Seagate ST3450657SS manuale d’uso

Product Manual Cheet ah 15K.7 SAS 100516226 Rev . D November 2010 St andard models ST3600057SS ST3450857SS ST3300657SS Self-Encrypting Drive models ST3600957SS ST3450757SS ST3300557SS SED FIPS 140-2 models ST3600857SS ST3450657SS ST3300457SS[...]

© 2010, Seagate T echnology LLC All right s reserved. Publication number: 10 05 16226, Rev . D November 2010 Seagate, Seagate T echnolog y and the W ave logo are re gistered trademarks of Seagate T echnology LLC in the United S tates and /or other coun tries. Cheeta h and SeaT ools are either trad emarks or registered trademarks of Seagate T echno[...]

Cheetah 15K.7 SAS Produc t Manual, Rev. D i Content s 1.0 Seagate Technology support services . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 2.0 Scope . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 3.0 Stan[...]

ii Cheetah 15K.7 SAS Product M anual, Rev. D 7.4.1 Temperature . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29 7.4.2 Relative humidit y . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30 7.4.3 Effective altitude (sea level) . . . . . . . . . .[...]

Cheetah 15K.7 SAS Produc t Manual, Rev. D iii 12.4.7 Power . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 62 12.5 Signal characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 62 12.5.1 Ready LED Out . . . . . . . . [...]

iv Cheetah 15K.7 SAS Product M anual, Rev. D[...]

Cheetah 15K.7 SAS Produc t Manual, Rev. D 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 & busine[...]

2 Cheetah 15K.7 SAS Product Man ual, Rev. D 2.0 Scope This manual describes Seagate T echno logy ® LLC, Cheetah ® SAS (Serial Attached SCSI) disk drives. Cheetah 15K.7 drives support the SAS Pr otocol specifications to the extent described in this manual. The SAS Interface Manual (p art number 10029307 1) describes the ge neral SAS characteristic[...]

Cheetah 15K.7 SAS Produc t Manual, Rev. D 3 3.0 S t andards, compliance and reference document s The drive has been developed as a syst em peripheral to the highest standa rds of design and construction. The drive depends on it s host equipment to provide a dequate power an d environment for o ptimum performance and compliance with applicable indus[...]

4 Cheetah 15K.7 SAS Product Man ual, Rev. D 3.2 Compliance 3.2.1 Elec tromagnetic compliance Seagate uses an in dependent laboratory to confirm comp liance with the directives/st andards for CE Marking and C-T ick Marking. The drive was tested in a represen t ative system for typical applications. The selected sys- tem represe nts the most pop ula [...]

Cheetah 15K.7 SAS Produc t Manual, Rev. D 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 . These systems incl ude standard operat- ing procedures that ensure that restricted substances are not utilized in our m[...]

6 Cheetah 15K.7 SAS Product Man ual, Rev. D 4.0 General description Cheetah 15K.7 dr ives provide h igh perform ance, high ca pacity data storage for a v ariety of syste ms including engineering workst ations, network serve rs, mainframes, and supercomputers. The Ser ial Att ached SCSI inter- face is designed to meet next-generation computing de ma[...]

Cheetah 15K.7 SAS Produc t Manual, Rev. D 7 4.1 St andard features Cheetah 15K.7 drives have the follo wing standar d fe atures: • 1.5 / 3 / 6 Gbit 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 downlo adable using the SAS [...]

8 Cheetah 15K.7 SAS Product Man ual, Rev. D Note. There is no significant performan ce differ ence between Self-Encr ypting Drive and stan dard (non- Self-Encrypting Drive models. 4.4 Reliability • 1,600,000 hour MTBF (Ann ualized Failure Rate (AFR) of 0.55%) • Incorporat es industr y-standard Se lf-Monitor ing Analysis and Reporting T echnolog[...]

Cheetah 15K.7 SAS Produc t Manual, Rev. D 9 5.0 Performance characteristics This section provides deta iled information concerning perfor mance-related characte ristics and features of Cheetah 15K.7 drives. 5.1 Internal drive characteristics ST3600057SS ST3450857SS ST3300 657SS ST3600957SS ST3450757SS ST3300 557SS ST3600857SS ST3450657SS ST3300 457[...]

10 Cheetah 15K.7 SAS Produc t Manual, Rev. D 5.2.2 Format command exe cu ti on tim e (minutes) When changing sector sizes, the format times show n below may need to be increased by 30 min utes. Note. There is approximately a 1.5 increase in time to format a SED drive versus a non-SED drive of the same capacity . Execution time measured fro m receip[...]

Cheetah 15K.7 SAS Produc t Manual, Rev. D 11 If the drive receives a ST ART STOP UNIT command wit h the ST ART bit and IMMED bit equal to 1 and does not receive a NOTIFY (ENABLE SPINUP) primitive within 5 se conds, the d rive fails the ST ART STOP UNIT command. The ST ART ST OP UNIT com mand may be u sed to command t he drive to stop th e spindle. [...]

12 Cheetah 15K.7 SAS Produc t Manual, Rev. D 5.5.1 Cac hing 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 [...]

Cheetah 15K.7 SAS Produc t Manual, Rev. D 13 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 dr ive moun t in g con st ra ints. 6.1 Error rates The error rates st ated in this manua[...]

14 Cheetah 15K.7 SAS Produc t Manual, Rev. D 6.1.3 See k 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 performs an er ror recovery process. If the error recovery process fails, a seek positioning error (E rror code = 15h or 02h[...]

Cheetah 15K.7 SAS Produc t Manual, Rev. D 15 6.2.4 S.M.A.R.T . S.M.A.R.T . is an acronym for Self-Monitoring Analysis and Re porting T e chnology . This technology is intended to recognize conditions that indicate imminen t drive failu re and is designed to provide suf ficient warning of a failure to allow you to back up the dat a before an actual [...]

16 Cheetah 15K.7 SAS Produc t Manual, Rev. D Reporting contro l Reporting is controlled by the MRIE bit s in the Informat ional Exceptions Control mode page (1Ch). Subject to the reporting method, the firmware will issue to the host an 01-5Dxx sense code. The error code is preserved through bus reset s and power cycles. Determining rate S.M.A.R.T .[...]

Cheetah 15K.7 SAS Produc t Manual, Rev. D 17 can be used to set this trip point. The default valu e fo r this drive is 68°C, however , you can set it to any value i n the range of 0 to 68°C. If you specify a temperatu re greater than 68°C in th is field, the temperature is r ounded down to 68°C. A sense code is sent to the host to ind icate the[...]

18 Cheetah 15K.7 SAS Produc t Manual, Rev. D • Motor will not spin • Motor will not lock to speed • Servo will not lock on track • Drive cannot read configuration ta bles from the disk In these co nditions, the drive resp onds to a T est Unit Ready command with an 02 /04/00 or 02/04/03 code. 6.2.6.2. 2 Invoking DST T o invoke DST , submit t[...]

Cheetah 15K.7 SAS Produc t Manual, Rev. D 19 6.2.6.2. 5 Abort There are several ways to abort a diagnostic. Y ou can use a SCSI Bus Rese t or a Bus Device Reset message to abort the diagnostic. Y ou can abort a DST executing in background mo de by us ing the a bort code in the DST F unction Code field. This will cause a 01 (self-test aborted by the[...]

20 Cheetah 15K.7 SAS Produc t Manual, Rev. D 7.0 Physical/electrical specifications This section provides information relating to the physical and electrical characteri stics of the dr ive. 7.1 AC power requirement s None. 7.2 DC power requirement s The volt age and current requirement s for a single drive are shown be low . V alues indicated apply[...]

Cheetah 15K.7 SAS Produc t Manual, Rev. D 21 T able 14: 600 GB DC power requirement s Notes 3 Gbit m ode 6 Gbit mode (Amp s) (Amp s) (Amp s) (Amp s) V oltage +5V +12V [2] +5V +12V [2] Regulation [5] ±5% ±5% [2] ±5% ±5% [2] Avg idle current [1] [7] 0.37 0.81 0.38 0.81 Maximum starting c urrent (peak DC) DC 3 σ [ 3 ] 0 . 6 71 . 9 00 . 6 81 . 9 1[...]

22 Cheetah 15K.7 SAS Produc t Manual, Rev. D T able 15: 450 GB DC power requirement s Notes 3 Gbit m ode 6 Gbit mode (Amp s) (Amp s) (Amp s) (Amp s) V oltage +5V +12V [2] +5V +12V [2] Regulation [5] ±5% ±5% [2] ±5% ±5% [2] Avg idle current [1] [7] 0.39 0.68 0.41 0.66 Maximum starting c urrent (peak DC) DC 3 σ [ 3 ] 0 . 6 51 . 9 40 . 6 71 . 9 4[...]

Cheetah 15K.7 SAS Produc t Manual, Rev. D 23 [1] Measured with average reading DC am meter or equivalent sampling scope. In stant aneous +12V current peaks will exceed these values. Power supply at nominal voltage. N (num ber of drives tested) = 6, 35 Degrees C ambient . [2] For +12 V , a –10% tolerance is allowed during initial spin dle start bu[...]

24 Cheetah 15K.7 SAS Produc t Manual, Rev. D [6] Operating condition is defined as random 8 block reads at 375 I/Os per second for 600GB mod els, and 380 I/Os per second for 450GB and 300GB models. Current an d po wer specified at nominal vo ltages. [7] During idle, the drive heads are relo cated every 60 seconds to a rand om location within the ba[...]

Cheetah 15K.7 SAS Produc t Manual, Rev. D 25 Figure 1. T ypical 600GB current pro f iles Figure 2. T ypical 450GB current pro f iles[...]

26 Cheetah 15K.7 SAS Produc t Manual, Rev. D Figure 3. T y pical 300GB current prof iles[...]

Cheetah 15K.7 SAS Produc t Manual, Rev. D 27 7.3 Power dissip ation 600GB model T ypical power dissipation under idle conditions in 6Gb operation is 1 1.62 watts (39.65 BTUs per hour). T o obta in operating power for typical random read o peratio ns, refer to the following I/O rate curve (see Figure 4). Locate the typical I/O ra te for a drive in y[...]

28 Cheetah 15K.7 SAS Produc t Manual, Rev. D 450GB model T ypical power dissip a tion under idle conditions in 6Gb operation is 9.97 watt s (34.02 BTUs per hour). T o obta in operating power for typical random read o peratio ns, refer to the follo wing I/O rat e curve (s ee Figure 4). Locate the typical I/O ra te for a drive in your system on the h[...]

Cheetah 15K.7 SAS Produc t Manual, Rev. D 29 300GB model T ypical power dissipation under idle conditions in 6Gb operation is 8.71 watt s (29.72 BTUs per hour). T o obta in operating power for typical random read o peratio ns, refer to the following I/O rate curve (see Figure 4). Locate the typical I/O ra te for a drive in y our system on the horiz[...]

30 Cheetah 15K.7 SAS Produc t Manual, Rev. D b. Non-operatin g –40° to 158°F (–40° to 70°C) package ambie nt with a maximum gradient of 86°F (30°C) per hour . This specification assumes that the dr ive is p ackaged in the ship ping conta iner designed b y Seagate for use with drive. Figure 7. Location of the HDA temperature check po int 7[...]

Cheetah 15K.7 SAS Produc t Manual, Rev. D 31 Shock may b e applied in the X, Y , or Z axis. Shock is not to be repe ated more than once every 2 sec onds. b. Operating—abnorma l Equipment, as installe d for normal operation, does not incur physical damage wh ile subjected to intermit - tent shock not exceeding 40 Gs a t a duration of 1 1 msec (hal[...]

32 Cheetah 15K.7 SAS Produc t Manual, Rev. D Figure 8. Recomme nded mountin g 7.4.4.2 Vibration a. Operating—normal The drive as ins talled for normal op eration, sh all comply with the complete sp ecified performance while subjected to continuous vi bration not exceeding 10 – 300 Hz 1.0 G RMS (0 to peak) 301– 500 Hz 0.5 G RMS (0 to peak) Vib[...]

Cheetah 15K.7 SAS Produc t Manual, Rev. D 33 c. Non-operating The limits of non-op erating vibration shall apply to all cond itions of handling and transport ation. This includes both isolated dr iv es and integrated drives. The drive shall not incur physica l damage or degraded performance as a result of continuous vibration not exceeding 5 – 22[...]

34 Cheetah 15K.7 SAS Produc t Manual, Rev. D 7.4.9 Electromagn etic susc eptibility See Section 3.1.1.1. 7.5 Mechanical specifications Refer to Figure 9 for det ailed physical dim ensions. See Section 1 1.3, “Driv e mounting .” Figure 9. Phy sical dimens ions Height: 1.03 in 26.10 mm Width: 4.00 in 101.60 mm Depth: 5.79 in 147 mm Weight (max) :[...]

Cheetah 15K.7 SAS Produc t Manual, Rev. D 35 8.0 About FIPS The Federal Information Proce ssing S tandard (FIPS) Publication 140- 2, FIPS PU B 140-2, is a U.S. govern- ment computer securi ty st andard used to accre dit cryptogr aphic modules. It is titled “Security Require ment s for Cryptographic Mo dule s”. Th e initial pub licat ion was on [...]

36 Cheetah 15K.7 SAS Produc t Manual, Rev. D 9.0 About self-encrypting drives Self-encrypting d rives (SEDs) of fer encryption and secu rity ser vices for the protection of stored dat a , com- monly known as “protection of data at rest.” These drives are compliant with the Tr usted Computing Group (TCG) Enterpri se S torage S pecificat ions as [...]

Cheetah 15K.7 SAS Produc t Manual, Rev. D 37 9.2.3 Def ault p assword When the drive is shipped from the factory , all passwor d s are set to the value of MSID. This 32 -byte random value is printed on the drive label an d it can be read by the host electronically over the I/O. Af ter receipt of the drive, it is the respon sibility of the owner to [...]

38 Cheetah 15K.7 SAS Produc t Manual, Rev. D 2. The dow nload file must be si gned and authenticat ed. 3. As with a non-SED drive, the download file must p ass the accept ance criteria for the drive. For exa mple it must be applicable to the correct drive model, an d have compatible r evision and customer st atus. 9.8 Power requirement s The standa[...]

Cheetah 15K.7 SAS Produc t Manual, Rev. D 39 10.0 Defect and er ror management Seagate continues to use innova tive technologies to manage defect s and errors. These te chnologies are designed to increase dat a integrity , perform drive self-maintenance, and validat e proper drive ope ra tio n. SCSI defect an d error ma nagement invo lves drive in [...]

40 Cheetah 15K.7 SAS Produc t Manual, Rev. D T able 17 equates the r ead and write retry cou nt with the maximum possible recovery time for read and write recovery of individual LBAs. The times given do n ot incl ude time t aken to perform rea llocations. Reallocatio ns are perfor med whe n the ARRE bit (for rea ds) or AWRE bit (for w rites) is on [...]

Cheetah 15K.7 SAS Produc t Manual, Rev. D 41 [1] These valu es are subje ct to chang e. Setting these retry count s to a value below the default setting could result in degr adation of the unrecov - ered error rate which may exceed the value given in this product manual. A setting of zero (0) will result in the drive not performing er ror recovery [...]

42 Cheetah 15K.7 SAS Produc t Manual, Rev. D With BMS, the host system can cons ume less power and system overhe ad by only checking BMS st atus and results rath er than tying up the bus and consuming p ower in the process of ho st-initiated media scanning activ- ity . Since the backgrou nd scan functions ar e only done during id le periods, BMS ca[...]

Cheetah 15K.7 SAS Produc t Manual, Rev. D 43 1 1.0 Inst allation Cheetah 15K.7 disk drive installa tion is a plug-and-play process. Th ere are no jumpe rs, switches, or t ermina- tors on the drive. SAS drives are designed to be used in a host system that provides a S AS-compatible backplane with bays designed to accommo date the drive. In su ch sys[...]

44 Cheetah 15K.7 SAS Produc t Manual, Rev. D If forced air is determined to be necessary , possible air- flow patterns are shown in Figure 1 1. The air-flow pat- terns are created by one or more fans , either forcing or drawing air as shown in the illustrations. Conduction, convection, or other forced air-flow p atterns are acce pt able as long as [...]

Cheetah 15K.7 SAS Produc t Manual, Rev. D 45 12.0 Interface requirement s This section partially descr ibes the interface require ments as implemente d on Cheetah 15K.7 drives . Addi- tional information is provided in the SAS Interface Manual (p art number 100293071). 12.1 SAS features This section lists the SAS-sp ecific features supported by Chee[...]

46 Cheetah 15K.7 SAS Produc t Manual, Rev. D 12.2 Dual port support Cheetah 15K.7 SAS drives have two independent por ts. These port s may be connected in the same or differ- ent SCSI domains. Each drive port has a uni que SAS address. The two ports have the cap ability of in dependent port clocking (e .g. both ports can run at 6Gbit/sec or the fir[...]

Cheetah 15K.7 SAS Produc t Manual, Rev. D 47 TSD bit Y ETC bit N TMC bit N LP bit N 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 Last n Deferred Errors or Asyn chronous Event s page (0Bh ) N Last n Error Events p age (07h) N Non-medium Er ror p[...]

48 Cheetah 15K.7 SAS Produc t Manual, Rev. D Mode Sense (1 0) (same p ages as Mode Sense 1Ah) 5Ah Y Prefetch 34h N Read 08h Y Read Buffe r ( modes 0, 2, 3, Ah and Bh supported) 3Ch Y Read Capacity 25h Y Read Defect Data (10) 37h Y Read Defect Data (12) B7h Y Read Extend ed 28h Y DPO bit supported Y FUA bit supporte d Y Read Long 3Eh Y Reassign Bl o[...]

Cheetah 15K.7 SAS Produc t Manual, Rev. D 49 [1] Cheet ah 15K.7 drives can format to 512, 520, 524, or 528 bytes per logical blo ck. [2] W a rning. Power loss during flash programming can r esult in firmware corr uptio n. This usually makes the drive inoperable. [3] Reference Mode Sense command 1Ah fo r mo de pages suppo rted. [4] Y = Y es. Command[...]

50 Cheetah 15K.7 SAS Produc t Manual, Rev. D 12.3.1 Inquiry data T able list s the Inquiry command da t a that the drive should return to the initia tor pe r the fo rmat given in the SAS Interface Manual . * Copyright year (change s with actual year). ** SCSI Re vision suppor t. Ref er to the appropiat e SPC release documentation f or definitions .[...]

Cheetah 15K.7 SAS Produc t Manual, Rev. D 51 12.3.2 Mode Sense dat a The Mode Sense command pr ovides a way for the drive to re port its ope rating paramete rs to the initiator . The drive maintain s four sets of mode p arameters: 1. Default va lues Default values are hard -coded in the drive firmwa re stored in flash E-PROM (nonvolatile memory) on[...]

52 Cheetah 15K.7 SAS Produc t Manual, Rev. D 12.3.2.1 600GBmodel Mode Sense dat a MODE DATA HEADER: 01 6e 00 10 00 00 00 08 BLOCK DESCRIPTOR: 45 dd 2f b0 00 00 02 00 MODE PAGES: DEF 81 0a c0 0b ff 00 00 00 05 00 f f ff CHG 81 0a ff ff 00 00 00 00 ff 00 f f ff DEF 82 0e 00 00 00 00 00 00 00 00 0 1 3a 00 00 00 00 CHG 82 0e 00 00 00 00 00 00 00 00 f f[...]

Cheetah 15K.7 SAS Produc t Manual, Rev. D 53 CHG 9a 0a 00 03 ff ff ff ff ff ff f f ff DEF 9c 0a 10 00 00 00 00 00 00 00 0 0 01 CHG 9c 0a 9d 0f ff ff ff ff ff ff f f ff DEF dc 01 00 0c 01 01 00 18 00 18 0 0 00 00 00 00 00 CHG dc 01 00 0c 00 01 ff ff ff ff 0 0 00 00 00 00 00 DEF 80 06 00 80 0f 00 00 00 CHG 80 06 b7 c0 8f 00 00 00 READ CAPACITY DATA: [...]

54 Cheetah 15K.7 SAS Produc t Manual, Rev. D 12.3.2.2 450GB model Mode Sense dat a MODE DATA HEADER: 01 76 00 10 00 00 00 08 BLOCK DESCRIPTOR: 34 65 f8 70 00 00 02 00 MODE PAGES: DEF 81 0a c0 0b ff 00 00 00 05 00 f f ff CHG 81 0a ff ff 00 00 00 00 ff 00 f f ff DEF 82 0e 00 00 00 00 00 00 00 00 0 1 3a 00 00 00 00 CHG 82 0e 00 00 00 00 00 00 00 00 f [...]

Cheetah 15K.7 SAS Produc t Manual, Rev. D 55 DEF 9c 0a 10 00 00 00 00 00 00 00 0 0 01 CHG 9c 0a 9d 0f ff ff ff ff ff ff f f ff DEF dc 01 00 0c 01 01 00 18 00 18 0 0 00 00 00 00 00 CHG dc 01 00 0c 00 01 ff ff ff ff 0 0 00 00 00 00 00 DEF 80 06 00 80 0f 00 00 00 CHG 80 06 b7 c0 8f 00 00 00 READ CAPACITY DATA: READ BUFFER 0 1 2 3 4 5 6 7 8 9 A B C D E[...]

56 Cheetah 15K.7 SAS Produc t Manual, Rev. D 12.3.2.3 300GB model Mode Sense dat a MODE DATA HEADER: 01 76 00 10 00 00 00 08 BLOCK DESCRIPTOR: 22 ec b2 5c 00 00 02 00 MODE PAGES: DEF 81 0a c0 0b ff 00 00 00 05 00 ff f f CHG 81 0a ff ff 00 00 00 00 ff 00 ff f f DEF 82 0e 00 00 00 00 00 00 00 00 01 3 a 00 00 00 00 CHG 82 0e 00 00 00 00 00 00 00 00 ff[...]

Cheetah 15K.7 SAS Produc t Manual, Rev. D 57 DEF 9a 0a 00 02 00 00 00 05 00 00 8c a 0 CHG 9a 0a 00 03 ff ff ff ff 00 00 00 0 0 DEF 9c 0a 10 00 00 00 00 00 00 00 00 0 1 CHG 9c 0a 9d 0f ff ff ff ff ff ff ff f f DEF dc 01 00 0c 01 01 00 18 00 18 00 0 0 00 00 00 00 CHG dc 01 00 0c 00 01 ff ff ff ff 00 0 0 00 00 00 00 DEF 80 06 00 80 0f 00 00 00 CHG 80 [...]

58 Cheetah 15K.7 SAS Produc t Manual, Rev. D 12.4.1 SAS physical interfac e Figure 12 shows the location of the SAS device c onnector J1. Figures 13 and 14 provide the dimensions of the SAS device. Details of the physical, electrical, an d logical characteri stics are provided wi th in this section. The operational aspects of Seagate’ s SAS driv [...]

Cheetah 15K.7 SAS Produc t Manual, Rev. D 59 Figure 13. SAS con nector dim ensions 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 (3X)[...]

60 Cheetah 15K.7 SAS Produc t Manual, Rev. D Figure 14. SAS con nector dim ensions 12.4.2 Physical characteristic s This section defines phys ical interface co nnector . 12.4.3 Connector requirement s The SAS connector on the drive complie s with SFF-8482. Contac t your preferre d connector manu facturer for mating part information. The SAS device [...]

Cheetah 15K.7 SAS Produc t Manual, Rev. D 61 12.4.4 Electrical description SAS drives use the de vice connector for: • DC power • SAS interface • Activity LED This connector is de signed to ei ther plug directly into a backpanel or a ccept cables . 12.4.5 Pin descriptions This section provides a pi n-out of the SAS device and a description of[...]

62 Cheetah 15K.7 SAS Produc t Manual, Rev. D 12.4.6 SAS transmitte rs and receivers A typical SAS differential copper transmitter and receiver pair is shown in Figure 15. The receiver is AC cou- pling to eliminate ground shif t noise. Figure 15. SAS transmitte rs and receivers 12.4.7 Power The drive receives power (+5 volts and +12 volts) throug h [...]

Cheetah 15K.7 SAS Produc t Manual, Rev. D 63 The Ready LED Out signal is designed to pu ll down the cath ode of an LED. The a node is att ached to the proper +3.3 volt supply throu gh an appropriate cu rrent limiting resistor . The LED a nd the current limiting resis - tor are ext ernal to th e drive. See T able 26 for the ou tput charac teristics [...]

64 Cheetah 15K.7 SAS Produc t Manual, Rev. D[...]

Cheetah 15K.7 SAS Produc t Manual, Rev. D 65 Index Numerics 12 volt pins 62 5 volt pins 62 6 Gbps 63 A abort task set function 45 AC coupling 62 AC power requirements 20 ACA active status 58 ACA active, faulted initiator status 58 acoustics 33 active LED Out signal 62 actuator assembly desig n 6 adaptive caching 57 Admin SP 36 AES-128 data encrypti[...]

66 Cheetah 15K.7 SAS Produc t Manual, Rev. D drive mounting 34 , 44 drive select 61 dual port support 46 E electrical description of co nn e cto r 61 signal characteristics 62 specifications 20 electromagnetic compatibility 3 electromagnetic susceptibility 34 EMI requirements 3 encryption engin e 3 6 encryption key 37 environmen t 43 environmenta l[...]

Cheetah 15K.7 SAS Produc t Manual, Rev. D 67 Reporting actual retry count 57 Segmented caching 57 SMP = 1 in Mode Select command 57 Synchronized (locked) spindle oper ation 57 Zero latenc y read 57 miscellaneous status support ACA active 58 ACA active, faulted initiator 58 Busy 58 Check condition 58 Condition met/good 58 Good 58 Intermediate/condit[...]

68 Cheetah 15K.7 SAS Produc t Manual, Rev. D security partitions 36 Security Protocol In 36 Security Protocol Out 36 seek error defined 14 rate 13 seek performance characteristics 9 seek time average ty pical 9 full stroke typical 9 single track typical 9 segmented caching 57 self-encrypting drives 36 Self-Monitoring Ana lysis and Reporting Techno [...]

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Seagate T echnology LLC 920 Disc Drive, Scotts V alley , California 95066-4544, USA Publication Number: 1005 16226, Rev . D[...]