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Product Manual Cheet ah 15K.5 SCSI 100384776 Re v . J Ma y 2010 ST3300655L W ST3146855L W ST373455L W ST3300655LC ST3146855LC ST373455LC.
© 2010, Seagate T echnology LLC All rights reserved. Publication number: 10 03 84776, Rev . J May 2010 Seagate, Seagate T echnology an d the W ave logo are registe red trademarks of Seagate T echnology LLC in the United S tates and/or other countries.
Cheetah 15K.5 SCSI Product Manual, Rev. J i Contents 1.0 Seagate Technology support services . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 2.0 Scope . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
ii Cheetah 15K.5 SCSI Product Man ual, Rev. J 7.4 Environmental limits . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29 7.4.1 Temperature . . . . . . . . . . . . . . . . . . . . . . . . . .
Cheetah 15K.5 SCSI Product Manual, Rev. J iii List of Figures Figure 1. Typical ST3300655LW drive +5 V LVD current profile . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25 Figure 2. ST3300655LC DC current and power vs. IO PS (LVD) . . . .
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Cheetah 15K.5 SCSI Product Manual, Rev. J 1 1.0 Seagate T echnology support services SEAGA TE ONLINE SUPPORT and SERVICES For information regarding pr oducts and services, visit http://www .
2 Cheetah 15K.5 SCSI Product Manual, Rev. J 2.0 Scope This manual describes Seagate ® T echnology LLC, Cheet ah ® 15K.5 SCSI disc drives. Cheetah 15K.5 SCSI d rives support th e small comput er system inte rface (SCSI) a s described in the AN SI SCSI SPI-4 inter face specifica tions to the extent describe d in this manu al.
Cheetah 15K.5 SCSI Product Manual, Rev. J 3 3.0 Applicable st andards an d reference document ation The drive has been developed as a syst em peripheral to the highest standa rds of design and construction.
4 Cheetah 15K.5 SCSI Product Manual, Rev. J 3.2 Electromagnetic complia nce Seagate uses an independe nt laboratory to confirm co mpliance to the directives/st andard(s) for CE Marking and C-T ick Marking. The drive was tested in a represen t ative system for typical applications.
Cheetah 15K.5 SCSI Product Manual, Rev. J 5 Seagate also ha s internal system s in place to ensur e on going compliance with the RoHS Directive and all laws and regulations which restrict chemic al content in electronic products .
6 Cheetah 15K.5 SCSI Product Manual, Rev. J 4.0 General description Cheetah 15K.5 SCSI dr ives combine T unneling Magn etoresistiv e (TMR) heads and a wide Ultra320 SCSI interface to pr ovide high per.
Cheetah 15K.5 SCSI Product Manual, Rev. J 7 An automatic shipping lock pr even ts potentia l damage to the heads and discs that re sults from movem ent dur- ing shipping and handlin g. The shipping lock automatica lly di sengages when power is applied to the drive and the head load p rocess begins.
8 Cheetah 15K.5 SCSI Product Manual, Rev. J 4.3 Performance • Support s industry stan dard Ultra320 SCSI interface • Programmable multi-se gmentab le cache buf fer (see Section 5.
Cheetah 15K.5 SCSI Product Manual, Rev. J 9 4.5.1 Prog rammable drive ca p acity Using the Mode Select command, th e d rive can change it s capacity to something less than maximum. See the Mode Select Para meter List table in the SCSI Interface Manual .
10 Cheetah 15K.5 SCSI Product Man ual, Rev. J 5.0 Performance characteristics 5.1 Internal drive characteristics (transp arent to user) * One Gbyte equals one billion bytes when referring to hard driv e capacity. Accessible capacity may vary depending on operating environment and formatting.
Cheetah 15K.5 SCSI Product Manual, Rev. J 11 5.2.1 Seek time 5.2.2 Format command ex ecu ti o n tim e (min u te s ) [1] 5.2.3 Generalized performance characteristic s Sustainable disc transfer rate: S.
12 Cheetah 15K.5 SCSI Product Man ual, Rev. J 5.3 St art/stop time After DC po wer at nominal volt age has been applied, the drive becomes ready within 20 seconds if the Motor S tart Option is disa bled (i.e., the mo tor star ts as soon a s the power has been applie d).
Cheetah 15K.5 SCSI Product Manual, Rev. J 13 Each cache segment is actually a self-contained circula r buf fer whose leng th is an integer nu mber of logical blocks.
14 Cheetah 15K.5 SCSI Product Man ual, Rev. J 6.0 Reliability specifications The following reliability specif ications assume correct ho st/drive operationa l interface, including all interface timings, power supply volt ages, environment a l requireme nt s and drive mounting constra ints (see Section 9 .
Cheetah 15K.5 SCSI Product Manual, Rev. J 15 6.1.3 See k errors A seek error is defined as a failure of the drive to posi tion the heads to the addr essed track. After detecting an initial seek error , the drive automatically performs an er ror recovery process.
16 Cheetah 15K.5 SCSI Product Man ual, Rev. J 6.2.3 Hot plugging Cheet ah 15K.5 SCSI disc drives The ANSI SPI-4 document defines the physical requiremen ts for removal and insertion of SCSI devices on the SCSI bus. Four cases are ad dressed. The ca ses are di ffe rentiated by the sta te of the SCSI bus when the removal or insertion occurs.
Cheetah 15K.5 SCSI Product Manual, Rev. J 17 Controlling S.M.A.R.T . The operating mode of S.M.A.R.T . is controlled by the DEXCPT bit and the PERF bit of the “Informational Exceptions Control Mode Page” (1Ch) . The DEXCPT bit is used to ena ble or disable the S .
18 Cheetah 15K.5 SCSI Product Man ual, Rev. J zero) whenever the e rr or rate is accept able. This counter is r eferred to as the Failure History Counter . There is a separate Failure History Counter for each attribute. Should the counter co ntinually be incremented such that it reaches the predictive thre shold, a predictive failure is signaled.
Cheetah 15K.5 SCSI Product Manual, Rev. J 19 6.2.6.1 DST Failure De finition The drive will present a “diagnostic faile d” condition throu gh the self-tests result s va lue of the diagnostic log page if a functional failu re is encountered during DST .
20 Cheetah 15K.5 SCSI Product Man ual, Rev. J Short test (Function Cod e: 001b) The purpose of the sh ort test is to pr ovide a time-limited test that test s as much of the drive as possible within 120 seconds. Th e short test does not scan th e entire media su rface, but does some fundament al tests and scans portions of the media.
Cheetah 15K.5 SCSI Product Manual, Rev. J 21 Shipping When transporting or ship ping a drive, a Sea gate approved contain er must be used. Keep your o riginal box. They are easily identified by the Sea gate-approved package lab el. Shipping a drive in a no n-approved con- tainer vo ids the drive warranty .
22 Cheetah 15K.5 SCSI Product Man ual, Rev. J 7.0 Physical/electrical specifications This section provides info rmation relating to the ph ysic al and electrical characteristics of the Ch eetah 15K.
Cheetah 15K.5 SCSI Product Manual, Rev. J 23 T able 4: ST3146855LC DC power requirement s T able 5: ST373455LC DC power requirement s [1] Measured with average reading DC a mmeter or equivalent samp ling scope. Instan taneou s current peaks will exceed these values.
24 Cheetah 15K.5 SCSI Product Man ual, Rev. J starting curre nt must be available to each device. 4. Parameters, other than spindle start, are measur ed after a 10- minute warm up. 5. No termin ator power . 7.2.1 Cond ucted noise immunity Noise is specified as a peri odic and random distrib uti on of frequencies cover ing a band from DC to 10 MHz.
Cheetah 15K.5 SCSI Product Manual, Rev. J 25 Figure 1. T ypical ST3300655L W dr ive +12V L VD current profile Figure 2. T ypical ST3300655L W dr ive +5 V L VD cu rrent profile.
26 Cheetah 15K.5 SCSI Product Man ual, Rev. J 7.3 Power dissip ation ST3300655L W/ST3300655LC For drives using low voltage dif ferential interface circuits, typical power dissipation und e r idle conditions is 13.
Cheetah 15K.5 SCSI Product Manual, Rev. J 27 ST3146855L W/ST3146855LC For drives using low volt age differential inte rface circ uit s, typical power dissipation under idle conditions is 10.39 watts (35.45 BTUs per hour). T o obtain ope rating power for typica l random read oper atio ns, refer to the following I/O rate curve (see Figure 4).
28 Cheetah 15K.5 SCSI Product Man ual, Rev. J ST373455L W/ST373455LC For drives using low voltage dif ferential interface circuits , typical power dissipation u nder idle conditions is 8.49 watts (28.97 BTUs per hour ). T o obtain ope rating power for typica l random read oper atio ns, refer to the follo wing I/O rate curve (see Figure 5).
Cheetah 15K.5 SCSI Product Manual, Rev. J 29 7.4 Environment al limits T emperature and hum idity values experi enced by the driv e must be such that condens ation does not occur on any drive part. Altitude and atmospheric p ressure specif icat ions are referenced to a st andard day at 58.
30 Cheetah 15K.5 SCSI Product Man ual, Rev. J b. Non-operatin g –1,000 to +40,000 feet (–305 to +12,21 0 meters) 7.4.4 Sho ck and vibration Shock and vibration limits specified in this document are measu red dir ectly on the drive chassis.
Cheetah 15K.5 SCSI Product Manual, Rev. J 31 Drives packaged in single or multipacks with a gross weight of 20 poun ds (8.95 kg) or less by Seagate for general freight shipm ent shall withsta nd a drop test fr om 4 8 inches (1,070 mm) against a concrete floor or equivalent.
32 Cheetah 15K.5 SCSI Product Man ual, Rev. J 7.4.4.2 Vibration a. Operating—normal The drive as ins talled for normal ope ration, shall comply with the complete sp ecified performance while subjected to continuous vi bration not excee ding 10–500 Hz @ 0.
Cheetah 15K.5 SCSI Product Manual, Rev. J 33 7.4.7 Aco ustics Sound power during idle mode shall be 3.7 bels typica l when measured to ISO 7779 specification. Sound power while operating shall be 4.3 bels typica l when measured to I S O 7779 specification.
34 Cheetah 15K.5 SCSI Product Man ual, Rev. J Figure 9. LC moun tin g configuratio n dimensions J H L B A S K [1] M C R REF F [1] D E P 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.
Cheetah 15K.5 SCSI Product Manual, Rev. J 35 8.0 Defect and er ror management Seagate continues to use innova tive technologies to manage defect s and errors. The se technologies are designed to increase dat a integrity , perform drive self-maintenance, and validat e proper drive ope ra tio n.
36 Cheetah 15K.5 SCSI Product Man ual, Rev. J T able 6 equates the Read and Write Retry Count with the maximum possible recovery time for read and wr ite recovery of individual LBAs. Th e times given do not includ e time taken to perform reallocations, if reallocations are performed.
Cheetah 15K.5 SCSI Product Manual, Rev. J 37 8.3 SCSI systems errors Information on the reporting of opera tional errors or fault s across the interface is given in the SCSI Interface Product Manual . Messag e Protocol System is described in th e SCSI Interface Product M anual .
38 Cheetah 15K.5 SCSI Product Man ual, Rev. J 8.6 Deferred Auto-Reallocation Deferred Auto -Reallocati on (D AR) simplifies reallocation algorithms at the system level by allowing the drive to reallocate unreadable locations on a subsequent writ e command.
Cheetah 15K.5 SCSI Product Manual, Rev. J 39 9.0 Inst allation Note. These drives are designed to be used only on sin g le-ended (SE) or low volt age differential (L VD) busses.
40 Cheetah 15K.5 SCSI Product Man ual, Rev. J Figure 10. J5 jumper header (on L W mo dels only) SCSI ID = 8 SCSI ID = 9 SCSI ID = 10 SCSI ID = 11 SCSI ID = 12 SCSI ID = 13 SCSI ID = 14 SCSI ID = 15 A .
Cheetah 15K.5 SCSI Product Manual, Rev. J 41 Figure 1 1. J6 option select header (o n L W m odels only) 9.1.1 Not es for Figures 10 and 11 . [1] Notes explaining the fun ctions of the various jump ers on J5 and J6 jumper hea der connectors are given here and in Section 9.
42 Cheetah 15K.5 SCSI Product Man ual, Rev. J 9.1.2 Functi on descripti on Note. J6 does not exist on the LC model and is supported on the L W model only . J6 jumper installation Jumper function description SE On Forces drive to use single-ended I/O drivers/receivers only .
Cheetah 15K.5 SCSI Product Manual, Rev. J 43 9.2 Drive orient ation The balanced rot ar y arm actuator d esign of the drive allows it to be mounte d in any or ient ation.
44 Cheetah 15K.5 SCSI Product Man ual, Rev. J 9.4 Drive mounting When mounting the dr ive using the bottom holes (x-y plane in Figur e 7) care must be t aken to ensu re that the drive is not physically distorted due to a stiff non-flat mounting surface .
Cheetah 15K.5 SCSI Product Manual, Rev. J 45 10.0 Interface requirement s This section partially descr ib es th e int erf ac e re q uirem e nts as implem en te d on the driv es . 10.1 General description This section describes in essentially general terms the interface r equiremen t s suppo rted by the Cheet ah 15K.
46 Cheetah 15K.5 SCSI Product Man ual, Rev. J Notes. [1] Extended messages (see the SCSI Interface Product Man ual ). [2] Support s all optio ns except qas_req and iu_req. 10.3 SCSI interface commands supported T able 8 following lists the SCSI inter face commands that are suppo rted by the drive.
Cheetah 15K.5 SCSI Product Manual, Rev. J 47 Lock-unlock cache 36h N Log Select 4Ch Y PCR bit Y DU bit N DS bit Y TSD bit Y ETC bit N TMC bit N LP bit N Log Sense 4Dh Y Application Client Log page (0F.
48 Cheetah 15K.5 SCSI Product Man ual, Rev. J Rigid Disc Drive Geometry p a ge (04h) Y Unit Attention p age (00h) Y V erify Error Recove ry page (07h) Y Xor Control page (10h) N Mode Sens e (10) (sam .
Cheetah 15K.5 SCSI Product Manual, Rev. J 49 [1] The drive can form at to any even number of bytes per sector from 512 to 528. [2] T ables 10 show how individual bits are set and which are changeab le by th e host. [3] W ARNING: A power loss during flash programming can resu lt in firmware corruption.
50 Cheetah 15K.5 SCSI Product Man ual, Rev. J T able 9 lists the S tan dard In quiry comm and d at a th at the dr ive should r eturn to the initiator per the form at given in the SCSI Interface Product Manual, pa rt number 10029306 9, Inquiry command section.
Cheetah 15K.5 SCSI Product Manual, Rev. J 51 10.3.2 Mode Sens e dat a The Mode Sense co mmand provides a mea ns for the drive to report its operating para meters to the initiator . The drive maint ains four sets of Mode paramete rs, De fault values, Saved values , Current values a nd Change- able values.
52 Cheetah 15K.5 SCSI Product Man ual, Rev. J T able 10: ST3300655 Mode sense dat a MODE SENSE HEADER DATA ab 00 10 08 22 ec b2 5c 00 00 02 00 MODE SENSE PAGES DATA SAV 81 0a c0 0b ff 00 00 00 05 00 f.
Cheetah 15K.5 SCSI Product Manual, Rev. J 53 T able 1 1: ST314685 5 Mode sense dat a MODE SENSE HEADER DATA ab 00 10 08 11 17 73 30 00 00 02 00 MODE SENSE PAGES DATA SAV 81 0a c0 0b ff 00 00 00 05 00 .
54 Cheetah 15K.5 SCSI Product Man ual, Rev. J T able 12: ST373455 Mode sense dat a MODE SENSE HEADER DATA ab 00 10 08 08 8b b9 98 00 00 02 00 MODE SENSE PAGES DATA SAV 81 0a c0 0b ff 00 00 00 05 00 ff.
Cheetah 15K.5 SCSI Product Manual, Rev. J 55 10.4 SCSI bus conditions and miscellaneous fea tures supported Asynchronous SCSI bus conditions su pported by the driv e are listed below . These conditions cause the SCSI device to per form cer tain actions an d can alt er the SC SI bus phase sequence.
56 Cheetah 15K.5 SCSI Product Man ual, Rev. J 10.5 Synchronous dat a transfer The dat a transfer p eriod to be used by the drive and th e initiato r is est ablished by an exchan ge of messages during the Message Phase of ope ration. See the section on message protocol in the Parallel SCSI Interface Manual and SCSI Commands Re ference Manual .
Cheetah 15K.5 SCSI Product Manual, Rev. J 57 10.6.1 DC cable and conn ector L W model drives receive DC power through a 4- pin conn ector ( see Figure 15 for pi n assignment) mou nted at the rear of the m ain PCBA. Recommende d par t numbers of the mating connecto r are li sted below , but equiva- lent part s may be used.
58 Cheetah 15K.5 SCSI Product Man ual, Rev. J Figure 14. LC model drive physical interfa ce (80-p in J1 SCSI I/O con nector) 10.6.2 SCSI interface physical d escription Cheetah 15K.
Cheetah 15K.5 SCSI Product Manual, Rev. J 59 T able 16 shows the interface transfe r rates supported by the various drive models defined in th is manual. 10.6.3 SCSI interface cable re quirement s The charac teristics of cable s used to conn ect parallel in terface drives are discussed in the ANSI st a ndard s ref - erenced in this section.
60 Cheetah 15K.5 SCSI Product Man ual, Rev. J 10.6.4.1 Mating connectors for L W model drives The nonshielded ca ble connector shall be a 68 condu ctor co nnector consisting of two ro ws of 34 male cont act s with adjacent cont acts 0.05 0 inch (1.27 mm) ap art.
Cheetah 15K.5 SCSI Product Manual, Rev. J 61 Recommended mating 80- position PCBA mount conn ectors: Right-angle to PCBA connectors Seagate P/N: 7767 8559 Amp US P/N: 2-557101-1 Amp Japa n P/N: 5-175474 -9 For additional information ca ll Amp F AX service at 1-800-522-6752.
62 Cheetah 15K.5 SCSI Product Man ual, Rev. J Figure 16. Nons hielded 68-pin SCSI device connecto r used on L W dr ives .0787 (2.00) .519 (13.18) .315 (8.00) 3.650 (92.71) .840 – .005 (21.34) .315 – .010 (8.00) +.001 —.002 dia .083 (2.1) Trifurcated Pins (4 places) .
Cheetah 15K.5 SCSI Product Manual, Rev. J 63 Figure 17. Nons hielded 80-pin SCSI SCA-2 co nnector used on LC dr iv es 7.00 (.276) 12.70 (.500) 2.15 +/- 0.10 2 places 57.87 +/- 0.2 (2.278 +/- .008) –Y– 0.15 (.0059) MYM 62.15 +/- 0.15 (2.447 +/- 0.006) Housing X X Contact 0.
64 Cheetah 15K.5 SCSI Product Man ual, Rev. J T able 17: L W 68-conductor single-ended (SE) P cable signal/pin ass ignment s [1 1] Note. A m inus sign prec eding a sign al name in dicates that signal is active low . Notes [ ]: See page following T able 20.
Cheetah 15K.5 SCSI Product Manual, Rev. J 65 T able 18: L W 68-conductor L VD P cable signal/pin assignment s [1 1] Note. A m inus sign prec eding a sign al name in dicates t hat signal is active low .
66 Cheetah 15K.5 SCSI Product Man ual, Rev. J T able 19: LC 80-pin single-ended (SE) I/O c onne ctor pin assignment s [1 1] Note. A m inus sign prec eding a sign al name in dicates that signal is active low .
Cheetah 15K.5 SCSI Product Manual, Rev. J 67 T able 20: LC 80-pin single-ended (L VD) I/O connector pin assignment s [1 1] Note. A m inus sign prec eding a sign al name in dicates t hat signal is active low . Notes [ ] : See page following th is table.
68 Cheetah 15K.5 SCSI Product Man ual, Rev. J Notes [ ] for T ables 17 through 20 . [1] See Section 10.6.4.1 for detailed e lectrical char acteri stics of these signals. [2] The conductor number refers to the conductor posi tion when using 0.025-inch (0.
Cheetah 15K.5 SCSI Product Manual, Rev. J 69 L VD Input characteristics Each differential sign al received by L VD interf ace receiv er circuits shall have th e following input characteristics when measured at the disc drive connector: S teady state Low le vel input di ffer ential volt age = 0.
70 Cheetah 15K.5 SCSI Product Man ual, Rev. J Single-ended I/O cable pin assignment s for L W drives are shown in T able 18. Single-ende d I/O pin a ssignments for LC models are show n in T able 19. Th e L C mo del d oes not re quire an I/O cable. It is designed to connect directly to a back p a nel connector .
Cheetah 15K.5 SCSI Product Manual, Rev. J 71 10.8 T erminator requirement s Caution: These drives do not have onboa rd internal term inat ors. The user , systems integrator or host equip - ment manufacturer must provide a terminator ar rangement externa l to the drive when ter mination is required.
72 Cheetah 15K.5 SCSI Product Man ual, Rev. J 10.10 Disc drive SCSI timing T able 24: Disc drive SCSI timing These values are no t cu rre n t Cheetah 15K.
Cheetah 15K.5 SCSI Product Manual, Rev. J 73 Notes. [1] See the T iming examples section of the Parallel SCSI Interface Manu al . [2] Maximum SCSI asynchron ous interface transfer rate is given in Section 5.2.3 of this manual. [3] Synchro nous T ransfer Period is de termined by ne gotiations be tween an Initiator and a Drive.
74 Cheetah 15K.5 SCSI Product Man ual, Rev. J 10.1 1 Drive activity LED The following table provides driv e activity LED s tatus. T ab le 25: Drive ac tivity LED st atus Spindle st atus Command st atu.
Cheetah 15K.5 SCSI Product Manual, Rev. J 75 Index Symbols +5 and +12 volt supplies 23 Numerics 68-conductor co nn ector 60 68-pin connector 61 80 conductor conn ector 60 80 conductor interf ace 60 80.
76 Cheetah 15K.5 SCSI Product Man ual, Rev. J default 41 , 42 default mode parameter 39 default value 51 defect/error managem ent 35 defects 35 Deferred Auto -Reallocati on 38 delayed mo tor start opt.
Cheetah 15K.5 SCSI Product Manual, Rev. J 77 interface timing 14 internal data rate 10 IRAW 38 J J1-auxiliary 39 jumper 9 , 39 , 4 1 , 42 , 68 jumper function description 42 jumper header 41 jumper pl.
78 Cheetah 15K.5 SCSI Product Man ual, Rev. J power supply voltage 14 power-carrying conductor 60 power-on 39 , 68 power-on r eset 51 power-up 24 , 42 prefetch 1 2 prefetch (r ead look-a head) 12 pref.
Cheetah 15K.5 SCSI Product Manual, Rev. J 79 TP1 position 4 2 tracks/inch 10 tracks/surface, total 10 transfer pe riod 56 transmitter receiver circuits 69 Tunneling Magnetor esistive heads 6 U Ultra16.
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Seagate T echnology LLC 920 Disc Drive, Scotts V alley , California 95066-4 544 , USA Publication Number: 1003847 76, Rev . J.
Ein wichtiger Punkt beim Kauf des Geräts Seagate ST3146855LW (oder sogar vor seinem Kauf) ist das durchlesen seiner Bedienungsanleitung. Dies sollten wir wegen ein paar einfacher Gründe machen:
Wenn Sie Seagate ST3146855LW noch nicht gekauft haben, ist jetzt ein guter Moment, um sich mit den grundliegenden Daten des Produkts bekannt zu machen. Schauen Sie zuerst die ersten Seiten der Anleitung durch, die Sie oben finden. Dort finden Sie die wichtigsten technischen Daten für Seagate ST3146855LW - auf diese Weise prüfen Sie, ob das Gerät Ihren Wünschen entspricht. Wenn Sie tiefer in die Benutzeranleitung von Seagate ST3146855LW reinschauen, lernen Sie alle zugänglichen Produktfunktionen kennen, sowie erhalten Informationen über die Nutzung. Die Informationen, die Sie über Seagate ST3146855LW erhalten, werden Ihnen bestimmt bei der Kaufentscheidung helfen.
Wenn Sie aber schon Seagate ST3146855LW besitzen, und noch keine Gelegenheit dazu hatten, die Bedienungsanleitung zu lesen, sollten Sie es aufgrund der oben beschriebenen Gründe machen. Sie erfahren dann, ob Sie die zugänglichen Funktionen richtig genutzt haben, aber auch, ob Sie keine Fehler begangen haben, die den Nutzungszeitraum von Seagate ST3146855LW verkürzen könnten.
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