Seagate ST9146853SS manual

Product Manual Savvio ® 15K.3 SAS 100629381 Rev . A December 2010 St andard Models ST9300653SS ST9146853SS Self-Encrypting Drive Models ST9300553SS ST9146753SS SED FIPS14 0-2 Models ST9300453SS ST9146653SS[...]

© 2010, Seagate T echnology LLC All rights reserved. Publication number: 1006 29381, Rev . A December 2010 Seagate, Seagate T echnology an d the W ave lo go are registe re d trademarks of Seaga te T echnology LLC in the United S tates and/or other countries. Sa vvio and SeaT ools are either tra demarks or regis - tered trademarks of Seaga te T ech[...]

Savvio 15K.3 SAS Product Manual, Rev. A 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. A 7.4 Power dissipation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29 7.5 Environmental limits . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31 7.5.1 Temperature . . . . . . . [...]

Savvio 15K.3 SAS Product Manual, Rev. A 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. A[...]

Savvio 15K.3 SAS Product Manual, Rev. A 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. A 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 & business[...]

2 Savvio 15K.3 SAS Pr oduct Manua l, Rev. A 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. A 3 3.0 Applicable st andards an d ref erence document ation The drives documented in this manual have been developed a s system per ipher als to th e hi ghest st andard s of design and constructio n. The drives depend on host eq uipment to provide ad equate power and environme nt for optimum performan ce and c[...]

4 Savvio 15K.3 SAS Pr oduct Manua l, Rev. A 3.1.2 Electromagnetic complian ce Seagate uses an in dependent laboratory to confirm comp liance with the directives/st andards for CE Marking and C-T ick Mar king. The drive was teste d in a repr esen t ative system for typical applications. The selected sys- tem represe nts the most pop ula r ch ar ac t[...]

Savvio 15K.3 SAS Product Manual, Rev. A 5 3.1.3 European Union Restr iction of Hazardous Subst ances (RoHS) The Europea n Union Restric tion of Haz ardous Substances ( RoHS) Directiv e restricts the pres ence of chem ical substances, including Lea d (Pb), in electronic product s effective July 2006. A number of part s and materials in Seag ate prod[...]

6 Savvio 15K.3 SAS Pr oduct Manua l, Rev. A 3.2 Reference document s SCSI Commands Reference M anual Seagate p art number : 100293068 SAS Interfac e Manual Seagate p art number : 100293071 ANSI SAS Documents SFF-8223 2.5” Drive Form Fa ctor with Serial Connector SFF-8460 HSS Backplane Design Guideline s SFF-8470 Multi Lane Copper Connecto r SFF-8[...]

Savvio 15K.3 SAS Product Manual, Rev. A 7 4.0 General description Savvio drives provide high performance, high cap acity da t a storage for a variety of system s including engi- neering workst ations, network se rvers, mainframes, and su percomputers. The Serial Attache d SCSI interface is designed to meet next- generation computing demands for per[...]

8 Savvio 15K.3 SAS Pr oduct Manua l, Rev. A 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 adapter s • Firmware[...]

Savvio 15K.3 SAS Product Manual, Rev. A 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 da ta transfer s • 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. A 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 number 100 293071. A value of zero i n the Number of Blocks field indicates that the drive [...]

Savvio 15K.3 SAS Product Manual, Rev. A 11 5.0 Performance characteristics This section provides detailed inform ation concerning perfor mance-r elate d characteristics an d features of Sav- vio drives. 5.1 Internal drive characteristics ST9300653SS ST9146 853SS ST9300553SS ST9146 753SS ST9300453SS ST9146 653SS Drive capacity 300 146 GB (formatted,[...]

12 Savvio 15K.3 SAS Pr oduct M anual, Rev. A 5.2.2 F ormat co mma n d exe cu ti o n tim e Execution time measured fr om receipt of the last byte of the Command Descr iptor Block (CDB) to the req uest for a S t atus Byte T ransfer to the Init iator (ex cluding conn ect/disconnect ). When changing sector sizes, the format times show n above may need [...]

Savvio 15K.3 SAS Product Manual, Rev. A 13 5.4 Prefetch/multi-segmented cache control The drive provides a prefetch (read look-ahe ad) and mu lti-segmente d cache control algorithms that in ma ny cases can enhance system performance. Cache refers to the drive buf fer storage sp ace when it is used i n cache operations. T o select this feature, the [...]

14 Savvio 15K.3 SAS Pr oduct M anual, Rev. A 5.5.1 Caching write dat a Write caching is a wr ite op eration by the dr ive that m akes us e of a driv e buffer storag e area where th e data to be written to the med ium is stored while the drive performs the W rite command. If read caching is en abled (RCD=0), then data written to t he medium is ret a[...]

Savvio 15K.3 SAS Product Manual, Rev. A 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 a l requiremen ts and drive mou n tin g con st raints. 6.1 Error rates The error rates st ated in this manual [...]

16 Savvio 15K.3 SAS Pr oduct M anual, Rev. A 6.1.3 Seek errors A seek error is defined as a failure of the drive to posi tion the heads to the addressed track. After de tecting an initial seek error , the drive automatically perfor ms an er ror recovery process. If the error recovery process fails, a seek positioning error (E rror code = 15h or 02h[...]

Savvio 15K.3 SAS Product Manual, Rev. A 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 ficient warni ng 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. A Error rate is the number of er rors per operation . The algori thm that S.M.A.R.T . uses to reco rd rates of error is to set thresholds for the number of errors and their interval . If the number of errors exceeds th e threshold before the interval expires, the err or rate is considered to be unacceptabl[...]

Savvio 15K.3 SAS Product Manual, Rev. A 19 6.2.6 Driv e Sel f T est (DST ) Drive Self T est (DST) is a technology designe d 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. Shor[...]

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

Savvio 15K.3 SAS Product Manual, Rev. A 21 6.2.7 Pro duct warra nty Beginning on the date of shipment to the customer an d continuing for the period specified in your purchase contract, Seagate war rants that each product (including compon ents and su bassemblies) that fails to function properly under normal use du e to defect in mate rials or work[...]

22 Savvio 15K.3 SAS Pr oduct M anual, Rev. A 7.0 Physical/electrical specifications This section provides information relating to the physical and electrical characteri stics of the dr ive. 7.1 PowerChoice TM power manageme nt Drives using the CSS architectu re have limited power management cap ability . The ta ble below list s the suppor ted Power[...]

Savvio 15K.3 SAS Product Manual, Rev. A 23 7.1.1 PowerChoice reporting methods PowerChoice TM provides these reporting me thods for trackin g purposes: Request Sense command report s • Current power conditio n • Method of en try Note. Processing the Request Sense command does no t impact the drive’ s power save st ate. Mode Sense command repo[...]

24 Savvio 15K.3 SAS Pr oduct M anual, Rev. A T able 2: 300GB models DC power requirements Notes 3.0 Gb mod e 6.0 Gb mode Parameter (Amps) (Amp s) (Amp s) (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. A 25 [1] Measured with average reading DC ammeter . Instant aneous +12V cu rrent peaks will exceed these val - ues. Power supply at nominal volt age. N (number of drives tested) = 6, 35 Degrees C ambient. [2] For +12 V , a –10% tolerance is allowed durin g initial spindle st art but must retu rn to ±5% befor[...]

26 Savvio 15K.3 SAS Pr oduct M anual, Rev. A General DC power requirement notes. 1. Minimum cu rrent loading for each su pply voltage is not less than 1.7% of the ma ximum operating curren t shown. 2. The +5V and +12V supplies should employ sep arate ground re turns. 3. Where power is provided to multiple drives from a common supply , careful consi[...]

Savvio 15K.3 SAS Product Manual, Rev. A 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. A Figure 2. Current profile for 146GB models Note: All times and currents are typical. See T ables 2 a nd 3 for maximum current requirements.[...]

Savvio 15K.3 SAS Product Manual, Rev. A 29 7.4 Power dissip ation 300GB models in 6Gb operati on T ypical power dissipation under idle conditions in 6Gb operation is 4.23 wa tts (14.43 BTUs per hou r). T o obtain ope rating power for typica l random read operatio ns, refer to the following I/O rate curve (see Figure 3). Locate the typical I/O ra te[...]

30 Savvio 15K.3 SAS Pr oduct M anual, Rev. A 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 ope rating power for typica l random read operatio n s, refer to the following I/O rate cu rve (see Figur e 3). Locate the typical I/O ra te for a drive in you[...]

Savvio 15K.3 SAS Product Manual, Rev. A 31 7.5 Environment al limit s T emperature and hum idity 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 refer enced to a standar d day at 58.7°F (14.8°C). Ma ximum wet b ulb temper ature is 82° F (28[...]

32 Savvio 15K.3 SAS Pr oduct M anual, Rev. A 7.5.3 Effective altitude (sea level) a. Operating –1000 to +10,000 ft (–304.8 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 measu red dir ectly on the drive chassis. If the drive is insta[...]

Savvio 15K.3 SAS Product Manual, Rev. A 33 Figure 8. Rec ommended moun ting 7.5.4.2 Vibration a. Operating—normal The drive as inst alled for normal op eration, shall comply with the complete sp ecified performance while subjected to continuous vi bration not exceeding 5 - 500 Hz, swept sine: 0.5 G (zero to peak) 10 - 500 H z, random : 0.000 51 G[...]

34 Savvio 15K.3 SAS Pr oduct M anual, Rev. A 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 a nd integrated d rives. The drive shall not incur physica l damage or degraded performan ce as a result of continuous vibration not exceeding: 5 - 22 [...]

Savvio 15K.3 SAS Product Manual, Rev. A 35 7.6 Mechanical specifications Refer to Figure 9 for det ailed mounting con figuration di mens ions. Note that these dimen sions are in line with the Small Form Factor S tandard documented in SFF-82 01 and SFF-8223. See Section 1 1.3 , “ Dri ve mou nting.” Figure 9. Dimen sions Weight: 300GB models : 0.[...]

36 Savvio 15K.3 SAS Pr oduct M anual, Rev. A 8.0 About FIPS The Federal Information Proce ssing S t andard (FIPS) Publication 1 40-2, FIPS PU B 140-2, is a U.S. govern- ment computer security st andar d used to accredit cryptogr aphic modules. It is titled “Security Req uirement s for Cryptographic Mo dule s”. Th e initial pub licat ion was on [...]

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

38 Savvio 15K.3 SAS Pr oduct M anual, Rev. A 9.2.2 L oc k in g SP The Locking SP contro ls read/write a ccess to the medi a and the cryptogr aphic e rase feature. Access to the Locking SP is available using the BandMasterX or Er aseMaster passwo rds. Since the drive owner can defin e up to 16 data bands on the drive, each dat a band has its own p a[...]

Savvio 15K.3 SAS Product Manual, Rev. A 39 9.6 Cryptographic erase A significant featur e of SEDs is the ability to perform a cryptograp hic erase. This involv es the host telling the drive to change the dat a encryption key for a p articu lar band. On ce ch ang ed, the dat a is no longe r r ecoverable since it was written with one key and will be [...]

40 Savvio 15K.3 SAS Pr oduct M anual, Rev. A 10.0 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-mainten ance, and validat e p roper drive operation . SCSI defect and error management involves dr ive in te[...]

Savvio 15K.3 SAS Product Manual, Rev. A 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 defined as a re covery function involving a single re- read or re-write a ttempt. The maximum level used b y the drive in LBA r ecove[...]

42 Savvio 15K.3 SAS Pr oduct M anual, Rev. A 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. A 43 10.8 Protection Information (PI) Protection Information is intended as a sta ndardized ap proach to system level LRC traditio nally provided by systems usin g 520 byte form atted LB As. Drives formatted with PI in fo rmation pr ovide the same , common LBA count (i.e. same capacity point) as non-PI formatte[...]

44 Savvio 15K.3 SAS Pr oduct M anual, Rev. A 1 1.0 Inst allation Savvio disk drive installation is a plug-and-p lay pro cess. The re are no jumper s, switche s, 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[...]

Savvio 15K.3 SAS Product Manual, Rev. A 45 1 1.2 Cooling Cabinet cooling must be desig ned by the customer so that th e ambient temperatu re immediately surr ounding 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 remov[...]

46 Savvio 15K.3 SAS Pr oduct M anual, Rev. A 1 1.3 Drive mounting Mount the drive usin g the bottom or side mounting holes . If you mount the drive using the bottom hole s, ensure 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 stif fness is 80 lb/i n (14 .0 N/m[...]

Savvio 15K.3 SAS Product Manual, Rev. A 47 12.0 Interface requirement s This section partially describes the interface require ments as impleme nted on Savvio drives. Additional info r- mation is provided in the SAS Interface Manual (p art number 1002 93071). 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. A 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. A 49 LP bit N Protocol-specific Log Pa ge for SAS (18h) Y Log Sense 4Dh Y Application Client Log p age (0Fh) Y Buf fer Over-run/Under -run pag e (01h) N Cache S tatistics page (37h) Y Factory Log page (3Eh) Y Information Exception s Log page (2Fh) N Last n Deferred Errors or Asyn chronous Event s page (0Bh ) N [...]

50 Savvio 15K.3 SAS Pr oduct M anual, Rev. A DPO bit supported Y FUA bit supporte d Y Read (12) A8h N Read (16) 88h N Read (32) 7Fh/0009h N Read Buffer (modes 0, 2, 3, A h and Bh su pported) 3Ch Y (non-SED d rives only) Read Cap acity (10) 25h Y Read Cap acity (1 6) 9Eh/10h N Read Defect Data (10) 37h Y Read Defect Data (12) B7h Y Read Long 3Eh Y ([...]

Savvio 15K.3 SAS Product Manual, Rev. A 51 [1] Savvio drives can format to 512, 520, 524, or 528 bytes per logical block. [2] W arning. Power loss during flash programming can result in firmware co rrup tion. This usually makes the drive inoperable. [3] Reference Mode Sense command 1Ah for mo de pages supported. [4] Y = Y e s. Command is supported.[...]

52 Savvio 15K.3 SAS Pr oduct M anual, Rev. A 12.3.1 Inquiry data T able 8 lists the In quiry command dat a that the drive should return to the initi ator per the format given in the SAS Interfac e Manual . T able 8: Savvio inquiry dat a * Copyright year (change s with actual year). ** SCSI Revision support. See the appropria te SPC release document[...]

Savvio 15K.3 SAS Product Manual, Rev. A 53 Select command before the dr ive a chieves op er ating spee d a nd is “read y .” An atte mpt to do so re sult s in a “Check Condition” status. On drives requiring uniq ue saved values, the req uired unique saved values are stored into the saved val - ues storage location on the media prior to shipp[...]

54 Savvio 15K.3 SAS Pr oduct M anual, Rev. A T able 9: Mode Sense dat a default and cha ngeable values for 300GB drive s 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 [...]

Savvio 15K.3 SAS Product Manual, Rev. A 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. A 12.4 Miscellaneous operating features and conditions T able 1 1 lists various featur es and cond itions. A “Y” in the support column indicates the featur e 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. A 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 driv[...]

58 Savvio 15K.3 SAS Pr oduct M anual, Rev. A 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. A 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. A 12.4.2 Physical characterist ics This section defines phys ical interface co nnector . 12.4.3 Connector requirement s Contact your preferr ed connector manufacturer for mati n g part info rmation. Part numbers fo r SAS connectors will be provided in a future re vision of this publication when production [...]

Savvio 15K.3 SAS Product Manual, Rev. A 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. A The Ready LED Out signal is designed to pu ll down t he cathode of an LED. The ano de is att ached to the proper +3. 3 volt su pply thro ugh an ap prop riat e cur ren t limitin g resist or . The LED an d th e cu rrent lim iting resis - tor are ext ernal to th e drive. See T able 1 5 for the o utput char [...]

Savvio 15K.3 SAS Product Manual, Rev. A 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. A drive characteristics 11 Drive Locking 38 drive mounting 35 , 46 drive select 60 dual port support 48 E electrical description of co nn e cto r 60 signal characteristics 61 specifications 22 electromagnetic compatibility 3 electromagnetic susceptibility 34 EMI requirements 3 encryption engin e 3 7 encryp[...]

Savvio 15K.3 SAS Product Manual, Rev. A 65 mean time betw ee n fa ilur e. See MTBF media descrip tio n 8 Media Pre-Sca n 42 miscellaneous feature supp ort Adaptive caching 56 Asynchronous event notification 56 Automatic contingent allegiance 56 Deferred error handlin g 56 Parameter ro un d ing 5 6 Queue tagging 56 Reporting actual retry count 56 Se[...]

66 Savvio 15K.3 SAS Pr oduct M anual, Rev. A reliability 9 specifications 15 reliability and service 16 repair and retu rn information 21 reporting actual retry count 56 reservation conflict status 56 resonance 32 return inform ation 21 RNG 38 RoHS 5 rotation speed 11 S safety 3 SAS interface 60 physical interface 57 task management functions 47 SA[...]

Savvio 15K.3 SAS Product Manual, Rev. A 67 zone bit recording (ZBR) 8[...]

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

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