Seagate ST3146756SS (FDE) manual

Prod uct Ma nu al Ch ee t ah 15 K.6 SAS 10046 6193 Rev . B Sep tember 2008 ST34 50856S S ST33 00656S S ST31 46356S S ST34 50056SS (FDE) ST33 00056SS (FDE) ST31 46756SS (FDE)[...]

©2008, S eagate T echnology LLC All righ ts reserv ed. Pub lication nu mber: 10046619 3, Rev . B Sep tember 2008 Sea gate, Sea gate T echnology and th e W ave logo are registered t rademarks of Seagat e T echnology LL C in the United S t ates and/or other countri es. Cheet ah, SeaT ools and SeaT DD are either trade marks or reg - istered tr ademar[...]

Cheetah 1 5K.6 SAS Prod uct Manual, R ev. B i Cont ent s 1.0 S cope . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 2.0 S tandards, co m plian ce and reference do cuments . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 2.1 S tan[...]

ii Cheetah 1 5K .6 SAS Produ ct Manual , Rev. B 6.4.2 Relat ive humidity . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37 6.4.3 E ffective altitude (sea level) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37 6.4.4 S hock and vibr ation . . . . . . . . . . . . . . .[...]

Cheetah 1 5K.6 SAS Prod uct Manual, R ev. B 1 1.0 S cope This ma nual describes S eagate T echnolog y ® LLC, Cheet ah ® SAS (Se rial Att ached SCSI) di sk drives. Cheet ah 15K.6 drives support the SAS Protoco l specif ic ati ons to the exten t described in this man ual. The SAS Interfa ce Manual (p art num ber 1002 93071) descr ibes the general S[...]

2 Cheetah 1 5K .6 SAS Produ ct Manual , Rev. B[...]

Cheetah 1 5K.6 SAS Prod uct Manual, R ev. B 3 2.0 S tandards, compliance and reference document s The dr ive has been d evelope d as a system p eriphe ral to the hig hest st and ards of design and constru ction. The drive d epends on i ts h ost equipment to provid e adequa te power and envi ronm ent for optimum perf ormance and compli ance with app[...]

4 Cheetah 1 5K .6 SAS Produ ct Manual , Rev. B 2.2 C omplia nce 2.2.1 Elect roma gn etic com plia nce Seag ate uses an i ndepend ent lab oratory to confirm comp liance with t he directi ves/stand ards for CE Ma rking and C-T ick Marking. The dr ive wa s tested in a repre sent ative system for typica l applications. The select ed sys- tem re present[...]

Cheetah 1 5K.6 SAS Prod uct Manual, R ev. B 5 Seag ate also h as internal system s in place to en sure ongoing complian ce with the RoHS Direct ive and all laws and regu lations which restr ict chemical conte nt in el ectron ic products. T hese system s include sta ndar d oper at- ing proce dur es that ensure that restri cted substa nces are not ut[...]

6 Cheetah 1 5K .6 SAS Produ ct Manual , Rev. B[...]

Cheetah 1 5K.6 SAS Prod uct Manual, R ev. B 7 3.0 General d escri ption Cheet ah 15K.6 drives provide high performan ce, high capacity dat a storage for a variety of systems including engineer ing worksta tions, netw ork servers, mainframes, and sup ercomputers. The S e rial Attached S CSI i nter- face is designed to meet next-gen eration computing[...]

8 Cheetah 1 5K .6 SAS Produ ct Manual , Rev. B 3. 1 St a ndar d fea tu r e s Cheet ah 15K.6 driv es have th e following standard fea tures: • 1.5 / 3 Gb it Serial Att ached SCSI (SAS) interface • Integrat ed dual por t SAS control ler suppor ting the SCSI p rotocol • Suppo rt for S AS expander s and fanou t adapters • Firmw are down l oadab[...]

Cheetah 1 5K.6 SAS Prod uct Manual, R ev. B 9 3.4 Reli abilit y • 1,600,00 0 hour MTBF (Ann ualized F ailure Rate (AF R) of 0.55% ) • Incorpor ates industry-st andard Self-M onitoring A nalysis a nd Reporting T echnolo gy (S.M.A.R.T .) • 5-y ear warra nty 3.5 Fo rma tted ca paciti es S tan dard OEM mo dels are formatt ed to 512 bytes per bloc[...]

10 Cheetah 1 5K .6 SAS Produ ct Manual , Rev. B[...]

Cheetah 1 5K.6 SAS Prod uct Manual, R ev. B 11 4.0 Performance cha r acteristics This secti on pr ovides det ailed informa tion concern ing perfor mance-related ch aracteristics a nd features of Che etah 15 K .6 drives. 4.1 Int e rnal dr ive ch arac terist i c s ST3450856SS ST3300656SS ST3146356SS ST3450056SS ST3300056SS ST3146756SS Drive capacity [...]

12 Cheetah 1 5K .6 SAS Produ ct Manual , Rev. B 4.2.2 For m a t command execution time (minut es) When chang ing sector sizes, the format times shown be low may need to be increased by 30 minutes. Note. There is no si gnificant di f fer ence in the format time be tween FDE and non- FD E mod el s of the sa me ca paci ty . Executio n time measured fr[...]

Cheetah 1 5K.6 SAS Prod uct Manual, R ev. B 13 If the dr ive receives a S T A R T ST OP UNIT command with the ST AR T bit equal to 0 before r eceiving a NO TIFY (ENAB LE SPINUP ) pr imiti ve, t he dr ive w ait s for a S T AR T ST O P UNIT com mand wi th th e ST ART bit e qual to 1. Af ter receiving a ST ART ST OP UNIT comman d wit h the ST ART bi t[...]

14 Cheetah 1 5K .6 SAS Produ ct Manual , Rev. B Note. The size of each segm ent is not reported by Mod e S ense comma nd page 08h, bytes 14 and 15. The value 0XFF FF is always reported regardless of the actual size of the segment. Sending a size speci fication usin g the Mode Select co mmand (by tes 14 and 15) does no t set up a new segment size. I[...]

Cheetah 1 5K.6 SAS Prod uct Manual, R ev. B 15 5.0 Reliabi lity specifi cati ons The follow ing reliab ility specificat ions assume correct hos t and driv e ope ration al int erface, inclu ding all i nter- face timi ngs, power supply volt ages, environ mental requi remen ts and d rive mounting constr aints. 5.1 E rror rates The er ror rat es stated[...]

16 Cheetah 1 5K .6 SAS Produ ct Manual , Rev. B 5.1.3 Seek errors A seek err or is defined as a failure of the dri ve to pos ition the heads to the ad dressed track. A fter dete cting an initia l seek error , the drive automati cally perf orms an error recover y process. If the er ror recovery process fails, a seek positionin g er ror (Err or code [...]

Cheetah 1 5K.6 SAS Prod uct Manual, R ev. B 17 5.2.4 S .M.A. R.T . S.M.A.R .T . is an acronym for Self-Mon itoring Analysis and Repor ting T echnology . This techno logy is intended to recogn i z e conditions th at indicate imminent driv e failure and is designed to provi de suf ficient warning of a failu re to allow you to back up the dat a before[...]

18 Cheetah 1 5K .6 SAS Produ ct Manual , Rev. B Re po rt i ng co ntr ol Reporti ng is controlled by the MRI E bits in th e Informa tional Excep tions Control mode page (1Ch). Subject to the repo rting method, th e firmw are wi ll issue to the ho st an 01- 5Dxx sense code. The er ror code is preser ved throug h bus reset s and power cycles. Deter mi[...]

Cheetah 1 5K.6 SAS Prod uct Manual, R ev. B 19 can be used to set th is t rip poin t. The defau lt val ue for this drive i s 6 8°C, howeve r , you can set it to an y value in the range of 0 to 68°C. If you specif y a temperature great er than 68°C in thi s field, the temp erature is rounded down to 6 8°C. A sense code is sent to th e host to i [...]

20 Cheetah 1 5K .6 SAS Produ ct Manual , Rev. B A Drive N ot R eady conditi on is rep orted by the dri ve under the following con ditions: • Motor will not spin • Motor will not lock to s peed • Servo will not lock on track • Drive cannot read configuration tables fr om the disk In these conditions, the d rive respond s to a T est Unit Rea [...]

Cheetah 1 5K.6 SAS Prod uct Manual, R ev. B 21 The dr ive will report the failur e con dition and LBA (if applicable) in the Self-test Re sults Log par ameter . The Sense key , ASC, ASCQ, and FRU are used to repor t the failure co ndition. 5.2.6.2. 5 Abort There are several ways to ab ort a diagnost ic. Y ou can us e a S CSI B us Reset or a Bus Dev[...]

22 Cheetah 1 5K .6 SAS Produ ct Manual , Rev. B[...]

Cheetah 1 5K.6 SAS Prod uct Manual, R ev. B 23 6.0 Physi cal/electrical spe ci fications This secti on pro vides infor mation re lating to the physical and electrical chara cteristics of the d r ive. 6.1 AC po wer requ irement s None. 6.2 DC po wer requ irement s The voltage and current requi remen ts for a single d rive are shown below . V alues i[...]

24 Cheetah 1 5K .6 SAS Produ ct Manual , Rev. B T able 13: ST3450056SS ( FDE) DC po we r re qui rem ents Not es ST3450056SS (FDE) 1.5 Gbit mod e ST3450056SS (FDE) 3 Gbit mo de (Amps) (A mp s) (Amps) (Amp s) V oltage +5V +12V [2] +5V +12V [2] Regulation [5] ± 5% ± 5% [2] ± 5% ±5% [ 2] Av g idle current D CX [1 ] [7 ] 0.4 5 0 . 77 0.48 0 . 77 Max[...]

Cheetah 1 5K.6 SAS Prod uct Manual, R ev. B 25 T able 15: ST3300056SS (FDE) DC power requirement s Not es ST3300056SS (FDE) 1.5 Gbit mod e ST3300056SS (FDE) 3 Gbit mo de (Amps) (A mp s) (Amps) (Amp s) V oltage +5V +12V [2] +5V +12V [2] Regulation [5] ± 5% ± 5% [2] ± 5% ±5% [ 2] Av g idle current D CX [1 ] [7 ] 0.4 8 0 . 66 0.50 0 . 66 Maximum s[...]

26 Cheetah 1 5K .6 SAS Produ ct Manual , Rev. B [1] Measur ed with average readin g DC ammete r or equ ivalent sampling scope. Inst antan eous +12V curr ent peaks will exceed th ese values. Power supply at nomina l voltage. N (nu mber of drives tested ) = 6, 35 Degrees C ambien t. [2] For +12 V , a –10% toleran ce is allow ed during initial spind[...]

Cheetah 1 5K.6 SAS Prod uct Manual, R ev. B 27 6.2.1 Cond ucted nois e immunity Noise i s specifi ed as a per iodic and rand om distributi on of fre quencies coverin g a band fro m DC to 1 0 MHz. Maximum allowed noise val ues given below are pe ak-to-peak measurem ents and apply at the d rive power connector . 6.2.2 Power s equenc ing The dr ive do[...]

28 Cheetah 1 5K .6 SAS Produ ct Manual , Rev. B Figure 1. T ypical 450GB current profiles Figure 2. T ypical 300GB current profiles[...]

Cheetah 1 5K.6 SAS Prod uct Manual, R ev. B 29 Figure 3. T ypical 146GB current profiles[...]

30 Cheetah 1 5K .6 SAS Produ ct Manual , Rev. B 6. 3 Po wer di ssipat ion ST3450856SS model T ypical power dissi pation under idle co nditions in 3Gb opera tion is 1 1.85 watts (40.44 B TUs per hour). T o obtain oper ating power for typical rando m read operations, re fer to the following I/O rate curve ( see F igure 4). Lo cate the typical I/O rat[...]

Cheetah 1 5K.6 SAS Prod uct Manual, R ev. B 31 ST3450056SS (F DE) m odel T ypical power dissi pation under idle co nditions in 3Gb opera tion is 1 1.64 watts (3 9.72 BTUs per hour). T o obtain oper ating power for typical rando m read operations, re fer to the following I/O rate curve ( see F igure 4). Lo cate the typical I/O rate for a drive in yo[...]

32 Cheetah 1 5K .6 SAS Produ ct Manual , Rev. B ST3300656SS model T ypical power dissi pation under idle co nditions in 3Gb opera tion is 10.26 watt s (35.01 BTUs per hour). T o obtain oper ating power for typical rando m read operations, re fer to the following I/O rate curve ( see F igure 4). Lo cate the typical I/O rate for a drive in your syst [...]

Cheetah 1 5K.6 SAS Prod uct Manual, R ev. B 33 ST3300056SS (F DE) m odel T ypical power dissi pation under idle co nditions in 3Gb opera tion is 10.42 watt s (35.56 BTUs per hour). T o obtain oper ating power for typical rando m read operations, re fer to the following I/O rate curve ( see F igure 4). Lo cate the typical I/O rate for a drive in you[...]

34 Cheetah 1 5K .6 SAS Produ ct Manual , Rev. B ST3146356SS m odel T ypical power dissi pation under idle co nditions in 3Gb opera tion is 9.06 watt s (30.92 BTU s per hour ). T o obtain oper ating power for typical rando m read operations, re fer to the following I/O rate curve ( see F igure 4). Lo cate the typical I/O rate for a drive in your sys[...]

Cheetah 1 5K.6 SAS Prod uct Manual, R ev. B 35 ST3146756SS ( FDE) model in 3 Gb it operation T ypical power dissi pation under idle co nditions in 3Gb opera tion is 9.15 watt s (31.22 BTUs per hour ). T o obtain oper ating power for typical rando m read operations, re fer to the following I/O rate curve ( see F igure 4). Lo cate the typical I/O rat[...]

36 Cheetah 1 5K .6 SAS Produ ct Manual , Rev. B 6.4 Enviro nmental limi t s T emperatur e and humidity values exp erienced by the dr iv e must be such that cond ensation does not occur on any dr i ve p art. Altit ude and a tmospheric p ressure sp ecifications are reference d to a stand ard day at 58.7°F (14.8°C) . Maximum we t bulb tempe rature i[...]

Cheetah 1 5K.6 SAS Prod uct Manual, R ev. B 37 6.4.2 Relative hu m idity The valu es below assume that no cond ensation on the dr i ve occur s. a. Operati ng 5% to 95% non- condensing r elative humidity w ith a max i m um gradie nt of 20% per h our . b. Non -operating 5% to 95% non- condensing r elative humidity . 6.4.3 Effecti ve altitu de (sea le[...]

38 Cheetah 1 5K .6 SAS Produ ct Manual , Rev. B d. Packag ed disk drives shipped as loose loa d (not palletized) general freight will b e p ackaged to withstand drops from hei ghts as de fined in the t able bel ow . For add i t ional de tails refer to Seagate specific ations 30 190-001 (under 100 lbs/45 kg) or 30191-001 (o ver 100 lbs/45 Kg). Drive[...]

Cheetah 1 5K.6 SAS Prod uct Manual, R ev. B 39 6.4.4.2 V ibrat ion a. Operati ng—nor mal The dr ive as inst alled for normal oper ation, shall co mply wit h the comp lete specified perf ormance while subjected t o continuous vibr ation not exce eding 10–500 Hz @ 0.5 G (ze ro to peak) V ibrat ion may be a pplied in the X , Y , or Z axis. Operati[...]

40 Cheetah 1 5K .6 SAS Produ ct Manual , Rev. B Users shoul d use cau tion exposing an y electronic component s to uncontroll ed chemical pollut ants and corr o- sive chemi cals as el ectroni c dr ive com ponen t reliab i lity can be af fected by the i nst allati on environmen t. Th e sil- ver , copper , nickel and gold films used in Seagate prod u[...]

Cheetah 1 5K.6 SAS Prod uct Manual, R ev. B 41 Figure 12. Physical dimensions 26.1 1 MAX (1.028 MAX) 2X 20.14 (2X .793) 6.35 (.250) 24.00 (.945) 2X 28.45 (2X 1.120) 2X 70.05 (2X 2.758) 122.00 (4.803) 2X 130.05 (2X 5.120) 0.36 ( .014) 146.99 MAX (5.787 MAX) 131.17 (5.164) 85.60 (3.370) 41.15 (1.620) 2X 29.21 (2X 1.150) 1.45 (.057) 3.17 (.125) 20.14 [...]

42 Cheetah 1 5K .6 SAS Produ ct Manual , Rev. B[...]

Cheetah 1 5K.6 SAS Prod uct Manual, R ev. B 43 7.0 Defect and error management Seag ate continues to use innovative techno logies to ma nage defect s and errors. T hese technologie s are designed to increase da ta integr ity , per form drive se lf-m aintenance, and val idat e proper drive o perati on. SCSI d efect and erro r management involves dr [...]

44 Cheetah 1 5K .6 SAS Produ ct Manual , Rev. B The dr ive firmwa r e error recovery algor ithms consists o f 13 levels for read recove ries and five levels for write. Each level may consist of m ultiple steps, where a step is defined as a recovery functi on involv ing a sin gle re- read or re-write a ttempt. The maximum le vel used by the drive in[...]

Cheetah 1 5K.6 SAS Prod uct Manual, R ev. B 45 7. 3 SA S s ystem err ors Inform ation on the reporti ng of oper ational er rors or fau lts acr oss the interface is given in t he SAS Interf ace Manual . The SSP Respon se returns i nformation to the host about numerous kinds of e rrors or fault s. The Recei ve Diagno stic Result s report s the result[...]

46 Cheetah 1 5K .6 SAS Produ ct Manual , Rev. B 7.6 De ferr ed A uto-Rea ll ocat ion Deferred Aut o-Realloc ation (DAR) simplifies reallocation al g orithms at the system leve l by allowing the drive to reall ocate un readabl e location s on a subse quent write command. Sites are marked for DAR during read oper- atio ns perfo rmed by the drive. Whe[...]

Cheetah 1 5K.6 SAS Prod uct Manual, R ev. B 47 8.0 Inst al lat ion Cheet ah 15K.6 disk dri ve inst allat ion is a plug -and-pla y process. T here are no jumpers, swi tches, or t ermina- tors on the drive. SAS drives are designed to be used in a host system t hat pr o vides a SAS-com patible backplane with bays designed to accommodate t he drive. In[...]

48 Cheetah 1 5K .6 SAS Produ ct Manual , Rev. B If for ced air is d etermined to be necessar y , possi ble ai r-flow p atterns are shown in F igure 13 . The air-flow p at- terns ar e created by one or more fans, either for cing or drawing air as sho wn in the illustrati ons. Conduction, convecti on, or other for ced air- flow pattern s are accept a[...]

Cheetah 1 5K.6 SAS Prod uct Manual, R ev. B 49 8. 3 Dr iv e mo unti ng Mount the dr iv e using the b ottom or side mo unti ng holes. If you moun t the d ri ve u sing the botto m ho le s, ensu re that you do not physically disto rt the drive by att empting to mount i t on a stiff, non -flat surface. The allowable moun ting surface stiffne ss is 80 l[...]

50 Cheetah 1 5K .6 SAS Produ ct Manual , Rev. B[...]

Cheetah 1 5K.6 SAS Prod uct Manual, R ev. B 51 9.0 Interface requ i rement s This secti on par tially describe s the i nterface req uirements as implem ented on Cheet ah 15K.6 dri ves. Addi- tion al informatio n is provided i n the SA S Interfa ce Manual (p art numbe r 100293071). 9.1 SA S feat ur es This secti on lists t he SAS-specific features s[...]

52 Cheetah 1 5K .6 SAS Produ ct Manual , Rev. B 9.2 Dual port su pport Cheet ah 15K.6 SAS drives have two i ndepende nt ports. Th ese ports may be connecte d in the same or dif fer- ent S CSI domains . E a ch drive por t has a unique SAS address. The two port s run at the same link rate. The first port to successfu l ly complete speed negotiation s[...]

Cheetah 1 5K.6 SAS Prod uct Manual, R ev. B 53 9. 3 SC SI comm and s su ppor te d T able 21 list s the SCSI co mmands supporte d by Cheetah 15 K .6 drives. T able 21: Comm ands supp orted by Chee tah 15 K.6 SAS fami ly drive s Com m a nd na m e Com m a nd code Sup po rted Change D efini tion 40h N Comp are 39h N Cop y 18h N Cop y and V erify 3Ah N [...]

54 Cheetah 1 5K .6 SAS Produ ct Manual , Rev. B Non -medi um Erro r pa ge (06h) Y Page s Suppor ted list (00h) Y Rea d Erro r Counter pa ge (0 3h) Y Re ad Reverse E rror Cou nter page ( 04h) N Self-test Results pag e (10h) Y Backg round Med ium Scan pa ge (15h) Y S tar t-stop Cycl e Counter p age (0Eh) Y T emperatur e page (0D h) Y V erify Error Co[...]

Cheetah 1 5K.6 SAS Prod uct Manual, R ev. B 55 Reassign B locks 07h Y Recei ve Diagnosti c Result s 1Ch Y Supp orted D iagnostic s pages ( 00h) Y T ranslate p age (40h) Y Release 17h Y Relea se (10) 57h Y Request S ense 03h Y Actual Re try Count byte s Y Extend ed Sense Y Fiel d Pointer bytes Y Reserve 16h Y 3rd P arty Reserve Y Extent Reservation [...]

56 Cheetah 1 5K .6 SAS Produ ct Manual , Rev. B [1] Cheet ah 15K.6 drives can format to 512 , 520, 524, or 52 8 bytes per lo gical block. [2] Wa r n i n g . Power lo ss during flas h progr amming can result in firmware corru ption. This usually makes the driv e inoperab le. [3] Refe rence Mod e Sense comma nd 1Ah for mo de pages supp orted. [4] Y =[...]

Cheetah 1 5K.6 SAS Prod uct Manual, R ev. B 57 9.3.1 Inqu iry dat a T able 22 list s the Inquiry co mmand dat a that the dr ive should r eturn to the ini tiator p er the f ormat give n in the SAS In terface Ma nual . T able 22: In qu iry dat a * Copyright year (changes with actual y ear). ** SCSI Revision sup port. R efer to the appropiate S PC re [...]

58 Cheetah 1 5K .6 SAS Produ ct Manual , Rev. B 9.3.2 Mode S ense dat a The M ode Se nse comman d provides a way for the d rive to rep ort its operating parameter s to the i nitia tor . The driv e maint ains four sets of mode parameter s: 1. Defaul t values Defaul t values are hard -coded in the drive firmware stored in fla sh E-PROM (non volatile [...]

Cheetah 1 5K.6 SAS Prod uct Manual, R ev. B 59 9.3.2.1 ST3 450856S S/ST34500 56SS Mode S ense da ta MOD E DATA HE ADER : 01 2 e 00 10 00 00 0 0 08 MODE PAG ES: DEF 81 0a c0 0b 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 0 0 00 00 00 00 0 0 00 01 3a 0 0 00 00 00 CHG 82 0e 00 0 0 00 00 00 00 0 0 00 ff ff 0 0 00 00 00 [...]

60 Cheetah 1 5K .6 SAS Produ ct Manual , Rev. B 9.3.2.2 ST3 300656S S/ST33000 56SS Mode S ense da ta MOD E DATA HE ADER : 01 2e 00 10 00 00 00 08 MODE PAG ES: DEF 81 0a c0 0b 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 0 0 00 00 00 00 0 0 00 01 3a 0 0 00 00 00 CHG 82 0e 00 0 0 00 00 00 00 0 0 00 ff ff 0 0 00 00 00 D[...]

Cheetah 1 5K.6 SAS Prod uct Manual, R ev. B 61 9.3.2.3 ST3 146356S S/ST31467 56SS Mode S ense da ta MOD E DATA HE ADER : 01 2e 00 10 00 00 00 08 MODE PAG ES: DEF 81 0a c0 0b 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 0 0 00 00 00 00 0 0 00 01 3a 0 0 00 00 00 CHG 82 0e 00 0 0 00 00 00 00 0 0 00 ff ff 0 0 00 00 00 DE[...]

62 Cheetah 1 5K .6 SAS Produ ct Manual , Rev. B 9. 4 M iscel la neou s op erati ng fe at ures and con dit ions T able 23 lists va rious featur es and conditio ns. A “Y” i n the suppor t column indica tes the featu r e or con dition is support ed. An “N” in th e support co l umn ind icates the feat ure or con dition is no t supported. 9.4.1 [...]

Cheetah 1 5K.6 SAS Prod uct Manual, R ev. B 63 Det ails of the ph ysical, electrical, an d logi cal charac teristics are provide d w ithin t his section. Th e operational aspect s of Seagate’ s SAS drives are pro vided in the SA S Interfa ce Manual .. Figure 14. Physical inte rface SAS Interface connector[...]

64 Cheetah 1 5K .6 SAS Produ ct Manual , Rev. B Figu re 15 . SAS c on nect or dime n sio ns C OF DATUM B L 5.08 1.27 (6X) 1.27 (14X) 15.875 0.35MIN 15.875 33.43 0.05 B 4.90 0.08 0.84 0.05 (22X) 0.15 B P15 P1 S7 S1 SEE Detail1 0.30 0.05 (4X) 4.00 0.08 0.15 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) [...]

Cheetah 1 5K.6 SAS Prod uct Manual, R ev. B 65 Figu re 16 . SAS c on nect or dime n sio ns 9.4.2 Physical charact er istic s This section defines physical int erface connector . 9.4.3 Conn ector req u irem ents The S AS connector o n the drive comp lies with SF F-8 482. Con tact your p r efe rre d connector ma nufacturer for mating p art informat i[...]

66 Cheetah 1 5K .6 SAS Produ ct Manual , Rev. B 9.4.4 Electrical d escription SAS d rives use the d evice connector for: • DC power • SAS inte rface • Activity LED This conn ector is designe d to either plug directly into a backpanel or accept c ables. 9.4.5 Pin descriptio ns This secti on pro vides a p in-out of the S AS devi ce and a descri[...]

Cheetah 1 5K.6 SAS Prod uct Manual, R ev. B 67 9.4.6 SAS transm itters and r eceivers A typ ical SAS differe ntial co pper tra nsmitter and r eceiver pai r is sh own in Figu re 17. The receiver is AC cou- pling to elimi nate groun d shif t noise. Figure 17. SAS transmitters and receivers 9.4.7 P ower The dr ive re ceives powe r (+5 volt s and +12 v[...]

68 Cheetah 1 5K .6 SAS Produ ct Manual , Rev. B The Re ady LED Out signa l is designed t o pull down th e cathode of an LED. The an ode is attache d to the proper +3.3 volt supp ly through an app ropriate current li miting resi stor . The LED and th e current li miting r esis- tor ar e external to the d r ive. See T able 27 for t he output ch aract[...]

Cheetah 1 5K.6 SAS Prod uct Manual, R ev. B 69 9.5.2.1. 2 Rec eive eye m ask Figure 18 describes t he receive eye m ask. This eye mask ap plies to jitter af ter the applicati on of a singl e pole high-p ass frequency-wei ghting function tha t progr essively attenuates jitter at 20 dB /decade below a frequency of ((b it rate) / 1 .667). Figure 18. R[...]

70 Cheetah 1 5K .6 SAS Produ ct Manual , Rev. B The leading and tr ailing edge sl opes of figure 18 shall be preserved. As a result the a mplitude valu e of Z 1 is less than that given in table 30 and Z1 TO L and Z1 OP shall be defined from those slopes by the following equa- tion: where: Z1 TOL is the value for Z1 to b e used for the toler ance ma[...]

Cheetah 1 5K.6 SAS Prod uct Manual, R ev. B 71 9.5.2.2 T ran smitte r signa l characterist ics T able 29 specifies th e signal requ i reme nts at the tra nsm itte r end of a TxRx con nection as me asured into the zero-le ngth test load. All specific ations are b ased on differ ential measureme nts. The OOB sequence is perform ed at signal volt age [...]

72 Cheetah 1 5K .6 SAS Produ ct Manual , Rev. B 9.5.2.3 Receiver signal cha racteri stics T able 3 0 defines the compl iance point requirement s of the si g nal at th e receiver e nd of a T xRx connection as measur ed into the te st loads specified i n fi gure 21 a nd figure 22 . 9.5.2.3. 1 Jitter T able 31 d efines t he maximum allowable jitt er .[...]

Cheetah 1 5K.6 SAS Prod uct Manual, R ev. B 73 9.5.2.3. 2 Receiver jit ter to lerance T able 32 d efines the am ount of jitter the receiver shall tolerate . 9.5.2.3. 3 Compliant jit ter test p attern ( CJTP A T) The C JTP A T withi n a comp liant pr otocol fra me is used for all jitter te sting unless o therwise specifie d. See the SAS Inte rface M[...]

74 Cheetah 1 5K .6 SAS Produ ct Manual , Rev. B 9.5.2.4 Elect rical T xRx conn ections TxRx conn ections may be divid ed into T xRx connecti on segment s. In a sing le TxRx conne ction individual TxRx connection segmen ts may be formed from dif fering medi a and material s, including traces on printed wir - ing boa rds and opti cal fib ers. This su[...]

Cheetah 1 5K.6 SAS Prod uct Manual, R ev. B 75 A com binatio n of a zer o-length t est load and the tran smitter compl iance transf er function (TCTF) test load method ology is use d for the specificat i on o f transmitter characteristics. This method ology specifies the trans- mitter signal at t he test point s on the required test l oads. Th e tr[...]

76 Cheetah 1 5K .6 SAS Produ ct Manual , Rev. B Figure 22 shows the zero- l ength test load. Figu re 2 2 . Zer o-l engt h test loa d Figure 23 shows an ISI loss example at 3.0 Gbp s. Figure 23. ISI loss example at 3. 0 Gbps Figure 24 shows an ISI loss example at 1.5 Gbp s. Figure 24. ISI loss example at 1. 5 Gbps Tx + Tx - 10 n F 50 ohm 50 o hm P r[...]

Cheetah 1 5K.6 SAS Prod uct Manual, R ev. B 77 9.5.2.5 Receiver characterist ics The driv e re ceiver i s A.C. coup led. The recei ve netwo r k termina tes the TxRx conne ction by a 1 00 ohm eq uiva- lent i mpedance a s specified in tabl e 33. The rece iver operates within a B ER of 10 -12 when a SAS signal with val id volt age and timing char acte[...]

78 Cheetah 1 5K .6 SAS Produ ct Manual , Rev. B[...]

Cheetah 1 5K.6 SAS Prod uct Manual, R ev. B 79 10.0 Seagat e T echnology suppo r t ser vice s Inter net For info rmation regardi ng Seagate pr oducts an d services, visit www .se a gate.com . W orldw ide support i s availa ble 24 hour s daily by email fo r your questions. Pre sales Su ppor t: Presa les@Seaga te.com T echni cal Supp or t: DiscSuppo [...]

80 Cheetah 1 5K .6 SAS Produ ct Manual , Rev. B Custo mer Se rvice Op eratio ns W arranty Ser vice Seag ate of fer s worldw ide custom er supp ort for Seagate pro duct s. Seagate distri butor s, OEMs and other direct customer s should cont act their Seagate Custom er Service Operation s (CSO) r epresent ative for wa rranty- related issu es. Reselle[...]

Cheetah 1 5K.6 SAS Prod uct Manual, R ev. B 81 Index Numerics 12 volt pin s 67 5 volt pins 67 A abort t ask set function 51 AC coup li ng 67 AC powe r requirem ents 23 ACA active status 62 ACA acti ve, faulted i nitiator st atus 62 acoustics 39 active LE D Out sign al 67 actuator assembly design 7 adaptiv e caching 6 2 AFR 9 air cl eanliness 39 air[...]

82 Cheetah 1 5K .6 SAS Produ ct Manual , Rev. B envi ronmenta l contro l 39 error manage ment 43 rat es 15 error s 43 F FCC rules and r egulations 3 feature s 8 interface 51 firmware 8 corrup tion 56 flawe d sector re allocation 8 Form at command executio n time 12 function complete , code 00 51 not supp orted, code 05 5 1 reject, co de 04 51 G Goo[...]

Cheetah 1 5K.6 SAS Prod uct Manual, R ev. B 83 non-op erating 37 , 39 temper ature 36 non-op erating vibr ation 39 O offi ce environme nt 39 operat i n g 37 , 39 option sel ection 66 out-of- plane distorti on 49 P package size 38 package t est specification 5 packaged 38 param eter rounding 6 2 PCBA 49 peak bits p er inch 11 peak ope rating current[...]

84 Cheetah 1 5K .6 SAS Produ ct Manual , Rev. B T task man agement functions 5 1 Abort task se t 51 Clear ACA 51 Clear task se t 51 termina te task 51 task man agement response codes 51 Function complete 00 51 Function not supported 05 51 Function reject 04 51 task set full st atus 62 technical support services 79 temper ature 36 , 47 limits 36 non[...]

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Seag ate T echno logy L LC 920 D isc Drive , Scott s V alley , Califo r ni a 95066- 4544, USA Public ation N umber: 1 00466193, Rev . B, Printed in U SA[...]