Manuale d’uso / di manutenzione del prodotto ST373453LC del fabbricante Seagate
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Prod uct Ma nu al Chee t ah 15 K.5 FC 10038 4772 Rev . F Aug ust 2007 ST33 00655F C ST31 46855F C ST37 3455FC.
©2007, Se agate T echnology LLC All righ ts reserved. Pub lication nu mber: 10038477 2, Rev . F (Draft 1) No vember 200 7 Sea gate, Sea gate T echnology and th e W ave logo are registered trade marks of Seagat e T echnology LLC in the United S t ates and/or other countries.
Cheetah 1 5K.5 FC Pro duct Manua l, Rev. F i Cont ent s 1.0 S cope . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 2.0 Ap p lic able standa rds and refe r e nce document ation .
ii Cheet ah 15K.5 FC Prod uct Manual, R ev. F 6.4.1 T e mperature . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31 6.4.2 Relat ive humidity . . . . . . . . . . . . . . . . . . . . . . . . . . .
Cheetah 1 5K.5 FC Pro duct Manua l, Rev. F iii 9.5.12 D evice contr ol codes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 71 9.6 S ignal ch aracteristic s . . . . . . . . . . . . . . . . . . . . . . . . . .
iv Cheet ah 15K.5 FC Prod uct Manual, R ev. F.
Cheetah 1 5K.5 FC Pro duct Manua l, Rev. F v List o f Figur es Figure 1. Typical ST330065 5FC drive, 4 Gbi t, +12V cur rent prof ile . . . . . . . . . . . . . . . . . . . . . . . . . . . 26 Figure 2. Typical ST330065 5FC dri ve, 4 Gbit, + 5V current p r ofile .
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Cheetah 1 5K.5 FC Pro duct Manua l, Rev. F 1 1.0 S cope This ma nual describes Sea gate T echnolog y ® LLC, Cheet ah ® 15K.5 FC (Fibr e Channel ) disc dri ves. Che etah 1 5K . 5 FC dri ves suppo rt the Fibre Ch annel Arbitrat ed Loop and S CSI Fi bre Cha nnel Protocol sp ecifi - catio ns to the extent de scribed in this manual.
2 Cheet ah 15K.5 FC Prod uct Manual, R ev. F.
Cheetah 1 5K.5 FC Pro duct Manua l, Rev. F 3 2.0 Appl icable st andards an d reference docum ent ation The dr ive has been d evelope d as a system p eriphe ral to the hig hest st and ards of design and constru c tion.
4 Cheet ah 15K.5 FC Prod uct Manual, R ev. F 2.1.2 Elect roma gn etic com plia nce Seag ate uses an i ndepend ent lab oratory to confirm comp liance with t he directi ves/stand ards for CE Ma rking and C-T ick Marking. The dr ive was tested in a r epres ent ative system for typical applications.
Cheetah 1 5K.5 FC Pro duct Manua l, Rev. F 5 Seag ate also h as internal system s in place to en sure ongoing complian ce with the RoHS Direct ive and all laws and regu lations which restr ict chemical conte nt in el ectron ic produ cts.
6 Cheet ah 15K.5 FC Prod uct Manual, R ev. F.
Cheetah 1 5K.5 FC Pro duct Manua l, Rev. F 7 3.0 General d escription Cheet ah 15K .5 FC drive s provide high perfor man ce, high cap acity dat a stor age for a variety of systems includ - ing engi neering wor kstations, n etwork server s, mainframe s, and supercompute r s.
8 Cheet ah 15K.5 FC Prod uct Manual, R ev. F 3. 1 St a ndar d feat u re s Cheet ah 15K.5 FC dr ives have the f ollowing st andard featur es: • Perp endicula r recordi ng techn ology • 4-Gbi t Fibr.
Cheetah 1 5K.5 FC Pro duct Manua l, Rev. F 9 3.3 P erform ance • Prog rammable multi-segme ntabl e cache buf fer • 800 Mb ytes/sec maximum inst antaneous d ata transfers per port • 15k R PM spindle ; average lat ency = 2.
10 Cheet ah 15K.5 FC Prod uct Manual, R ev. F change the capa city it is currently for matted to have. A numb er in the number of blocks field that is less than the ma xi mum number of LB As chang es the tot al drive cap acity to th e value in the block descri ptor nu mber of blocks field.
Cheetah 1 5K.5 FC Pro duct Manua l, Rev. F 11 4.0 Performance cha racteristics This secti on pr ovides det ailed informa tion concernin g perfor mance-re l a ted charact e risti cs and fe atures of Che etah 15 K .5 FC dri ves. 4.1 Int e rnal dr iv e charac terist i c s ST3300655FC ST3146855FC ST373455FC Drive capacity* 300.
12 Cheet ah 15K.5 FC Prod uct Manual, R ev. F 4.2.2 For m a t command execution time (minut es) 4.2.3 Ge neral perf orma nce cha racter istics 4.3 St a rt/st op tim e If the Mot or S tar t option is disabled, the drive become s ready with in 20 seconds af ter DC power is app l ie d.
Cheetah 1 5K.5 FC Pro duct Manua l, Rev. F 13 the app li ca ble bytes i n pag e 08h. P refetch and cache oper ations are independent features f r om the stan dpoint that each is enabled a nd disabled .
14 Cheet ah 15K.5 FC Prod uct Manual, R ev. F If the numb er o f write dat a logical blo cks excee d the size o f the segm ent b eing wr itten into, wh en th e en d of the segment is re ached , the da.
Cheetah 1 5K.5 FC Pro duct Manua l, Rev. F 15 5.0 Reliabili ty specifi cations The follow ing reliab ility specificat ions assume correct hos t and driv e ope ration al int erface, inclu ding all i nter - face timi ngs, power supply volt ages, environ mental requi remen ts and d r ive m ounting constraint s.
16 Cheet ah 15K.5 FC Prod uct Manual, R ev. F 5.1.3 Seek errors A seek err or is defined as a failure of the dri ve to pos ition the heads to the ad dressed track. Aft er detecting an initia l seek error , the drive autom atic ally perf orms an error recover y process.
Cheetah 1 5K.5 FC Pro duct Manua l, Rev. F 17 The Pass-thro ugh st ate is disabled while the drive perfo rms se l f test of the FC interface. T he control l ine for an externa l por t bypass cir cuit rema ins in the Enable By pass state wh i le self test is runnin g.
18 Cheet ah 15K.5 FC Prod uct Manual, R ev. F Re po rti ng co ntr ol Reporti ng is controlled by the MRI E bits in the Info rmational E xceptions C ontrol mode page (1Ch). Subject to the repo rting method, th e firmw are will issue to th e ho st an 01-5D xx sense code.
Cheetah 1 5K.5 FC Pro duct Manua l, Rev. F 19 be use d to set this trip point. The default value for this drive is 68°C, how ever , you can set it to any val ue in the range of 0 to 68°C. If you speci fy a tem perature greater than 68°C i n this fi eld, the temperature is roun ded down to 68 °C.
20 Cheet ah 15K.5 FC Prod uct Manual, R ev. F • Motor will not spin • Motor will not lock to speed • Servo will not lock on track • Drive cannot rea d configurat i o n tables f rom the disc In these conditions, the d rive respond s to a T est Unit Rea dy command with an 0 2/04/00 or 02/04/03 co de.
Cheetah 1 5K.5 FC Pro duct Manua l, Rev. F 21 The dr ive will report the failur e condition an d LBA (if ap plicable) in the Self-test Re sults Log p a r ameter . The Sense key , A SC, A SCQ, and FRU are used to r eport the failure co ndition. 5.2.6.2.
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Cheetah 1 5K.5 FC Pro duct Manua l, Rev. F 23 6.0 Physical/el ect rical specific ations This secti on pro vides infor mation re lating to the physical and electrical chara cteristics of the d rive. 6.1 AC po wer requ i r em ent s None. 6.2 DC po wer requ i r em ent s The voltage and current requir ements for a single d rive a re shown below .
24 Cheet ah 15K.5 FC Prod uct Manual, R ev. F [1] Measur ed with average r eading D C ammete r . Instan taneous +12V current peaks will exceed these val - ues. P ower suppl y at nomina l voltage. N ( number of drives tested) = 6, 35 Degr ees C ambient .
Cheetah 1 5K.5 FC Pro duct Manua l, Rev. F 25 314 I/Os pe r second for ST314685 5FC and ST373455F C models. Current and p ower specified at no mi - nal volt ag es. Decrea sing +5 vol t supply by 5% increases 5 V o lt curre nt by 3.5% . Decreasin g +12 volt sup - ply b y 5% increa ses 12 volt current b y 2.
26 Cheet ah 15K.5 FC Prod uct Manual, R ev. F Not e: All times and currents are typical. See T ables 2, 3, and 4 f or maximum current requirements. Figure 1.
Cheetah 1 5K.5 FC Pro duct Manua l, Rev. F 27 Figure 3. T yp ical ST3146855FC dr ive, 4 Gbit, + 12V current profile Figure 4. T yp ical ST3146855FC dr ive, 4 Gbit, + 5V current profile.
28 Cheet ah 15K.5 FC Prod uct Manual, R ev. F Figure 5. T yp ical ST373455FC dr ive, 4 Gbit, + 12V current profile Figure 6. T yp ical ST373455FC dr ive.
Cheetah 1 5K.5 FC Pro duct Manua l, Rev. F 29 6. 3 Po wer diss ipatio n ST3 300655FC T ypical power dissi pation under idle co nditions in 4 Gbit opera tion is 13.3 watt s (45.4 BT Us per hour ). T o obtain oper ating power for typical rando m read opera tions, refer to the following I/O ra te curve (see Figure 7 ).
30 Cheet ah 15K.5 FC Prod uct Manual, R ev. F ST3 146855FC T ypical power dissi pation under idle condi tions in 4 Gbit opera tion is 10.56 wat ts (36.0 BTU s per hour ). T o obtain oper ating power for typical rando m read opera tions, refer to the following I/O ra te curve (see Figure 7 ).
Cheetah 1 5K.5 FC Pro duct Manua l, Rev. F 31 ST3 73455FC T ypical power dissi pation under idle co nditions in 4 Gbit opera tion is 9.12 watt s (31.1 BT Us per hour ). T o obtain oper ating power for typical rando m read opera tions, refer to the following I/O ra te curve (see Figure 7 ).
32 Cheet ah 15K.5 FC Prod uct Manual, R ev. F b. Non -operating –40° to 1 58°F (–40° to 70°C) package ambi ent with a maximum gradient of 36°F (20°C) per hour . This speci fication assumes that th e dr iv e is p ackaged in the shipping cont ain er designe d by Seagate for use w ith drive.
Cheetah 1 5K.5 FC Pro duct Manua l, Rev. F 33 b. Operati ng—abno rmal Equipm ent, as in stalle d for norma l operat ion, does not incur physical damage while subjected t o intermit - tent shock not exceeding 40 Gs at a maxi mum du rati on of 1 1 msec (half sinew ave).
34 Cheet ah 15K.5 FC Prod uct Manual, R ev. F Figu re 1 1 . Reco m m e nde d moun t i n g Z Y X Z Y X.
Cheetah 1 5K.5 FC Pro duct Manua l, Rev. F 35 6.4.4.2 V ibrat ion a. Operati ng—nor mal The dr ive as inst alled for normal oper ation, shall co mply wit h the comp lete specified perf ormance while subjected t o continuous vibr ation not exce eding 10-500 Hz @ 0.
36 Cheet ah 15K.5 FC Prod uct Manual, R ev. F Users shoul d use cau tion exposing an y electronic component s to uncontrolled chemical poll utant s and corro - sive chemi cals as el ectroni c dr ive com ponen t reliab i lity can be af fected by the i nst allation environmen t.
Cheetah 1 5K.5 FC Pro duct Manua l, Rev. F 37 6. 5 M echa nica l s peci fic ation s The follow ing nominal dimensions ar e exclusive of the decorati ve front pa nel accessory . However , dime nsions of the fro nt panel ar e shown in figu re below . Refer to F igure 12 for deta i led mou nting conf iguration dime nsions.
38 Cheet ah 15K.5 FC Prod uct Manual, R ev. F.
Cheetah 1 5K.5 FC Pro duct Manua l, Rev. F 39 7.0 Defect and error management Seag ate continues to use innovative techno logies to ma nage defect s and errors. T hese technol ogies are designed to increase da ta integr ity , perform drive se lf-m aintenance, an d validate pro per drive o peration.
40 Cheet ah 15K.5 FC Prod uct Manual, R ev. F The drive firmware error recove ry algorithms consist s of 1 1 levels for re ad recoveries and five level s for write. Each level may consist of m ultiple steps, where a step is defined as a recovery functi on involvi ng a sin gle re- read or re-write a ttempt.
Cheetah 1 5K.5 FC Pro duct Manua l, Rev. F 41 [1] These va lues are subje ct to change. Setting these r etry counts to a value bel ow the default setti ng could result in a n increased unrecover ed error rate w hich may excee d the value given i n this pro duct manual.
42 Cheet ah 15K.5 FC Prod uct Manual, R ev. F With BMS, the host system can consu m e less power and system over head by only checking BMS sta tus and result s rat her than tying up th e bus a nd consu ming p ower i n the pr ocess o f host- initiated medi a scanning activ - ity .
Cheetah 1 5K.5 FC Pro duct Manua l, Rev. F 43 8.0 Inst allatio n Cheet ah 15K.5 FC disc drive inst allation is a plug- and-play pro cess. There are no jumper s, switch es, or termi - nators on th e driv e. Simply plug the dr ive i n to the host’s 40- pin Fibre Channe l backp anel connector (FC - SCA) — no cables ar e requi red.
44 Cheet ah 15K.5 FC Prod uct Manual, R ev. F If forced ai r is necessary , possible air- flow patterns are shown i n Figure 13. The ai r-flow pa tterns are created by fans either forcing or draw ing air as shown in the illustrat ions.
Cheetah 1 5K.5 FC Pro duct Manua l, Rev. F 45 8.5 G round ing Signal ground (PCB A) and HDA groun d are connected t oget her in the drive an d cannot be sep arated by the user . The eq uipment in which the drive i s mounted is connecte d di rectly to the HDA and PCBA with no elect ri - cally isolating shock mounts .
46 Cheet ah 15K.5 FC Prod uct Manual, R ev. F.
Cheetah 1 5K.5 FC Pro duct Manua l, Rev. F 47 9.0 Interface requ i rement s This secti on pa r tiall y describes the interface re quirement s as implemented on C h eetah 1 5K . 5 FC driv es. Addi - tion al informatio n is provided in the Fibre Ch annel Interf ace Manual ( part n umber 1002930 70).
48 Cheet ah 15K.5 FC Prod uct Manual, R ev. F 9.1. 2 Fib re Cha n nel t as k mana gem ent fu nct ions T able 7 list s the F ibre Chann el SCS I Fibre Channel Prot ocol (FC SCSI FCP ) ta sk management functio ns sup - ported .
Cheetah 1 5K.5 FC Pro duct Manua l, Rev. F 49 9.1.4 Fibre Ch annel port login T able 9 identifies the required conten t of the N_Port L ogin (PLOGI) p ayload from a n initiator .
50 Cheet ah 15K.5 FC Prod uct Manual, R ev. F 9.1.5 Fibre Ch annel por t login accept T able 10 id entifies the N _Port Logi n access p ayload val ues. 9.1.6 Fibre Ch annel Pro cess Lo gin T able 1 1 lists the process login payl oad dat a. XX Indicates fields that are not used.
Cheetah 1 5K.5 FC Pro duct Manua l, Rev. F 51 9.1.7 Fibre Ch annel Pro cess Lo gin Accept T able 12 list s Cheet ah 15K.5 FC process log in accept p ayload dat a. 9.1.8 Fibre Ch annel fabr ic login T able 13 list s the fabri c login p ayload fr om the drive.
52 Cheet ah 15K.5 FC Prod uct Manual, R ev. F 9.1.9 Fibre Ch annel fa bric ac cept lo gin T able 14 list s the req uired conten t of the Fa bric Login Accept ( A CC) payload from the fabric.
Cheetah 1 5K.5 FC Pro duct Manua l, Rev. F 53 9.1.10 Fibre Ch annel Arbit r at ed Loop o p t ions T able 15 list s the FC- AL options supported b y Cheetah 15K .5 FC drives. 9.2 Dual port su pport Che etah 1 5K .5 FC drives have two inde pendent F C-AL po rts.
54 Cheet ah 15K.5 FC Prod uct Manual, R ev. F 9. 3 SC SI c omm and s su ppor ted T able 16 list s the SCSI co mmands sup ported by Cheet ah 15K.5 FC dr ives.
Cheetah 1 5K.5 FC Pro duct Manua l, Rev. F 55 Y V erify error recovery page (07h) Y Caching parameters page (08h) Y Control mode p age (0Ah) Y Fibre Channel Interface C ontrol p age (19h) Y Power cont.
56 Cheet ah 15K.5 FC Prod uct Manual, R ev. F 32h N Search data low 33h N Set limits 34h N Prefetch 35h Y Synchronize cache 36h N Lock-unlock-cache 37h Y Read defect data 39h N Compare 3Ah N Copy and .
Cheetah 1 5K.5 FC Pro duct Manua l, Rev. F 57 [1] Che etah 15 K.5 FC dr ives can format to 5 12, 520, 52 4 or 528 bytes per logical block. [2] Wa r n i n g . Power lo ss during fla sh programmin g can resul t in fi rmware co rruption. This usual ly makes the driv e inoperab le.
58 Cheet ah 15K.5 FC Prod uct Manual, R ev. F 9.3.1 Inqu iry dat a T able 17 list s the Inq uiry command d ata that th e drive sh ould retur n to the initiator p er the forma t given in the Fibre Ch anne l Interface Manual . * Copyright year (changes with actual y ear).
Cheetah 1 5K.5 FC Pro duct Manua l, Rev. F 59 On standa rd OEM drives, the saved values are taken from the default values list and store d into the saved values stor age location on the media p rior to shippi ng. 3. Current values Curren t values are volatile val ues being used by the drive to contro l i t s oper ation .
60 Cheet ah 15K.5 FC Prod uct Manual, R ev. F T able 18: Mode Sense data saved, default and changeab le values for ST 3300655FC drives MMODE SENSE (10 BYTE) HEADER DATA 00 ae 00 10 00 00 00 08 22 ec b.
Cheetah 1 5K.5 FC Pro duct Manua l, Rev. F 61 T able 19: Mode Sense data default and changeable values fo r ST3146855FC drives MODE SENSE (10 BYTE) HEADER DATA 00 ae 00 10 00 00 00 08 11 17 73 3 0 00 .
62 Cheet ah 15K.5 FC Prod uct Manual, R ev. F T able 20: Mode Sense data default and changeable values fo r ST373455FC drives MODE SENSE (10 BYTE) HEADER DATA 00 ae 00 10 00 00 00 08 08 8b b9 9 8 00 0.
Cheetah 1 5K.5 FC Pro duct Manua l, Rev. F 63 9. 4 M iscel la neous oper ati ng fe atur es a nd c ondit ions T able 21 lists vari ous featur es and cond i tions. A “Y ” in the support column i ndicates the feature or con dition is support ed. An “N” in th e support co l umn i ndicates th e feature or con dition is no t supported.
64 Cheet ah 15K.5 FC Prod uct Manual, R ev. F 9.5 FC -AL ph ysic al inte rface Figure 14 shows the location o f the J1 Fibre C hannel si ngle conn ection att achment (FC-SC A). Figure 16 pro - vides the d i mensi ons of th e FC-SCA connector . Det ails of the ph ysical, electrical, an d l ogical characteristi cs are provide d within this secti on.
Cheetah 1 5K.5 FC Pro duct Manua l, Rev. F 65 9.5.2 Conn ector req u irem ents The F C-A L SC A device conn ector i s illu strat ed in F i gur e 16. Co nt act your pr eferr ed co nnecto r vend ors fo r m at - ing conne ctor part num bers. Figure 16. FC-AL SCA device connector dimensions 9.
66 Cheet ah 15K.5 FC Prod uct Manual, R ev. F T able 23: FC-SCA pin descriptions *Short p ins in mating backp anel connector . [1] This pin may be connecte d to external l ogic to d etect the presen ce of the drive. The drive conn ects this pin to the comm on ground .
Cheetah 1 5K.5 FC Pro duct Manua l, Rev. F 67 9.5.6 P ower Power is supplied through the F C-SCA with support for +5 volt s and +12 vo lts. All of the voltag e pins in the drive con nector are the sa me length. Four 12 volt pins provi de +12 volt power to the drive.
68 Cheet ah 15K.5 FC Prod uct Manual, R ev. F 9.5.8 Active L ED Out The Ac tive LED Ou t signal is driven b y the drive as in dicated in T able 24. The Ac tive LED Out signal is design ed to pull do wn the cathode of an LED. T he anode is att ached to the proper +5 volt supply through an appr opriate current limi ting resistor .
Cheetah 1 5K.5 FC Pro duct Manua l, Rev. F 69 9.5.1 1 SEL_6 through SEL _0 ID l ines The S EL_6 throu gh SEL_0 ID lines de termine dr ive address, and, option ally , for an Enclosure Servic es Inter - face. W hen th e Parall el E SI line is high, the en cl osure backp ane l must pr ovide add ress info rma tion on the SEL line.
70 Cheet ah 15K.5 FC Prod uct Manual, R ev. F T able 26: Arbitrated loop physical address (AL_P A ) values AL_ P A (hex) SEL I D (hex) Setting (dec) AL_P A (hex) SEL I D (hex) Setting (dec) AL_P A (he.
Cheetah 1 5K.5 FC Pro duct Manua l, Rev. F 71 9.5.12 Device co ntrol co des The dr ive input s a Device Con trol Code on the DEV _CTRL_C ODE lines at pow er up to de termine the l ink rate on the Fi bre Channe l port s. Both ports r un at the same rat e.
72 Cheet ah 15K.5 FC Prod uct Manual, R ev. F 9.6.2 LED d river sign als Fault and Active LED signal s are located in the FC-SC A connector (J1) . See T able 29 for the output character - istics of the L ED drive signals. 9.6. 3 FC Di ff er ent ial outpu t The ser ial o utput signal v oltage char acteris tics are provided in T able 3 0.
Cheetah 1 5K.5 FC Pro duct Manua l, Rev. F 73 Figure 19 provides the da ta valid eye diagram for typical and m inimum requ irement s to recover data at the speci fied inte rface err or rate.
74 Cheet ah 15K.5 FC Prod uct Manual, R ev. F.
Cheetah 1 5K.5 FC Pro duct Manua l, Rev. F 75 10.0 Seagate T echnolo gy suppo r t ser vice s Inter net For info rmation regardi ng Seagate pr oducts an d services, visit www .sea g ate.com . Wo rldwide support i s availa ble 24 hour s daily by email fo r your questions.
76 Cheet ah 15K.5 FC Prod uct Manual, R ev. F Custo mer Se rvice Opera tion s W arranty Ser vice Seag ate of fer s worldw ide custom er supp ort for Seagate pro duct s. Seagate distri butors, OEM s and other direct customer s should cont act their Seagate Custom er Service Operation s (CSO) represent ative for wa rranty- related issu es.
Cheetah 1 5K.5 FC Pro duct Manua l, Rev. F 79 Index Numerics 12 volt pin s 67 3rd pa rty reserve comm and 57 5 volt pins 67 A Abor t Sequence (A BTS) 47 abort t ask set function 48 AC coup ling 66 AC .
80 Cheet ah 15K.5 FC Prod uct Manual, R ev. F D DAR 42 data block si z e modifi ng the 9 data he ads read/wr ite 11 data ra te inte rnal 11 data tr ansfer rate 12 data valid e ye 73 Date code page com.
Cheetah 1 5K.5 FC Pro duct Manua l, Rev. F 81 Firmw are do wnload o ption co mmand 56 Firmw are nu mbers pag e command 54 flawe d sector re allocation 8 FLOGI received on Port A 51 received on Port B .
82 Cheet ah 15K.5 FC Prod uct Manual, R ev. F Defe rred er ror handling 63 FC-AL selective r eset 63 Para meter rounding 63 Queue ta gging 63 Reporti ng actual r etry count 63 Segm ented caching 63 SM.
Cheetah 1 5K.5 FC Pro duct Manua l, Rev. F 83 requir ements, AC 23 requir ements, DC 23 sequencing 25 Power control pag e (1Ah) comm and 55 pow er distri bution 3 power failure warning 71 Pref etch co.
84 Cheet ah 15K.5 FC Prod uct Manual, R ev. F shock 32 , 33 and vibra tion 32 shock mount 45 signal characte ristics 71 LED dr iver 7 2 single-un it shipping pack kit 1 0 SMART 9 , 17 SMP = 1 in Mode S e lect command 63 SO 49 , 52 spindl e brake 8 Stacked connection r eq.
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Seag ate T echno logy L LC 920 D isc Drive , Scott s V alley , Califo r ni a 95066- 4544, USA Public ation N umber: 1 00384772, Rev . F, Pri nted in U SA.
Un punto importante, dopo l’acquisto del dispositivo (o anche prima di acquisto) è quello di leggere il manuale. Dobbiamo farlo per diversi motivi semplici:
Se non hai ancora comprato il Seagate ST373453LC è un buon momento per familiarizzare con i dati di base del prodotto. Prime consultare le pagine iniziali del manuale d’uso, che si trova al di sopra. Dovresti trovare lì i dati tecnici più importanti del Seagate ST373453LC - in questo modo è possibile verificare se l’apparecchio soddisfa le tue esigenze. Esplorando le pagine segenti del manuali d’uso Seagate ST373453LC imparerai tutte le caratteristiche del prodotto e le informazioni sul suo funzionamento. Le informazioni sul Seagate ST373453LC ti aiuteranno sicuramente a prendere una decisione relativa all’acquisto.
In una situazione in cui hai già il Seagate ST373453LC, ma non hai ancora letto il manuale d’uso, dovresti farlo per le ragioni sopra descritte. Saprai quindi se hai correttamente usato le funzioni disponibili, e se hai commesso errori che possono ridurre la durata di vita del Seagate ST373453LC.
Tuttavia, uno dei ruoli più importanti per l’utente svolti dal manuale d’uso è quello di aiutare a risolvere i problemi con il Seagate ST373453LC. Quasi sempre, ci troverai Troubleshooting, cioè i guasti più frequenti e malfunzionamenti del dispositivo Seagate ST373453LC insieme con le istruzioni su come risolverli. Anche se non si riesci a risolvere il problema, il manuale d’uso ti mostrerà il percorso di ulteriori procedimenti – il contatto con il centro servizio clienti o il servizio più vicino.
