Seagate Savvio 300GB SAS manuale d’uso

Product Manual Savvio ® 15K.3 SAS 100629381 Rev . B April 201 1 St andard Models ST9300653SS ST9146853SS Self-Encrypting Drive Models ST9300553SS ST9146753SS SED FIPS14 0-2 Models ST9300453SS ST9146653SS[...]

Revision history © 201 1, Seagate T echnology LLC All rights re served. Publication number: 1006 29381, Rev . B April 201 1 Seagate, Seagate T echnology and the W ave lo go are registe red trademarks of Se agate T echnology LLC in the United S tates and/or other countries. Sa vvio and SeaT ools are either tradem arks or regis - tered trademarks of[...]

Savvio 15K.3 SAS Product Manual, Rev. B i Content s 1.0 Seagate Technology support services . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 2.0 Scope . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 3.0 Applic[...]

ii Savvio 15K.3 SAS Pr oduct M anual, Rev. B 7.4 Power dissipation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29 7.5 Environmental limits . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31 7.5.1 Temperature . . . . . . . [...]

Savvio 15K.3 SAS Product Manual, Rev. B iii 12.4.1 SAS physical interface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 57 12.4.2 Physical characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 60 12.4.3 Connector requirements. . . . . . . . . . . . . . . . . .[...]

iv Savvio 15K.3 SAS Pr oduct M anual, Rev. B[...]

Savvio 15K.3 SAS Product Manual, Rev. B v List of Figures Figure 1. Current profile for 300GB models. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27 Figure 2. Current profile for 146GB models . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28 Figure 3. 300GB m[...]

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Savvio 15K.3 SAS Product Manual, Rev. B 1 1.0 Seagate T echnology support services SEAGA TE ONLINE SUPPORT and SERVICES For information regarding pr oducts and services, visit http://www . sea gate.com/www/en-us/ about/contact_us/ Available ser vices include: Presales & T echnical support Global Support Services telephone nu mbers & busines[...]

2 Savvio 15K.3 SAS Pr oduct Manua l, Rev. B 2.0 Scope This manual describes Seagate T echnology ® LLC, Savvio ® 15K.3 SAS (Serial Attached SCSI) disc drives. Savvio drives support the SAS Protoc ol specifications to the extent described in this manual. The SAS Inter- face Manual (p art number 1 00293071) descri bes the general SAS characteristics[...]

Savvio 15K.3 SAS Product Manual, Rev. B 3 3.0 Applicable st andards an d reference document ation The drives documented in this manual have been developed a s system peripherals to th e highest st andards of design and constructio n. The drives depend on host eq uipment to provide adequate power and e nvironment for optimum performan ce and complia[...]

4 Savvio 15K.3 SAS Pr oduct Manua l, Rev. B 3.1.2 Electromagnetic compliance Seagate uses an in dependent laborator y to confirm comp liance with the directives/st andards for CE Marking and C-T ick Mar king. The drive was tested in a repr esen tative system for typical applications. The selected sys- tem represe nts the most popular charac teristi[...]

Savvio 15K.3 SAS Product Manual, Rev. B 5 3.1.3 European Union Restriction of Hazardous Subst ances (RoHS) The Europea n Union Restric tion of Haz ardous Subs tances (RoHS) Dire ctive restricts the pr esence of ch emical sub stances, including Lead (Pb ), in electronic products ef fective July 2006. A number of part s and materi als in Seagate prod[...]

6 Savvio 15K.3 SAS Pr oduct Manua l, Rev. B 3.2 Reference document s SAS Interfac e Manual Seagate p art n umber: 10029 3071 SCSI Commands Reference M anual Seagate p art n umber: 10029 3068 Self-Encrypting Drives Reference Manual Seagate p art n umber: 10051 5636 ANSI SAS Documents SFF-8323 3.5” Drive Form Fa ctor with Serial Connecto r SFF-8460[...]

Savvio 15K.3 SAS Product Manual, Rev. B 7 4.0 General description Savvio drives provide high performance, high ca pacity da t a storage for a var iety of systems including engi- neering workst ations, network se rvers, mainframes, and supercomputers. T he Serial Att ached SCSI interface is designed to meet next- generation computing demands for per[...]

8 Savvio 15K.3 SAS Pr oduct Manua l, Rev. B 4.1 St andard features Savvio drives have the following st andard features: • Perpendicu lar recording technology • 1.5 / 3 / 6 Gb Serial Attached SCSI (SAS) interface • Integrated dual port SAS controller suppor ting the SCSI protocol • Support for SAS exp anders and fanout ada pters • Firmware[...]

Savvio 15K.3 SAS Product Manual, Rev. B 9 4.3 Performance • Firmware-controlled multis egmented cache designed t o dynamically adjust segments for enhanced system performance • 600 MB/s maximu m instantaneous data transfers • 15K RPM spindle. A verage latency = 2.0 ms • Background processing of queu e • Support s start and stop commands ([...]

10 Savvio 15K.3 SAS Pr oduct M anual, Rev. B 4.6 Programmable drive cap acity Using the Mode Select command, the d rive can change its cap acity to something less than maximum. See the Mode Select (6) parameter list t able in the SAS Interface Manual , p art numbe r 100293071. A value of zero in the Number of Blocks field indicates that the drive w[...]

Savvio 15K.3 SAS Product Manual, Rev. B 11 5.0 Performance characteristics This section provides detailed inform ation concerning performance-rela ted characteristics and featu res of Sav- vio drives. 5.1 Internal drive characteristics ST9300653SS ST9146853SS ST9300553SS ST9146753SS ST9300453SS ST9146653SS Drive capacity 300 146 GB (formatted, roun[...]

12 Savvio 15K.3 SAS Pr oduct M anual, Rev. B 5.2.2 Format command execution tim e ST9300653SS ST9300553SS ST9300453SS ST9146853SS ST9146753SS ST9146653SS Maximum (with verify) 60 minutes 30 minutes Maximum (without verify) 30 minutes 15 minutes Execution time measured fr om receipt of the last byte of the Command De scriptor Block (CDB) to th e req[...]

Savvio 15K.3 SAS Product Manual, Rev. B 13 5.4 Prefetch/multi-segmented cache control The drive provides a prefetch (read look-ahe ad) and mu lti-segmen ted cache control algorithms tha t in many cases can enhance system performance. Cache refers to the drive buf fer storage sp ace when it is u sed in cache operations. T o select this feature, the [...]

14 Savvio 15K.3 SAS Pr oduct M anual, Rev. B 5.5.1 Caching write data Write caching is a wr ite operat ion by the dr ive that make s use of a driv e buffer storage ar ea where the data to be written to the med ium is stored while the drive performs the W rite command. If read caching is enabled (RCD=0), th en data written to t he medium is r etaine[...]

Savvio 15K.3 SAS Product Manual, Rev. B 15 6.0 Reliability specifications The following reliability specifications assume correct host and drive operational interfac e, including all inter- face timings, power supply volt ages, environment al requirements and drive mounting const raints. 6.1 Error rates The error rates st ated in this manual assume[...]

16 Savvio 15K.3 SAS Pr oduct M anual, Rev. B 6.1.3 Seek 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 perfor ms an er ror recovery proce ss. If the error recovery process fails, a seek positioning error (E rror code = 15h or 02[...]

Savvio 15K.3 SAS Product Manual, Rev. B 17 6.2.4 S.M.A.R.T . S.M.A.R.T . is an acronym for Self-Monitoring Analysis and Reporting T e chnology . This technology is intended to recognize conditions that indicate imminen t drive failu re and is designed to provide suf ficie nt warning of a failure to allow you to back up the dat a before an actual fa[...]

18 Savvio 15K.3 SAS Pr oduct M anual, Rev. B Error rate is the number of er rors per operation . The algori th m that S.M.A.R.T . uses to record rates of erro r is to set thresholds for the number of errors and their interval . If the number of errors exceeds the threshold b efore the interval expires, the err or rate is considered to be unacceptab[...]

Savvio 15K.3 SAS Product Manual, Rev. B 19 6.2.6 Drive Self T est (DST ) Drive Self T est (DST) is a technology designed to recogn ize drive fault conditions th at qualify the drive as a failed unit. DST validates the functiona lity of the drive at a system level. There are two test coverage options imple mented in DST : 1. Extended test 2. Short t[...]

20 Savvio 15K.3 SAS Pr oduct M anual, Rev. B 6.2.6.2. 3 Short and extended t ests DST has two testing optio ns: 1. short 2. extend ed These testing options are describ ed in the following two subsections. Each test consists of three segment s: an electrical te st segment, a serv o test segm ent, and a read/verify s can segment. Short test (Function[...]

Savvio 15K.3 SAS Product Manual, Rev. B 21 6.2.7 Product warranty See Section 1.0 for warranty con tact informatio n. Shipping When transporting or shipp ing a drive, use only a Seaga te-approved co ntainer . Keep your original box. Sea- gate approved cont ainers are ea sily identified by th e Seagate Appro ved Package label. Shipping a drive in a [...]

22 Savvio 15K.3 SAS Pr oduct M anual, Rev. B 7.0 Physical/electrical specifications This section provides information relating to the physical and electrical characteristics of the dr ive. 7.1 PowerChoice TM power management Drives using the CSS architectu re have limited power management cap ability . The ta ble below lists th e supported PowerCho[...]

Savvio 15K.3 SAS Product Manual, Rev. B 23 7.1.1 PowerChoice reporting methods PowerChoice TM provides these reporting me thods for tracking purposes: Request Sense command report s • Current power conditio n • Method of en try Note. Processing the Request Sense command does not impact the drive’ s power save st ate. Mode Sense command report[...]

24 Savvio 15K.3 SAS Pr oduct M anual, Rev. B T able 2: 300GB models DC power requirement s Notes 3.0 Gb mod e 6.0 Gb mode Parameter (Amps) (Amps) (Amps) (Amps) Vo l t a g e +5V +12V [2] +5V +12V [2] Regulation [5] ±5% ±5% [2] ±5% ±5% [2] Avg idle current DC [1] [7] 0.36 0.20 0.37 0.20 S tandby 3 σ 0.31 0.06 0.31 0.05 Maximum starting c urrent [...]

Savvio 15K.3 SAS Product Manual, Rev. B 25 [1] Measured with average reading DC ammeter . Instantaneous +12V cu rrent peaks will exceed these val - ues. Power supply at nominal volt age. N (number of drives tested) = 6, 35 Degrees C ambi ent. [2] For +12 V , a –10% tolerance is a llowed during initial spin dle start but must return to ±5% before[...]

26 Savvio 15K.3 SAS Pr oduct M anual, Rev. B General DC power requirement notes. 1. Minimum cu rrent loading for each supply voltage is not less than 1.7% of the maximum opera ting current shown. 2. The +5V and +12V supplies should employ sep arate ground re turns. 3. Where power is provided to multiple drives from a co mmon supply , careful consid[...]

Savvio 15K.3 SAS Product Manual, Rev. B 27 7.3.3 Current profiles The +12V and +5V current profiles for th e Savvio 15K.3 SAS drives are shown below . Figure 1. Current profile for 30 0GB models.[...]

28 Savvio 15K.3 SAS Pr oduct M anual, Rev. B Figure 2. Current profile for 146GB models Note: All times and currents are typical. See T abl es 2 and 3 for maximum current requirements.[...]

Savvio 15K.3 SAS Product Manual, Rev. B 29 7.4 Power dissip ation 300GB models in 6Gb operati on T ypical power dissipation under idle conditions in 6Gb operation is 4.2 3 watts (14.43 BTUs per hour). T o obtain operatin g power for typical ra ndom read operatio ns, refer to the following I/O rate curve (see Figure 3). Locate the typical I/O rate f[...]

30 Savvio 15K.3 SAS Pr oduct M anual, Rev. B 146GB models in 6Gb operati on T ypical power dissipation under idle conditions in 6Gb operation is 3.86 watt s (13.17 BTUs per hour) . T o obtain operatin g power for typical ra ndom read operatio n s, refer t o the followin g I/O rate curve (see Figure 3). Locate the typical I /O rate for a drive in y [...]

Savvio 15K.3 SAS Product Manual, Rev. B 31 7.5 Environment al limit s T emperature and humidity values experienced by the driv e must be such th at condens ation does not occur on any drive part. Altitude and atmospheric p ressure specif ications are referenced to a stan dard day at 58.7°F (14.8°C). Ma ximum wet b ulb temper ature is 82°F (28°C[...]

32 Savvio 15K.3 SAS Pr oduct M anual, Rev. B 7.5.3 Effective altitude (sea level) a. Operating –1000 to +10,000 ft (–30 4.8 to +3048 m) b. Non-operatin g –1000 to +40,000 ft (–304.8 to +12,192 m) 7.5.4 Shock and vibration Shock and vibration limits specified in this document are measured directly on the drive chassis. If the drive is instal[...]

Savvio 15K.3 SAS Product Manual, Rev. B 33 Z Y X Z Y X Figure 8. Rec ommended moun ting Note. Image is for reference only , may not represent actua l drive. 7.5.4.2 Vibration a. Operating—normal The drive as inst alled for norm al operation, shall comply with the complete sp ecified performance while subjected to continuous vi bration not exceedi[...]

34 Savvio 15K.3 SAS Pr oduct M anual, Rev. B c. Non-operating The limits of non-op erating vibration shall apply to all conditions of handling and transportation. This includes both isolated driv es and integrated drives. The drive shall not incur physica l damage or degraded perfor mance as a result of continuous vibration not exceeding: 5 - 22 Hz[...]

Savvio 15K.3 SAS Product Manual, Rev. B 35 7.6 Mechanical specifications Refer to Figure 9 for det ailed mounting configuratio n dimensions. See Section 1 1.3, “Drive mounting.” Note. These dimensions conform to the Small Form Factor S tandard documented in SFF-8201 a nd SFF-8223, found at www .sffcommittee.org. in mm in mm in mm Figure 9. Dime[...]

36 Savvio 15K.3 SAS Pr oduct M anual, Rev. B 8.0 About FIPS The Federal Information Proce ssing S t andard (FIPS) Pub lication 140-2, FIPS PU B 140-2, is a U.S. gover n- ment computer security st andard used to accre dit cryptogr aphic modules. It is titled “Secur ity Requirements for Cryptographic Mo dules”. The initial publication was on M ay[...]

Savvio 15K.3 SAS Product Manual, Rev. B 37 9.0 About self-e ncrypting drives Self-encrypting drives (SEDs) offer encryption and secu rity services for the pr otection of stored dat a, com- monly known as “protection of data at rest.” These drives are compliant with the T r usted Computing Group (TCG) Enterprise S torage S pecificat ions as deta[...]

38 Savvio 15K.3 SAS Pr oduct M anual, Rev. B 9.2.2 Locking SP The Locking SP contro ls read/write a ccess to the med ia and the cryptogr aph ic erase feature. Access to the Locking SP is available using the BandMasterX or Er aseMaster passwo rds. Since the drive owner ca n define up to 16 data bands on the drive, each dat a band has its own p asswo[...]

Savvio 15K.3 SAS Product Manual, Rev. B 39 9.7 Authenticated firmware do wnload In addition to providing a locking mechanism to preven t unwanted firmware download atte mpts, the drive als o only accepts download files which have been cryptographica lly signed by the appropriate Seagate Design Center . Three conditions must be met before the drive [...]

40 Savvio 15K.3 SAS Pr oduct M anual, Rev. B 10.0 Defect and er ror management Seagate continues to use innova tive technologies to manage d efects and erro rs. These technologies ar e designed to increase dat a integrity , perform drive self-mainten ance, and validat e proper drive o peration. SCSI defect and error management involves dr ive in te[...]

Savvio 15K.3 SAS Product Manual, Rev. B 41 The drive firmware error recovery algori thms consists of 20 leve ls for read recoveries and six levels for write. Each level may consist of multiple st eps, where a step is defin ed as a re covery function involving a single re- read or re-write a ttempt. The maximum level use d by the drive in LBA recove[...]

42 Savvio 15K.3 SAS Pr oduct M anual, Rev. B service by the host system. On regula r duty drives, if the host system make s use of the BMS Log Page, it can avoid placing data in suspect locati ons on the media. Unreadable and re covered error sites will be logged or reallocated per ARRE/A WRE settings. With BMS, the host system can cons ume less po[...]

Savvio 15K.3 SAS Product Manual, Rev. B 43 10.8 Protection Information (PI) Protection Information is intended as a sta ndardized ap proach to system level LRC trad itionally provided by systems using 520 byte formatted LBAs. Drives form atted with PI information provide the same , common LBA count (i.e. same capacity point) as non-PI formatted dri[...]

44 Savvio 15K.3 SAS Pr oduct M anual, Rev. B 1 1.0 Inst allation Savvio disk drive installation is a plug-and-play process. There are no jumper s, switches, or terminators on the drive. SAS drives are designed to be used in a host system that provides a SAS-compatible backplane with bays designed to accommo date the drive. In su ch systems, the hos[...]

Savvio 15K.3 SAS Product Manual, Rev. B 45 1 1.2 Cooling Cabinet cooling must be desig ned by the customer so that the ambient tempera ture immediately su rrounding the drive will not exceed temperat ure conditions specified in Section 7.5.1, "T emperature." The rack, cabinet, or drawer envir onment for the driv e must provide heat rem ov[...]

46 Savvio 15K.3 SAS Pr oduct M anual, Rev. B 1 1.3 Drive mounting Mount the drive usin g the bottom or side mou nting holes . If you mou nt the drive using the bottom holes, ensur e that you do not physica lly distort the drive by at tempting to mount it on a stiff, no n-flat surface. The allowable mountin g surface stiffne ss is 80 lb/i n (14.0 N/[...]

Savvio 15K.3 SAS Product Manual, Rev. B 47 12.0 Interface requirement s This section partially describes the interface requ irements as impl emented on Savvio drives. Additiona l infor- mation is provided in the SAS Interface Manual (p art number 1 00293071). 12.1 SAS features This section lists the SAS-specific f eatures supported by Savvio drives[...]

48 Savvio 15K.3 SAS Pr oduct M anual, Rev. B 12.2 Dual port support Savvio SAS drives have two indep endent port s. These ports may be connected in the same or dif ferent SCSI domains. Each drive port has a unique SAS address. The two ports have the capabilit y of independent port clocki ng (e.g. both ports can run at 6Gb/s or the first port can ru[...]

Savvio 15K.3 SAS Product Manual, Rev. B 49 LP bit N Protocol-specific Log Pa ge for SAS (18h) Y Log Sense 4Dh Y Application Client Log page (0Fh) Y Buf fer Over-run/Und er-run p age (01h) N Cache S tatistics p age (37h) Y Factory Log page (3Eh) Y Information Exception s Log page (2Fh ) N Last n Deferred Errors or Asyn chronous Event s page (0 Bh) N[...]

50 Savvio 15K.3 SAS Pr oduct M anual, Rev. B DPO bit supported Y FUA bit supporte d Y Read (12) A8h N Read (16) 88h Y Read (32) 7Fh/0009h N Read Buffer (modes 0, 2, 3, A h and Bh su pported) 3Ch Y (non-SED drives only) Read Cap acity (10) 25h Y Read Cap acity (16) 9Eh/10h Y Read Defect Data (10) 37h Y Read Defect Data (12) B7h Y Read Long 3Eh Y (no[...]

Savvio 15K.3 SAS Product Manual, Rev. B 51 [1] Savvio drives can format to 512, 520, 524, or 528 bytes per logical blo ck. [2] War ning. Power loss during flash programming can r esult in firmware corruption. This usually makes the drive inoperable. [3] Reference Mode Sense comma nd 1Ah for mode p ages supported. [4] Y = Y es. Command is supported.[...]

52 Savvio 15K.3 SAS Pr oduct M anual, Rev. B 12.3.1 Inquiry data T able 8 lists the In quiry command dat a that the drive sho uld return to th e initiator per th e format given in the SAS Interfac e Manual . T able 8: Savvio inquiry dat a Bytes D at a (hex) 0-15 00 00 03** 12 8B 00 PP 0A 53 45 41 47 41 54 45 20 V endor ID 16-31 [53 54 39 33 30 30 3[...]

Savvio 15K.3 SAS Product Manual, Rev. B 53 Select command before the dr ive achieves operating spee d and is “read y . ” An attempt to do so results in a “Check Condition” status. On drives requiring uniq ue saved values, the req uired unique saved values are stored in to the saved val - ues storage location on the media prior to shipping t[...]

54 Savvio 15K.3 SAS Pr oduct M anual, Rev. B T able 9: Mode Sense data def ault and changeable values f or 300GB drives MODE DATA HEADER: 00 00 05 12 8B 01 30 02 MODE PAGES: DEF 81 0A C0 14 FF 00 00 00 05 00 FF FF CHG 81 0A FF FF 00 00 00 00 FF 00 FF FF DEF 82 0E 00 00 00 00 00 00 00 00 01 3A 00 00 00 00 CHG 82 0E 00 00 00 00 00 00 00 00 FF FF 00 0[...]

Savvio 15K.3 SAS Product Manual, Rev. B 55 T able 10: Mode Sense dat a default and changeable values for 146GB drives MODE DATA HEADER: 00 00 05 12 8B 01 30 02 MODE PAGES: DEF 81 0A C0 14 FF 00 00 00 05 00 FF FF CHG 81 0A FF FF 00 00 00 00 FF 00 FF FF DEF 82 0E 00 00 00 00 00 00 00 00 01 3A 00 00 00 00 CHG 82 0E 00 00 00 00 00 00 00 00 FF FF 00 00 [...]

56 Savvio 15K.3 SAS Pr oduct M anual, Rev. B 12.4 Miscellaneous operating features and conditio ns T able 1 1 lists various featur es and cond itions. A “Y” in the support column indicates the feature or condition is supported. An “N” in the support column indicates the feat ure or condition is not supported. T able 1 1: Miscellaneous featu[...]

Savvio 15K.3 SAS Product Manual, Rev. B 57 12.4.1 SAS physical interfac e Figure 13 shows the location of the SAS device c onnector J1. Figures 14 and 15 provide the dimensions of the SAS connector . Details of the physical, electrical, an d logical char acteristics are provided wi thin this section . The operational aspects of Seagate’ s SAS dri[...]

58 Savvio 15K.3 SAS Pr oduct M anual, Rev. B Figure 14. SAS d evice pl ug dimensio 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 0.15 D 0.30 0.05 (2X) 41.13 0.15 B B C C A A 0.20 B 42.73 REF. C OF DATUM D L 1.10 R0.30 0.08 (4X) 2.00 ([...]

Savvio 15K.3 SAS Product Manual, Rev. B 59 Figure 15. SAS d evice pl ug dimensio ns (detail) 6.10 Detail A 0.30 0.05 x 45 (5X) 0.40 0.05 X 45 (3X) CORING ALLOWED IN THIS AREA. 2.25 0.05 4.85 0.05 0.10 B E S14 S8 4.40 0.15 SEE Detail 2 3.90 0.15 SECTION A - A SECTION C - C A 0.35 0.05 45 R0.30 0.08 C 1.95 0.08 0.08 0.05 1.23 0.05 0.08 0.05 Detail 2 [...]

60 Savvio 15K.3 SAS Pr oduct M anual, Rev. B 12.4.2 Physical characterist ics This section defines phys ical inter face connector . 12.4.3 Connector requirement s Contact your prefe rred connector manufacturer for mati n g part info rmation. Part numbers for SAS co nnectors will be provided in a future re vision of this publication when production [...]

Savvio 15K.3 SAS Product Manual, Rev. B 61 12.4.6 SAS transmitte rs and receivers A typical SAS differential copper transm itter and receiver p air is shown in Figure 16. The rece iver is AC cou- pling to eliminate ground shif t noise. Figure 16. SAS trans mitters and rec eivers 12.4.7 Power The drive receives power (+5 volts and +12 volts) throug [...]

62 Savvio 15K.3 SAS Pr oduct M anual, Rev. B The Ready LED Out signal is designed to pu ll down t he cath ode of an LED. The anode is att ached to the proper +3. 3 volt supply th rough an appropriat e current lim iting resistor . The LED an d the curr ent limiting re sis- tor are ext ernal to th e drive. See T able 15 for the output ch aracteristic[...]

Savvio 15K.3 SAS Product Manual, Rev. B 63 Index Numerics 12 volt pins 61 5 volt pins 61 6 Gbps 62 A abort task set function 47 AC coupling 61 AC power requirements 23 ACA active status 56 ACA active, faulted initiator status 56 acoustics 34 active LED Out signal 61 actuator 9 assembly desig n 7 adaptive caching 56 Admin SP 37 AES-128 data encrypti[...]

64 Savvio 15K.3 SAS Pr oduct M anual, Rev. B dimensions 35 disc rota tion speed 11 drive 34 drive characteristics 11 Drive Locking 38 drive mounting 35 , 46 drive select 60 dual port support 48 E electrical description of co nnector 60 signal characteristics 61 specifications 22 electromagnetic compatibility 3 Electromagnetic Compatibility (EMC ) 4[...]

Savvio 15K.3 SAS Product Manual, Rev. B 65 logical block reallocation scheme 8 logical block size 8 , 12 M maintenance 15 Makers Secure ID 37 maximum delayed motor start 24 , 25 maximum start current 24 , 25 mean time betw een failure. See MTBF media descrip tion 8 Media Pre-Sca n 42 miscellaneous feature supp ort Adaptive caching 56 Asynchronous e[...]

66 Savvio 15K.3 SAS Pr oduct M anual, Rev. B read/write data heads 11 receivers 61 recommended m ounting 33 Recoverable Errors 15 recovered me dia data 1 5 reference documents 6 relative humidity 31 reliability 9 specifications 15 reliability and service 16 repair and retu rn information 21 reporting actual retry count 56 reservation conflict statu[...]

Savvio 15K.3 SAS Product Manual, Rev. B 67 V vibration 32 , 33 , 34 W warranty 21 Z zero latency read 56 zone bit recording (ZBR) 8[...]

68 Savvio 15K.3 SAS Pr oduct M anual, Rev. B[...]

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Seagate T echn ology LLC 920 Disc Drive, Scotts V alley, California 95066 -4544, USA Publication Number: 1006 29381, Rev . B[...]