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Prod uct Ma nu al Ch ee t ah 15 K.5 SAS 10038 4784 Rev . E Aug ust 2007 ST33 00655S S ST31 46855S S ST37 3455SS.
©2007, S eagate T echnology LLC All righ ts reserv ed. Pub lication nu mber: 10038478 4, Rev . E Aug ust 2007 Sea gate, Sea gate T echnology and th e W ave logo are registered t rademarks of Seagat e T echnology LL C in the United S t ates and/or other countri es.
Cheetah 1 5K.5 SAS Prod uct Manual, R ev. E i Cont ent s 1.0 S cope . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 2.0 S tandards, co m plian ce and reference do cuments .
ii Cheetah 1 5K .5 SAS Produ ct Manual , Rev. E 6.4 E nvironmen tal limits . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32 6.4.1 T e mperature . . . . . . . . . . . . . . . . . . . . . . .
Cheetah 1 5K.5 SAS Prod uct Manual, R ev. E 1 List o f Figur es Figure 1. Cheetah 15K.5 SAS disc driv e . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 Figure 2. Typical ST3300655SS driv e +12V current profile .
2 Cheetah 1 5K .5 SAS Produ ct Manual , Rev. E.
Cheetah 1 5K.5 SAS Prod uct Manual, R ev. E 1 1.0 S cope This ma nual describes S eagate T echnolog y ® LLC, Cheet ah ® SAS (Se rial Att ached SCSI) di sc drives. Cheet ah drives support the SAS Protocol specificati ons to the exten t described in this manua l.
2 Cheetah 1 5K .5 SAS Produ ct Manual , Rev. E.
Cheetah 1 5K.5 SAS Prod uct Manual, R ev. E 3 2.0 S tandards, compliance and reference document s 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 ction.
4 Cheetah 1 5K .5 SAS Produ ct Manual , Rev. E 2.2 C omplia nce 2.2.1 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 wa s tested in a repre sent ative system for typica l applications.
Cheetah 1 5K.5 SAS Prod uct Manual, R ev. E 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 products.
6 Cheetah 1 5K .5 SAS Produ ct Manual , Rev. E.
Cheetah 1 5K.5 SAS Prod uct Manual, R ev. E 7 3.0 General d escri ption Che et ah dr ives combi n e T unneling Ma gneto resis tive (T M R) head s and a Ser ial Att ach ed S CSI (SA S) inter face to pr.
8 Cheetah 1 5K .5 SAS Produ ct Manual , Rev. E 3. 1 St a ndar d fea tu r e s Cheet ah drives have the foll owing st andard f eatures: • 1.5 / 3 Gb it Serial Att ached SCSI (SAS) interface • Integr.
Cheetah 1 5K.5 SAS Prod uct Manual, R ev. E 9 3.4 Reli abilit y • 1,400,00 0 hour MTBF (Ann ualized F ailure Rate (AF R) of 0.62% ) • Incorpor ates industry-st andard Self-M onitoring A nalysis a nd Reporting T echnolo gy (S.M.A.R.T .) • 5-y ear warra nty 3.
10 Cheetah 1 5K .5 SAS Produ ct Manual , Rev. E 3.8 Optio ns ( factor y inst alled) Y o u may order the fo llowing items which are incor porated at the manufacturing facility dur ing production or packa ged before shippi ng.
Cheetah 1 5K.5 SAS Prod uct Manual, R ev. E 11 4.0 Performance cha r acteristics This secti on pr ovides det ailed informa tion concern ing perfor mance-related ch aracteristics a nd features of Cheet ah drives. 4.1 Int e rnal dr ive ch arac terist i c s ST3300655SS ST3146855SS ST373455SS Drive capacity 300.
12 Cheetah 1 5K .5 SAS Produ ct Manual , Rev. E 4.2.2 For m a t command execution time (minut es) Executio n time measured from receipt of t he last byte of the Comman d Descriptor Block ( CDB) to the req uest for a S tatus B yte T ransfer to th e Initiat or (excluding connect/disconne ct).
Cheetah 1 5K.5 SAS Prod uct Manual, R ev. E 13 The S T ART S T OP U NIT comm and m ay be used to comm and the dr i ve to st op the spindl e. S top tim e is 30 sec- onds (m aximum) from r emoval of D C pow er . There is no po wer control sw itch on the drive .
14 Cheetah 1 5K .5 SAS Produ ct Manual , Rev. E 4.5.1 Cac hing write data W rite caching is a write operation by th e drive th at makes u se of a d rive buf fer stor age area where the da ta to be wri tten to the medi um is stored wh i le the drive pe rforms the W rite comman d.
Cheetah 1 5K.5 SAS Prod uct Manual, R ev. E 15 5.0 Reliabi lity specifi cati ons 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 rive mounting constr aints.
16 Cheetah 1 5K .5 SAS Produ ct Manual , Rev. E 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. A fter dete cting an initia l seek error , the drive automati cally perf orms an error recover y process.
Cheetah 1 5K.5 SAS Prod uct Manual, R ev. E 17 5.2. 3 Hot plugg ing the dr i ve When a disc is po wered on by switching the power or hot plugged, th e drive ru ns a self te st before attempting to com m unicat e on it s’ interfaces. When the self test completes successfully , the drive i nitiates a Link Reset star ting with OOB.
18 Cheetah 1 5K .5 SAS Produ ct Manual , Rev. E Re po rt i ng co ntr ol Reporti ng is controlled by the MRI E bits in th e Informa tional Excep tions Control mode page (1Ch). Subject to the repo rting method, th e firmw are wi ll issue to the ho st an 01- 5Dxx sense code.
Cheetah 1 5K.5 SAS Prod uct Manual, R ev. E 19 be use d to set this trip point. The d efault value for this drive is 68°C, however , you can set i t to any value in the range of 0 to 68°C. If you speci fy a tem perature gr eater than 68°C i n this fi eld, the temperature is roun ded down to 68 °C.
20 Cheetah 1 5K .5 SAS Produ ct Manual , Rev. E 5.2.6.2. 1 S t ate of the dr ive prior to t esting The dr ive mu st be in a re ady state befor e issuing the Send Diagnosti c command. There ar e mult iple reasons why a drive may not be read y , some of which are valid conditio ns, and not erro rs.
Cheetah 1 5K.5 SAS Prod uct Manual, R ev. E 21 2. The Sel f-T est Result s V alue field is set to Fh 3. The dr ive will store the lo g page to non-volatile mem ory Af ter a self-test i s complete or has been ab orted, the drive upd ates the Self-T est Resul ts V alue field in its S elf- T est Results Log p age in non-volatile mem ory .
22 Cheetah 1 5K .5 SAS Produ ct Manual , Rev. E.
Cheetah 1 5K.5 SAS Prod uct Manual, R ev. E 23 6.0 Physi cal/electrical spe ci fications This secti on pro vides infor mation re lating to the physical and electrical chara cteristics of the d r ive. 6.1 AC po wer requ irement s None. 6.2 DC po wer requ irement s The voltage and current requi remen ts for a single d rive are shown below .
24 Cheetah 1 5K .5 SAS Produ ct Manual , Rev. E Gen 1.5 data. 0.15A DC and 0.2A AC 1 2V max start current margin added. Gen 1.6 data. 0.15A DC and 0.2A AC 1 2V max start current margin added. [1] Measur ed with average readin g DC ammete r or equ ivalent sampling scope.
Cheetah 1 5K.5 SAS Prod uct Manual, R ev. E 25 Degrees C ambien t. [2] For +12 V , a –10% toleran ce is allow ed during initial spindle st art but must return to ± 5% before reachi ng 15,000 RP M.
26 Cheetah 1 5K .5 SAS Produ ct Manual , Rev. E Figure 2. T ypical ST3300655SS drive +12V current profile Figure 3. T ypical ST3300655SS drive +5V current profile.
Cheetah 1 5K.5 SAS Prod uct Manual, R ev. E 27 Figure 4. T ypical ST3146855SS drive +12V current profile Figure 5. T ypical ST3146855SS drive +5V current profile.
28 Cheetah 1 5K .5 SAS Produ ct Manual , Rev. E Figure 6. T ypical ST373455SS drive +12V current profile Figure 7. T ypical ST373455SS drive +5V current profile.
Cheetah 1 5K.5 SAS Prod uct Manual, R ev. E 29 6. 3 Po wer di ssipat ion ST330065 5SS in 3 Gbit o peration T ypical power dissi pation under idle co nditions in 3Gb opera tion is 14.34 watt s (48.93 BTU s per hour ). T o obtain oper ating power for typical rando m read operations, re fer to the following I/O rate curve ( see F igure 8).
30 Cheetah 1 5K .5 SAS Produ ct Manual , Rev. E ST3146855SS in 3 Gb it operation T ypical power dissi pation under idle co nditions in 3Gb opera tion is 1 1.8 watts (40 .27 BTUs per h our). T o obtain oper ating power for typical rando m read operations, re fer to the following I/O rate curve ( see F igure 8).
Cheetah 1 5K.5 SAS Prod uct Manual, R ev. E 31 ST373455SS in 3 Gb it operation T ypical power dissi pation under idle co nditions in 3Gb opera tion is 10.33 watt s (35.25 BTUs per hour ). T o obtain oper ating power for typical rando m read operations, re fer to the following I/O rate curve ( see F igure 8).
32 Cheetah 1 5K .5 SAS Produ ct Manual , Rev. E 6.4 Enviro nmental limi t s T emperatur e and humidity values exp erienced by the dr iv e must be such that cond ensation does not occur on any dr i ve p art. Altit ude and a tmospheric p ressure sp ecifications are reference d to a stand ard day at 58.
Cheetah 1 5K.5 SAS Prod uct Manual, R ev. E 33 6.4.2 Relative hu m idity The valu es below assume that no cond ensation on the dr i ve occur s. a. Operati ng 5% to 95% non- condensing r elative humidity w ith a max i m um gradie nt of 20% per h our . b.
34 Cheetah 1 5K .5 SAS Produ ct Manual , Rev. E d. Packag ed Disc drives shipped as l oose lo ad ( not p alletized) general freig ht will be packag ed to withst and drop s from hei ghts as de fined in the t able bel ow . For add i t ional de tails refer to Seagate specific ations 30 190-001 (under 100 lbs/45 kg) or 30191-001 (o ver 100 lbs/45 Kg).
Cheetah 1 5K.5 SAS Prod uct Manual, R ev. E 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 Cheetah 1 5K .5 SAS Produ ct Manual , Rev. E 6.4.7 A cous tics Soun d power du ring idle mod e shall be 3.7 bel s typical when measu red to ISO 7 779 specifi cation. So und power w hile operating sh all be 4.3 bels typ ical when m easured t o ISO 7779 specificat i o n.
Cheetah 1 5K.5 SAS Prod uct Manual, R ev. E 37 7.0 Defect and error management Seag ate continues to use innovative techno logies to ma nage defect s and errors. T hese technologie s are designed to increase da ta integr ity , per form drive se lf-m aintenance, and val idat e proper drive o perati on.
38 Cheetah 1 5K .5 SAS Produ ct Manual , Rev. E 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 involv ing a sin gle re- read or re-write a ttempt.
Cheetah 1 5K.5 SAS Prod uct Manual, R ev. E 39 7. 3 SA S s ystem err ors Inform ation on the reporti ng of oper ational er rors or fau lts acr oss the interface is given in t he SAS Interf ace Manual . The SSP Respon se returns i nformation to the host about numerous kinds of e rrors or fault s.
40 Cheetah 1 5K .5 SAS Produ ct Manual , Rev. E 7.6 De ferr ed A uto-Rea ll ocat ion Deferred Aut o-Realloc ation (DAR) simplifies reallocation al g orithms at the system leve l by allowing the drive to reall ocate un readabl e location s on a subse quent write command.
Cheetah 1 5K.5 SAS Prod uct Manual, R ev. E 41 8.0 Inst al lat ion Cheet ah disc dr ive inst allatio n is a plug-an d-play pr ocess. Ther e are no ju mpers, switche s, or termi nators on the dri ve. SAS drives are designed to be used in a host system t hat pr o vides a SAS-com patible backplane with bays designed to accommodate t he drive.
42 Cheetah 1 5K .5 SAS Produ ct Manual , Rev. E 8.2 Coolin g Cabi net coolin g must be d esigned by the custom er so that the a mbient temperat ure immed iately surroun ding the driv e will n ot exceed temper ature conditio ns specified in S ection 6.
Cheetah 1 5K.5 SAS Prod uct Manual, R ev. E 43 8. 3 Dr iv e mo unti ng Mount the dr iv e using the b ottom or side mo unti ng holes. If you moun t the d ri ve u sing the botto m ho le s, ensu re that you do not physically disto rt the drive by att empting to mount i t on a stiff, non -flat surface.
44 Cheetah 1 5K .5 SAS Produ ct Manual , Rev. E.
Cheetah 1 5K.5 SAS Prod uct Manual, R ev. E 45 9.0 Interface requ i rement s This sect i o n par tially de scribes the i nterface r equireme nts as impl emented on Cheet ah drive s. Additional infor- mation is p rovided in the SAS Inter face Manu al (par t number 10029 3071).
46 Cheetah 1 5K .5 SAS Produ ct Manual , Rev. E 9.2 Dual port su pport Cheet ah SAS drive s have two i nd epen dent po rt s. Th ese por t s may be co nnecte d in the same or dif fere nt S CSI domains. Each drive port has a unique SAS addr ess. The two port s run at the same link rate.
Cheetah 1 5K.5 SAS Prod uct Manual, R ev. E 47 9. 3 SC SI comm and s su ppor te d T able 8 list s the SCSI com mands supp orted by Chee tah drives . T able 8: Command s supp orted by Chee tah 15 K.
48 Cheetah 1 5K .5 SAS Produ ct Manual , Rev. E Non -medi um Erro r pa ge (06h) Y Page s Suppor ted list (00h) Y Rea d Erro r Counter pa ge (0 3h) Y Re ad Reverse E rror Cou nter page ( 04h) N Self-te.
Cheetah 1 5K.5 SAS Prod uct Manual, R ev. E 49 Reassign B locks 07h Y Recei ve Diagnosti c Result s 1Ch Y Supp orted D iagnostic s pages ( 00h) Y T ranslate page (40h ) Y Release 17h Y Relea se (10) 5.
50 Cheetah 1 5K .5 SAS Produ ct Manual , Rev. E [1] Cheet ah drives can format to 5 12, 520, 524, or 528 bytes pe r logical block. [2] Wa r n i n g . Power lo ss during flas h progr amming can result in firmware corru ption. This usually makes the driv e inoperab le.
Cheetah 1 5K.5 SAS Prod uct Manual, R ev. E 51 9.3.1 Inqu iry dat a T able 9 lis ts the In quiry command dat a that the dri ve shoul d return t o the initiator pe r the format given i n the SAS In terface Ma nual . T able 9: Cheet ah 15K .5 SAS inq uiry dat a * Copyright year (changes with actual y ear).
52 Cheetah 1 5K .5 SAS Produ ct Manual , Rev. E Select command be fore the drive a chieves oper ating spee d and i s “ready .” A n attem pt to d o so result s in a “Check Cond ition” sta tus.
Cheetah 1 5K.5 SAS Prod uct Manual, R ev. E 53 9.3.2.1 ST3 300655SS Mod e Sens e data MOD E DATA HE ADER : 03 f a 00 10 00 00 0 0 08 BLOC K DESCR IP TOR: 22 e c b2 5c 00 00 0 2 00 MODE PAG ES: DEF 81 .
54 Cheetah 1 5K .5 SAS Produ ct Manual , Rev. E 9.3.2.2 ST3 146855SS Mod e Sens e data MOD E DATA HE ADER : 03 f a 00 10 00 00 0 0 08 BLOC K DESCR IP TOR: 11 1 7 73 30 00 00 0 2 00 MODE PAG ES: DEF 81.
Cheetah 1 5K.5 SAS Prod uct Manual, R ev. E 55 9.3.2.3 ST3 73455SS Mode S e nse dat a MOD E DATA HE ADER : 03 f a 00 10 00 00 0 0 08 BLOC K DESCR IP TOR: 08 8 b b9 98 00 00 0 2 00 MODE PAG ES: DEF 81 .
56 Cheetah 1 5K .5 SAS Produ ct Manual , Rev. E 9. 4 M iscel la neou s op erati ng fe at ures and con dit ions T able 10 lists va rious featur es and conditio ns. A “Y” i n the suppor t column indica tes the featu r e or con dition is support ed. An “N” in th e support co l umn ind icates the feat ure or con dition is no t supported.
Cheetah 1 5K.5 SAS Prod uct Manual, R ev. E 57 9.4.1 SAS physical interf ace Figure 16 shows the lo cation of th e SAS devi ce conn ecto r J1. Figur es 17 an d 18 pr ovide the d im ension s of the SAS device. Det ails of the ph ysical, electrical, an d logi cal charac teristics are provide d w ithin t his section.
58 Cheetah 1 5K .5 SAS Produ ct Manual , Rev. E Figu re 17 . SAS c on nect or dimen sio ns C OF DATUM B L 5.08 1.27 (6X) 1.27 (14X) 15.875 0.35MIN 15.875 33.43 0.05 B 4.90 0.08 0.84 0.05 (22X) 0.15 B P15 P1 S7 S1 SEE Detail1 0.30 0.05 (4X) 4.00 0.08 0.
Cheetah 1 5K.5 SAS Prod uct Manual, R ev. E 59 Figu re 18 . SAS c on nect or dimen sio ns 9.4.2 Physical charact er istic s This section defines physical int erface connector . 9.4.3 Conn ector req u irem ents Con tact you r preferre d connector m anufacturer for matin g part inform ation.
60 Cheetah 1 5K .5 SAS Produ ct Manual , Rev. E 9.4.4 Electrical d escription SAS d rives use the d evice connector for: • DC power • SAS inte rface • Activity LED This conn ector is designe d to either plug directly into a backpanel or accept c ables.
Cheetah 1 5K.5 SAS Prod uct Manual, R ev. E 61 9.4.6 SAS transm itters and r eceivers A typ ical SAS differe ntial co pper tra nsmitter and r eceiver pai r is sh own in Figu re 19. The receiver is AC cou- pling to elimi nate groun d shif t noise. Figure 19.
62 Cheetah 1 5K .5 SAS Produ ct Manual , Rev. E The Re ady LED Out signa l is designed t o pull down th e cathode of an LED. The an ode is attache d to the proper +3.3 volt supp ly through an app ropriate current li miting resi stor . The LED and th e current li miting r esis- tor ar e external to the d r ive.
Cheetah 1 5K.5 SAS Prod uct Manual, R ev. E 63 9.5.2.1. 2 Rec eive eye m ask Figure 20 describes t he receive eye m ask. This eye mask ap plies to jitter af ter the applicati on of a singl e pole high-p ass frequency-wei ghting function tha t progr essively attenuates jitter at 20 dB /decade below a frequency of ((b it rate) / 1 .
64 Cheetah 1 5K .5 SAS Produ ct Manual , Rev. E The leading and tr ailing edge sl opes of figure 20 shall be preserved. As a result the a mplitude valu e of Z 1 is less than that given in table 17 and.
Cheetah 1 5K.5 SAS Prod uct Manual, R ev. E 65 9.5.2.2 T ran smitte r signa l characterist ics T able 16 specifies th e signal requ i reme nts at the tra nsm itte r end of a TxRx con nection as me asured into the zero-le ngth test load. All specific ations are b ased on differ ential measureme nts.
66 Cheetah 1 5K .5 SAS Produ ct Manual , Rev. E 9.5.2.3 Receiver signal cha racteri stics T able 1 7 defines the compl iance point requirement s of the si g nal at th e receiver e nd of a T xRx connection as measur ed into the te st loads specified i n fi gure 23 a nd figure 24 .
Cheetah 1 5K.5 SAS Prod uct Manual, R ev. E 67 9.5.2.3. 2 Receiver jit ter to lerance T able 19 d efines the am ount of jitter the receiver shall tolerate . 9.5.2.3. 3 Compliant jit ter test p attern ( CJTP A T) The C JTP A T withi n a comp liant pr otocol fra me is used for all jitter te sting unless o therwise specifie d.
68 Cheetah 1 5K .5 SAS Produ ct Manual , Rev. E 9.5.2.4 Elect rical T xRx conn ections TxRx conn ections may be divid ed into T xRx connecti on segment s. In a sing le TxRx conne ction individual TxRx connection segmen ts may be formed from dif fering medi a and material s, including traces on printed wir - ing boa rds and opti cal fib ers.
Cheetah 1 5K.5 SAS Prod uct Manual, R ev. E 69 A com binatio n of a zer o-length t est load and the tran smitter compl iance transf er function (TCTF) test load method ology is use d for the specificat i on o f transmitter characteristics. This method ology specifies the trans- mitter signal at t he test point s on the required test l oads.
70 Cheetah 1 5K .5 SAS Produ ct Manual , Rev. E Figure 24 shows the zero- l ength test load. Figu re 2 4 . Zer o-l engt h test loa d Figure 25 shows an ISI loss example at 3.0 Gbp s. Figure 25. ISI loss example at 3. 0 Gbps Figure 26 shows an ISI loss example at 1.
Cheetah 1 5K.5 SAS Prod uct Manual, R ev. E 71 9.5.2.5 Receiver characterist ics The driv e re ceiver i s A.C. coup led. The recei ve netwo r k termina tes the TxRx conne ction by a 1 00 ohm eq uiva- lent i mpedance a s specified in tabl e 20.
72 Cheetah 1 5K .5 SAS Produ ct Manual , Rev. E.
Cheetah 1 5K.5 SAS Prod uct Manual, R ev. E 73 10.0 S eagat e T echnolo gy suppo r t service s Inter net For info rmation regardi ng Seagate pr oducts an d services, visit www .se a gate.com . W orldw ide support i s availa ble 24 hour s daily by email fo r your questions.
74 Cheetah 1 5K .5 SAS Produ ct Manual , Rev. E Custo mer Se rvice Op eratio ns W arranty Ser vice Seag ate of fer s worldw ide custom er supp ort for Seagate pro duct s. Seagate distri butor s, OEMs and other direct customer s should cont act their Seagate Custom er Service Operation s (CSO) r epresent ative for wa rranty- related issu es.
Cheetah 1 5K.5 SAS Prod uct Manual, R ev. E 77 Index Numerics 12 volt pin s 61 5 volt pins 61 A abort t ask set function 45 AC coup li ng 61 AC powe r requirem ents 23 ACA active status 56 ACA acti ve.
78 Cheetah 1 5K .5 SAS Produ ct Manual , Rev. E envi ronment 42 environm ental limits 32 requir ements 15 envi ronmenta l contro l 35 error manage ment 37 rat es 15 error s 37 F FCC rules and r egulat.
Cheetah 1 5K.5 SAS Prod uct Manual, R ev. E 79 N noi se audi ble 3 noi se immunity 25 non-op erating 33 , 35 temper ature 32 non-op erating vibr ation 35 O offi ce environme nt 35 operat i n g 33 , 35.
80 Cheetah 1 5K .5 SAS Produ ct Manual , Rev. E surface s tiffness allowa ble for non- flat surface 43 switches 41 synchron ized spindle operat i o n 56 system cha ssis 43 T task man agement functions.
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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 00384784, Rev . E, Printed in U SA.
Een belangrijk punt na aankoop van elk apparaat Seagate ST373455SS (of zelfs voordat je het koopt) is om de handleiding te lezen. Dit moeten wij doen vanwege een paar simpele redenen:
Als u nog geen Seagate ST373455SS heb gekocht dan nu is een goed moment om kennis te maken met de basisgegevens van het product. Eerst kijk dan naar de eerste pagina\'s van de handleiding, die je hierboven vindt. Je moet daar de belangrijkste technische gegevens Seagate ST373455SS vinden. Op dit manier kan je controleren of het apparaat aan jouw behoeften voldoet. Op de volgende pagina's van de handleiding Seagate ST373455SS leer je over alle kenmerken van het product en krijg je informatie over de werking. De informatie die je over Seagate ST373455SS krijgt, zal je zeker helpen om een besluit over de aankoop te nemen.
In een situatie waarin je al een beziter van Seagate ST373455SS bent, maar toch heb je de instructies niet gelezen, moet je het doen voor de hierboven beschreven redenen. Je zult dan weten of je goed de alle beschikbare functies heb gebruikt, en of je fouten heb gemaakt die het leven van de Seagate ST373455SS kunnen verkorten.
Maar de belangrijkste taak van de handleiding is om de gebruiker bij het oplossen van problemen te helpen met Seagate ST373455SS . Bijna altijd, zal je daar het vinden Troubleshooting met de meest voorkomende storingen en defecten #MANUAl# samen met de instructies over hun opplosinge. Zelfs als je zelf niet kan om het probleem op te lossen, zal de instructie je de weg wijzen naar verdere andere procedure, bijv. door contact met de klantenservice of het dichtstbijzijnde servicecentrum.
