Alw ay s han dle the driv e by th e frame only .
Chee tah 4LP Instal lati on Guide, R ev . B 33 1. Bef estigen Sie das Laufwerk mit vier 6-32-UNC-Schrauben am Gehäuse de s Host-Systems. D ie beiden Sei ten des Lauf werk es sind mi t je weils zw ei Bef est igungs löc hern verseh en, die Unterseite des Laufwerkes weist vier w eitere Bef esti gungslöc her auf .
34 Chee tah 4LP Instal lati on Guide, R ev . B defined in IEC 950. Figure 5 provid es the p in inf or mation f or the DC p ower conn ect or. T o con nect the DC power cable to the driv e, si mply insert the cable end into the driv e’s DC pow er connector .
Chee tah 4LP Instal lati on Guide, R ev . B 35 Note. Signal grou nd on the pow er control board (PCB) and the head an d di sc as s em b l y ( HD A) are con ne cte d to get her i n this driv e and you ca nnot se para te them.
36 Chee tah 4LP Instal lati on Guide, R ev . B elektrom agnet ische Strah lung fällt in den Zuständig k eits- bereich des Sy stem designers . 5. R ep lace t he hos t syst em ’ s cov er . 5. Setz en Sie das Ge häuse oberteil des Host-S ystems w ieder auf.
Chee tah 4LP Instal lati on Guide, R ev . B 37 Figure 6. Moun ting confi guration dimen sions A F .050 in. (1.27mm) minimum clearance L D G E C [3] [1] B H M K J J2 [4] [2] J6 LED Mounting holes three on each side, 6-32 UNC. Max screw length into side of drive 0.
38 Chee tah 4LP Instal lati on Guide, R ev . B Formatting the drive W arning. F ormatting a driv e erases all user dat a. Be sure th at yo u unders tand thi s principle be f or e f ormatting an y hard disc drive .
Cheeta h 4LP Inst allati on Guide , Rev . B 39 N drives N drives sectionb Setting the SCSI ID jumpers Use the J6 conne ctor to s et the SCSI ID (s ee Figure 7) . T o change the SCSI ID , install jumpers on the appro priate pins as sho wn i n the illu strat ion.
40 Chee tah 4LP Instal lati on Guide, R ev . B N dri ves T er min at ing t he d ri ve “N” mod el dr ives are t ermi nate d with p erm anent ly moun ted IC active te rmi nators.
Cheeta h 4LP Inst allati on Guide , Rev . B 41 N drives T erminator po wer There are three po ssib le ter minat or po wer ( TP ) confi gurat ions f o r “N” model d rive s (see Fi gure 9 ). Y ou will not n ormally need to change this opti on an d can leav e the driv e c onfig ured as it w as shippe d from the f actory .
42 Chee tah 4LP Instal lati on Guide, R ev . B N dri ves Other applicable jumper options Sev eral ot her j umper opti on s are available as illu strat ed.
Cheeta h 4LP Inst allati on Guide , Rev . B 43 W/WD dri ves W/WD dr ives section Setting the SCSI ID jumpers Use t he J6 ju mper b lock to set th e SCSI ID (Figur e 11). T o change the SCSI ID , install jumpers on the appro priate pins as sho wn i n the il lustr ation .
44 Chee tah 4LP Instal lati on Guide, R ev . B W/WD dri ves Figure 12. Model “ W” and “WD” driv e alternat e ID sel ect and LE D connect ion SCSI ID = 0 SCSI ID = 1 SCSI ID = 2 SCSI ID = 3 SCS.
Cheeta h 4LP Inst allati on Guide , Rev . B 45 W/WD dri ves T er min at ing t he d ri ve “W” model driv es are ter minated w ith permanently mounted IC active te rmi nators.
46 Chee tah 4LP Instal lati on Guide, R ev . B W/WD dri ves T erminator po wer There are three po ssib le ter minat or po wer ( TP ) confi gurat ions f o r “W” model driv es (see F igure 14 ). Y ou will not normally need to chan ge thi s opt ion an d can le a v e the driv e co nfigured a s it wa s shippe d fr om the f actory .
Cheeta h 4LP Inst allati on Guide , Rev . B 47 W/WD dri ves Other applicable jumper options Other o ption jum pers ar e av ailab le as ill ustr ated be low .
48 Chee tah 4LP Instal lati on Guide, R ev . B WC/DC drive s WC/DC drives section Setting the SCSI ID jumpers The SCSI ID f or “WC” and “DC” model driv es is nor mal ly set ov er the SCSI b us b y the host system using conn ector c ontact s 39 (ID0), 40 (ID2 ), 79 (ID1), and 80 (ID3).
Cheeta h 4LP Inst allati on Guide , Rev . B 49 WC/DC drives Applicable jumper options Option jump ers are av ailabl e as i llustr ated belo w . Figure 16.
50 Chee tah 4LP Instal lati on Guide, R ev . B All drives All drives (LED c onnections) Drive Acti ve indicator The d rive Ac tiv e LED indicato r conne ction s are s how n belo w . Figure 17. Drive Active LED indicat or connec tions J6 Reserved Activity LED Reserved The shaded pins are shipped with a cover installed.
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Seagate T e chnolog y , Inc. 920 Disc Dri ve, Scott s V alley , CA 950 66-4544, USA Pub licati on Num ber: 83329110, Re v . B, Printed in USA.
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