Seagate ST9146802SS manuale d’uso

Prod uct Ma nu al Savvi o ® 10K. 2 SAS 10038 4760 Rev . D Aug ust 2007 ST91 46 802S S ST97 34 02SS[...]

©2007, Seagate T echnology LLC All righ ts reserved. Pub lication nu mber: 100 38476 0, Rev . D Aug ust 2007 Sea gate, Sea gate T echnolog y and the W ave logo are registe red trade marks of S eagate T echno logy LL C in t he United S tat es and/or othe r countries. S avvio, SeaT oo ls and SeaT DD are eithe r tradema rks or regis - tered trademark[...]

Savvio 1 0K.2 SAS P roduct Ma nual, Rev. D i Cont ent s 1.0 S cope . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 2.0 Ap plicable standard s and refe rence docume ntation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 2.1 S tandar[...]

ii Savvio 10K.2 SAS Pr oduct Manu al, Rev. D 6.4.2 Relat ive hum idity . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31 6.4.3 E ffective altitude (sea level) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31 6.4.4 S hock and vibr ation . . . . . . . . . . . . . . . .[...]

Savvio 1 0K.2 SAS P roduct Ma nual, Rev. D iii List o f Fi gures Figure 1. Savvio 1 0K.2 SAS disc drive . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 Figure 2. ST9 146802S S current pr ofile . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27 Figu[...]

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Savvio 1 0K.2 SAS P roduct Ma nual, Rev. D 1 1.0 S cope This ma nual de scribes Sea gate T echnolog y ® LLC, S avvio ® 10K .2 SAS (Ser ial Atta ched SC SI) disc drives. Savvio drives suppo rt the SAS Protocol specificati o ns to the extent described in this manu al. The SAS Inter - face Ma nual (p art num ber 100293071 ) descri bes the gene ral S[...]

2 Savvio 10K.2 SAS Pr oduct Manu al, Rev. D[...]

Savvio 1 0K.2 SAS P roduct Ma nual, Rev. D 3 2.0 Appl icable st andards an d refer ence docu ment ation The dr ive has been d evelope d as a system p eriphe ral to the hig hest st and ards of desig n and constru ction. T he drive d epen ds on it s h ost equipm ent to provid e ad equate power and envi ronm ent for optimum perf orm ance and compli an[...]

4 Savvio 10K.2 SAS Pr oduct Manu al, Rev. D 2.1.2 Elect roma gn etic com plia nce Seag ate uses an i ndepend ent lab oratory to confirm comp liance w ith the di rectives/st and ards for C E Ma rking and C-T ick Ma rking. The dr ive wa s tested in a repre sent ative system for typica l applications. The select ed sys - tem re present s the most po p[...]

Savvio 1 0K.2 SAS P roduct Ma nual, Rev. D 5 2.1.3 Eur opean Union R estr iction of Ha zardou s Sub st ances (R oHS) The Euro pean Union R estr iction of H azard ous Subst ance s (RoHS ) Dire ctive re stri ct s the p resen ce of ch emical subst ances, in cluding L ead (Pb), in e lectron ic prod ucts ef fective July 200 6. A n umber o f par ts and m[...]

6 Savvio 10K.2 SAS Pr oduct Manu al, Rev. D[...]

Savvio 1 0K.2 SAS P roduct Ma nual, Rev. D 7 3.0 General d escription Savvio dr ives com bine T unnel ing Magn etore sistive (T MR) heads an d a Seri al Att ached SCS I (SAS) interface to pro vide hig h pe rfor mance , high cap acity d at a sto rage for a va riety o f system s includ ing en gineer ing wor kst a - tions, ne twork servers, m ainframe[...]

8 Savvio 10K.2 SAS Pr oduct Manu al, Rev. D 3. 1 St and ar d fea tu r e s Savvio d rives have the followi ng stan dard featu res: • Perp endicular recording techno logy • 1.5 / 3 Gb it Serial Att ached SCSI (SAS) inter face • Integrat ed du al port SAS controll er suppor ting the S CSI proto col • Suppo rt for S AS expander s and fanou t ad[...]

Savvio 1 0K.2 SAS P roduct Ma nual, Rev. D 9 3.4 Reli abilit y • Annua lized Fa ilure Ra te (A FR) or 0 .55% • Mean ti me betwe en failur es (MTB F) of 1 ,600,000 ho urs • Balanced low ma ss rotar y voice coil actuator • Incorpor ates in dustry-st andard Sel f-Monitor ing Analysi s and Repo rting T echnology (S .M.A.R.T .) • 5-y ear warra[...]

10 Savvio 10K.2 SAS Pr oduct Manu al, Rev. D 3.8 Fa ctor y-ins talled opti ons Y ou m ay order the followin g items which are incor porated at the manufacturing facility durin g production or packa ged before shipping . Some o f the opti ons avail able are ( not an exha ustive list of possible o ptions): • Other cap ac ities can be ord ered depen[...]

Savvio 1 0K.2 SAS P roduct Ma nual, Rev. D 11 4.0 Performance cha racteristics This secti on provi des de ta iled i nformati on co ncern ing perf orm ance- rel ate d chara cteristics an d featur es of Sav - vio drives. 4.1 Int e rn al driv e char act eris tic s ST9146802SS ST973402SS Drive capacity 146.8 73.4 Gbytes (formatted, rounded off value) R[...]

12 Savvio 10K.2 SAS Pr oduct Manu al, Rev. D 4.2.2 For mat co mmand execut ion tim e for 512-byt e se ctors (mi nutes) 4.2.3 Ge neral perf orma nce cha racter istics ST9146802SS ST973402SS Max i mu m ( wi t h ver i fy ) 104 52 Maximum (w ithout verify) 70 35 Minimum sector interleave 1 to 1 Data buf fer to/from disc media (one 512-byte logic al blo[...]

Savvio 1 0K.2 SAS P roduct Ma nual, Rev. D 13 4.3 St art/ stop time The drive accep ts the comm ands listed in the SAS Interface Manual less than 3 seconds af ter DC power has been ap plied. If the d rive r eceives a NOTIFY (ENABLE SPINUP) p rimitive thro ugh eit her port and has not rece ived a ST A R T ST OP UNIT command wi th the S T AR T bit eq[...]

14 Savvio 10K.2 SAS Pr oduct Manu al, Rev. D Case B —A Read comman d requests dat a, and at least one requ ested logical block is not in any segment of the cache : 1. The d rive fetches t he request ed logical blocks f rom the disc and transfers them into a segm ent, and t hen from t here to the host in accordance w ith the M ode Select Disconnec[...]

Savvio 1 0K.2 SAS P roduct Ma nual, Rev. D 15 When prefetch (read l ook-ahe ad) is enabl ed (enab led by DRA = 0), the d rive e nables prefe tch o f contiguous blocks from the d isc when it sen ses that a prefetch hi t will likely occur . The drive disables prefetch when it decides tha t a pr efetch hit is no t likel y to occur .[...]

16 Savvio 10K.2 SAS Pr oduct Manu al, Rev. D[...]

Savvio 1 0K.2 SAS P roduct Ma nual, Rev. D 17 5.0 Reliabili ty specifi cations The follow ing reliab ility specificat ions assume correct hos t and driv e ope ration al int erface, inclu ding all inter - face timi ngs, power supply volt ages, environ mental requir ements and dri ve mounting constraint s. 5.1 E rror ra te s The er ror rat es stated [...]

18 Savvio 10K.2 SAS Pr oduct Manu al, Rev. D 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 addresse d track. Aft er dete cting an initia l seek error , the driv e automati call y perf orms an error recovery process. If the er ror recover y process fails, a seek positionin g error (Error cod e = [...]

Savvio 1 0K.2 SAS P roduct Ma nual, Rev. D 19 5.2.4 S .M.A. R.T . S.M.A.R .T . is an acronym for Se lf-Mon itoring Analysis and Repor ting T echno logy . This techno logy is intended to recogn ize conditions th at indicate im minent drive failur e and is designe d to provide suf fici ent warning of a failu re to allow you to back up the dat a be fo[...]

20 Savvio 10K.2 SAS Pr oduct Manu al, Rev. D Re po rt ing cont rol Reporti ng is controlled by th e MRIE bits in the Info rma tional Excep tions Con trol mode p age (1C h). Subj ect to the repo rting me thod, the fi rmware 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 min[...]

Savvio 1 0K.2 SAS P roduct Ma nual, Rev. D 21 can be used to set th is t rip poin t. The defau lt val ue for this drive is 65°C, how eve r , you can set it to an y value i n the range of 0 to 65°C. If you specify a tempera ture great e r than 65°C in this fiel d, the temperat ure is roun ded down to 6 5°C. A sense co de is sen t to th e host to[...]

22 Savvio 10K.2 SAS Pr oduct Manu al, Rev. D 5.2.6.2. 1 S t ate of t he drive p rior to t esting The dr ive mu st be in a re ady st ate befor e issuing the Send Diagnos tic command. Ther e are mu ltiple re asons why a drive may not be read y , some of which are valid conditio ns, and not erro rs. For example, a drive may be in process o f doi ng a [...]

Savvio 1 0K.2 SAS P roduct Ma nual, Rev. D 23 5.2.6.2. 4 Log p age entrie s When the dr ive b egins DST , it create s a new entr y in the Se lf-test Result s Log page. The new ent ry is created by i nserti ng a new self -te st p ar ame ter block a t the beg i nning of t he se l f-test resu lts l og p a rameter section of the log p age . Existi ng d[...]

24 Savvio 10K.2 SAS Pr oduct Manu al, Rev. D Produ ct rep ai r and ret urn info rmatio n Seag ate customer service centers are the only facilit ies authorized to service Seag ate drives. Seagate does not sanct ion any third -part y repair facilities. Any unau thor ized re pair or t ampering with the facto ry seal voids the w arranty .[...]

Savvio 1 0K.2 SAS P roduct Ma nual, Rev. D 25 6.0 Physical/el ectrical spe cifications This secti on pro vides infor mation re lating to the physical and electrica l chara cteristics o f the driv e. 6.1 AC po wer re qu ir em ent s None. 6.2 DC po wer re qu ir em ent s The volta ge and current r equir ements for a s ingle d rive a re show n below . [...]

26 Savvio 10K.2 SAS Pr oduct Manu al, Rev. D Ge n 3. 5 L PSS me as ured d ata (la te st ava ila bl e) pl us 12V ma x s tar t c ur rent m argi ns of .15A f or D C an d .20A fo r AC. All ot hers h av e 10 % ma r gi n ad de d. [1] Measur ed with average r eadin g DC ammete r . Instan taneou s +12V cur rent peaks will exceed these val - ues. P ower sup[...]

Savvio 1 0K.2 SAS P roduct Ma nual, Rev. D 27 6.2.1 Cond ucted nois e immu nity Noise is specifi ed as a per iodic and random distr ibution of fre quencies cover ing a ba nd from DC to 1 0 MHz. Maximum allowed noise valu es given below ar e peak-to- peak measu rement s and apply at the d rive p ower connector . 6.2.2 Powe r se quenc ing The dr ive [...]

28 Savvio 10K.2 SAS Pr oduct Manu al, Rev. D Figure 3. ST973402SS cur rent profile Not e: All ti mes and currents are typical. See T ables 12 and 13 for maximum current requirements.[...]

Savvio 1 0K.2 SAS P roduct Ma nual, Rev. D 29 6. 3 Po wer di ssi p atio n ST914680 2SS in 3 Gbit ope ration T ypical power dissip ation under idle co nditions in 3Gb o peration i s 5.18 watt s (17.68 BTU s per hour ). T o obta in operating powe r for typical rando m read opera tions, re fer to the following I/O ra te curve (s ee Figure 4 ). Lo cate[...]

30 Savvio 10K.2 SAS Pr oduct Manu al, Rev. D 6.4 Enviro nmental li mit s T emper ature and hum idity values exp erienced by the dr iv e must be such t hat condensation does not occur on any dr ive p art. A ltitude a nd atmosp heric p ressure sp ecificati ons are reference d to a stand ard day at 58. 7°F (14.8°C) . Maxim um wet bul b tempe rature [...]

Savvio 1 0K.2 SAS P roduct Ma nual, Rev. D 31 6.4.2 Rela tive hu midity The valu es below assume that n o cond ensation on th e drive occurs. a. Operati ng 5% to 95% non- condensing r elative hu midity wi th a max imum g radient of 2 0% per h our . b. Non -operating 5% to 95% non- condensing r elative hu midity . 6.4.3 Eff ective alt itude ( sea le[...]

32 Savvio 10K.2 SAS Pr oduct Manu al, Rev. D d. Packag ed Disc drives shipped as loose load ( not palletized) general freight will be p ackag ed to withst and dr ops fr om hei ghts as de fined in t he tabl e below . Fo r addit ional de tails refer to Seaga te specifica tions 30 190-001 (under 100 l bs/45 kg) or 30191-00 1 (o ver 100 lbs/45 Kg). Dri[...]

Savvio 1 0K.2 SAS P roduct Ma nual, Rev. D 33 6.4.4.2 V ibration a. Operati ng—nor mal The dr ive as inst alled for normal oper ation, shall co mply wit h the comp lete specifie d perf ormance w hile subjected t o contin uous vibrati on not exce eding 1-500 Hz @ 0.5 G (zero to peak) V ibrat ion may be a pplied in the X, Y , or Z axis. Operati ng [...]

34 Savvio 10K.2 SAS Pr oduct Manu al, Rev. D 6.4.7 A cous tics Soun d power dur ing idle m ode shal l be 3.1 be ls typical when mea sured to ISO 77 79 specifica tion. Ther e will not be any d iscrete to nes more tha n 10 dB above the masking noi se on typical drives wh en mea - sured ac cording to Seaga te specificat ion 305 53-001. T here will no [...]

Savvio 1 0K.2 SAS P roduct Ma nual, Rev. D 35 6. 5 M ec hani cal spe cif icat ion s The follow ing nominal dimensions ar e exclusive of the decorative fron t pa nel accessory . However , dime nsions of the front panel are shown in figure below . Refer to Fig ure 8 for det a iled mo unting configuration dime nsions. See Sectio n 8.3 , “Drive mount[...]

36 Savvio 10K.2 SAS Pr oduct Manu al, Rev. D[...]

Savvio 1 0K.2 SAS P roduct Ma nual, Rev. D 37 7.0 Defect and error management Seag ate continues to use innovative techno logies to ma nage defect s and erro rs. These tech nologie s are designed to incre ase data integr ity , per form drive se lf-m aintenance, an d validat e pro per dri ve opera tion. SCSI d efect and erro r managem ent involves d[...]

38 Savvio 10K.2 SAS Pr oduct Manu al, Rev. D The drive firmware error recove ry algor ithms consist s of 1 1 level s for read reco veries and five levels for writ e. Each level may consist of m ultiple steps, where a step is defined as a re covery function involving a sin gle re- read or re- write a ttempt. T he maximum l evel used by the drive in [...]

Savvio 1 0K.2 SAS P roduct Ma nual, Rev. D 39 When the RC bit is one , reallocations ar e disabled even if the ARRE or A W RE bits are one. T he drive will still perfor m dat a re covery actions withi n the li mits d efined by the Read Retr y Count, W r ite Retry Co unt, and Recovery T ime Lim it p arameter s. Howeve r , the drive d oes not rep ort[...]

40 Savvio 10K.2 SAS Pr oduct Manu al, Rev. D Since the backgr ound scan functi on s ar e o nly don e d uring idle p eri od s, BMS cau ses a neg ligib le imp a ct to sys - tem perfo rma nce. The first BMS scan for a newly manufactu red drive is performe d as quickly as possible to verify the m edia an d protect da ta by setti ng the “S tar t time [...]

Savvio 1 0K.2 SAS P roduct Ma nual, Rev. D 41 8.0 Inst allation Savvio disc dri ve insta llati on is a p lug-a nd-play process. There are no jumpe rs, switch es, or te rminators on the driv e. SAS drives are designed to be used in a host system t hat provides a SAS-comp atible backplan e with bays designed to acco modate the dr ive. In such systems[...]

42 Savvio 10K.2 SAS Pr oduct Manu al, Rev. D 8.2 Coolin g Cabi net coolin g must be d esigned by the custom er so that the a mbient temp erat ure immed iately sur rounding the driv e will n ot exceed tem perature conditio ns specifie d in Section 6.4.1, "T emp erat ure." The rack, cabi net, or drawer enviro nment for the dr ive m ust prov[...]

Savvio 1 0K.2 SAS P roduct Ma nual, Rev. D 43 8. 3 Driv 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 no t physically disto rt the dr ive by att empting to m ount it on a stif f, non-fl at surface. The allowable moun ting s urface stif fne ss is 8[...]

44 Savvio 10K.2 SAS Pr oduct Manu al, Rev. D[...]

Savvio 1 0K.2 SAS P roduct Ma nual, Rev. D 45 9.0 Interface requ irement s This se ction p artiall y describe s the interface req uirement s as i mplement ed on Savvi o drives. Addi tional i nfor - mation is p rovided in the SAS Inter face Manu al (par t number 100293071) . 9.1 SA S fe atur es This section lists t he SAS- specific fea tures suppor [...]

46 Savvio 10K.2 SAS Pr oduct Manu al, Rev. D 9.2 Dual po rt supp or t Savvio S AS drives hav e two indepen dent por ts. These ports may be conn ected in the sam e or differ ent SCSI domains. Eac h drive port has a unique SAS address. The two port s run at the same l ink rate. The first port to successfully com plete speed negotiati on sets the link[...]

Savvio 1 0K.2 SAS P roduct Ma nual, Rev. D 47 9. 3 SCSI c omm and s su pp orte d T able 17 li sts th e SCSI co mmands sup ported by S avvio driv es. T a ble 17: Co mmand s supp orted by Sa vvio SAS famil y drive Com m a nd na m e Com mand co de S upp ort ed Change D efini tion 40h N Compare 39h N Copy 18h N Cop y and V erify 3Ah N Format Unit [1] 0[...]

48 Savvio 10K.2 SAS Pr oduct Manu al, Rev. D Last n De ferr ed Errors or Asynchro nous Even ts pa ge (0 Bh) N Last n E rror Events page ( 07h) N Non -medi um Error p a ge (06h) Y Page s Supported l ist (00h) Y Rea d Erro r Coun ter pag e (0 3h) Y Re ad Reverse E rror Cou nter p age ( 04h) N Self-test Results pag e (10h) Y S tart-sto p Cycle Coun te[...]

Savvio 1 0K.2 SAS P roduct Ma nual, Rev. D 49 Read Capacity ( 10) 25h Y Read Capacity ( 16) 9Eh/10 h N Read Defect Dat a (10) 37h Y Read Defect Dat a (12) B7h Y Read Lon g 3Eh Y Rea d Long (16 ) 9Eh/1 1h N Reassign B locks 07h Y Recei ve Diagnosti c Result s 1Ch Y Supp orted Di agnostic s pages ( 00h) Y T ranslate p age (40h ) Y Release 17h Y Relea[...]

50 Savvio 10K.2 SAS Pr oduct Manu al, Rev. D [1] Savvio d rives can format to 512, 520, or 52 8 bytes per l ogical bl ock. [2] Wa r n i n g . Power lo ss during fla sh pr ogrammin g can result i n firmw are co rruption. This usually m akes the driv e inoperab le. [3] Refe rence Mod e Sense co mma nd 1Ah fo r mode p ages supp orted . [4] Y = Y es. C[...]

Savvio 1 0K.2 SAS P roduct Ma nual, Rev. D 51 9.3.1 Inqu iry dat a T able 18 list s the Inquiry co mma nd dat a that th e dr ive shoul d retur n to the initiato r p er the f ormat gi ven in the SAS In terface Ma nual . T able 18: Savv io inqu iry dat a * Copyright y ear (changes with actual year). ** SCSI Revis ion support. See the appropriate SPC [...]

52 Savvio 10K.2 SAS Pr oduct Manu al, Rev. D On dr ives r equiring u nique saved val ues, the re quire d unique saved val ues are stored into the saved val - ues storag e location on the media prio r to shipping the drive. Some dr ives may have unique firmw are with unique d efault va lues also. On standa rd OEM drives, the saved values are taken f[...]

Savvio 1 0K.2 SAS P roduct Ma nual, Rev. D 53 T a ble 19: M ode Sense dat a change able and de fault va lues fo r ST9 146802S S drives MODE DATA HEADER: 03 fa 00 10 00 00 00 08 BLOCK DESCRIPTOR: 11 17 73 30 00 00 02 00 MODE PAGES: 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 00 00 00 00 00 00 00 01 3a[...]

54 Savvio 10K.2 SAS Pr oduct Manu al, Rev. D T a ble 20: M ode Sense dat a change able and de fault va lues fo r ST9 73402SS d rives MODE DATA HEADER: 03 fa 00 10 00 00 00 08 BLOCK DESCRIPTOR: 08 8b b9 98 00 00 02 00 MODE PAGES: 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 00 00 00 00 00 00 00 01 3a 0[...]

Savvio 1 0K.2 SAS P roduct Ma nual, Rev. D 55 9. 4 M isc ella neou s oper ating fe atur es a nd c on diti ons T able 21 lists va rious f eatures an d condit ions. A “Y” in the support colum n indica tes the featu re or con dition is support ed. An “ N” in th e support co lumn ind icates the feat ure o r condition is not supp orted. T a ble [...]

56 Savvio 10K.2 SAS Pr oduct Manu al, Rev. D 9.4.1 SAS ph ysica l interface Figure 1 1 sho ws the location of the S AS devic e conn ector J1. Fi gure s 12 and 13 pro vide the di men sions of the SAS co nnector . Det ails of the ph ysical, electrical, an d logical chara cteristics are provide d within this secti on. The opera tional aspect s of Seag[...]

Savvio 1 0K.2 SAS P roduct Ma nual, Rev. D 57 Figu re 12 . SAS de v i ce plug 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) [...]

58 Savvio 10K.2 SAS Pr oduct Manu al, Rev. D Figure 13. SAS device plug dimensions (d etai l) 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[...]

Savvio 1 0K.2 SAS P roduct Ma nual, Rev. D 59 9.4.2 Phy sical char act eristic s This section define s physical int erface conne ctor . 9.4.3 Conn ector req uirement s Con tact you r prefe rre d connecto r manuf acture r for matin g part in formation. P art numbers for SAS connectors will be provide d in a future revision o f this publicati on whe [...]

60 Savvio 10K.2 SAS Pr oduct Manu al, Rev. D NC - No connection i n the dr ive. 9.4.6 SAS transm itter s and r eceivers A typ ical SAS dif fere ntial copper tra nsmitter a nd r eceiver p air is show n in Fi gure 14. The re ceiver is AC co u - pling to elimi nate groun d shif t noise . Figure 14. SAS transmitters and receivers 9.4.7 P ower The dr iv[...]

Savvio 1 0K.2 SAS P roduct Ma nual, Rev. D 61 The Re ady LED Ou t signa l is desig ned t o pull down the cat hode of an LED . The an ode i s attache d to the proper +3.3 volt supp ly thr ough an app ropriate current limiti ng resisto r . The LED an d the cu rrent l imitin g resis - tor ar e external to the d rive. See T able 25 for t he output ch a[...]

62 Savvio 10K.2 SAS Pr oduct Manu al, Rev. D 9.5.2.1. 2 Rec eive eye m ask Figure 15 de scribes the re ceive eye mask. This eye m ask ap plies to jitter after the appl ication o f a single pole high-p ass fre quency-wei ghting function tha t progressi vely attenu ates jitter at 20 dB/deca de below a freq uency of ((b it rate ) / 1 .667). Figure 15.[...]

Savvio 1 0K.2 SAS P roduct Ma nual, Rev. D 63 The leading and trailing e dge sl opes of figure 15 sha ll be pre served. A s a re sult the a mplitude valu e of Z 1 is less than tha t given in t able 28 and Z1 TO L and Z1 OP shall be defined f rom those slopes by the following equa - tion: where: Z1 TOL is the value fo r Z1 to b e used for t he toler[...]

64 Savvio 10K.2 SAS Pr oduct Manu al, Rev. D 9.5.2.2 T ransmi tter si gnal ch aracter istics T able 27 specifies th e signa l requireme nts at the tra nsm itter en d of a TxR x connection as me asured into the zero-le ngth te st load. All sp ecificati ons are b ased on dif ferenti al measur ement s. The OOB sequence is perform ed at signal volt age[...]

Savvio 1 0K.2 SAS P roduct Ma nual, Rev. D 65 9.5.2.3 Receiver signal charac teristi cs T able 2 8 defi nes the compl iance point req uirement s of t he signal at the r eceiver e nd of a T xRx con nection as measur ed into the te st loads specified in figure 18 a nd figu re 19 . 9.5.2.3. 1 Ji tter T able 29 d efines t he maxi mum allow able jitt er[...]

66 Savvio 10K.2 SAS Pr oduct Manu al, Rev. D 9.5.2.3. 2 Rec eiver jitter toler ance T able 30 d efines t he amount of jitter the receiver shall tole rate . 9.5.2.3. 3 Comp liant jit ter tes t p attern ( CJTP A T) The CJTP A T wi thin a comp liant protoco l fra me is used for all jitte r testi ng unless o therwise specifie d. See the SAS Inte rface [...]

Savvio 1 0K.2 SAS P roduct Ma nual, Rev. D 67 9.5.2.4 Elect rical T xRx conn ecti ons TxRx conn ections may be d ivided i nto T xRx connecti on segme nts . In a sing le T xRx connecti on indi vidual TxRx connection segmen ts may be forme d from dif fering med ia and mate rials, includi ng traces on print ed wir - ing boa rds a nd optical fibers. Th[...]

68 Savvio 10K.2 SAS Pr oduct Manu al, Rev. D A com binatio n of a zer o-length t est load and the tran smitter compliance transf er function (TCT F) test load method ology is used for the specifi cat io n of tr ansmit ter char acteristics. This methodology specifies the tra ns - mitter signal at t he test po int s on the req uired test loads. The t[...]

Savvio 1 0K.2 SAS P roduct Ma nual, Rev. D 69 Figure 18 show s the compli ance inter connect test l oad. Figure 18. Compliance interconnect test lo ad Figure 19 sho ws the zero- length test l oad. Figu re 19 . Zer o- l engt h test lo ad Figure 20 show s an ISI loss example at 3. 0 Gbp s. Figure 20. ISI loss example at 3.0 Gbp s Tx+ Tx- 10 nF 50 ohm[...]

70 Savvio 10K.2 SAS Pr oduct Manu al, Rev. D Figure 21 show s an ISI loss example at 1. 5 Gbp s. Figure 21. ISI loss example at 1.5 Gbp s 9.5.2.5 Receiver chara cterist ics The driv e re ceiver i s A.C. coup led. The receive netw o r k termina tes the TxR x conne ction by a 100 ohm eq ui va - lent i mpedance a s specified in tabl e 31 . The rece iv[...]

Savvio 1 0K.2 SAS P roduct Ma nual, Rev. D 71 10.0 S eagate T echnolo gy suppo rt service s Inter net For info rma tion regardin g Seagate pr oducts and services, vi sit www .sea g ate.com . Worldw ide support i s availa ble 24 hour s daily by email fo r your que stions. Pre sales Su ppor t: Presa les@Seaga te.com T e chn ical Su pp ort: DiscSuppo [...]

72 Savvio 10K.2 SAS Pr oduct Manu al, Rev. D Custo mer S ervi ce Op erat ions W arranty Ser vice Seag ate of fer s worldw ide custom er supp ort for Seagate pro duct s. Se agate distr ibutor s, OEMs and other di rect customer s should cont act their Sea gate Customer S ervice Operati ons (CSO) repr esent ative for warra nty- related issu es. Resell[...]

Savvio 1 0K.2 SAS P roduct Ma nual, Rev. D 73 Index Numerics 12 volt pin s 60 5 volt pins 60 A abort t ask set function 45 AC coup ling 60 AC powe r re quirements 25 ACA active status 55 ACA acti ve, faulted i nitiator st atus 5 5 acoustics 34 active LE D Out sign al 60 actuator 9 assembly design 7 adaptiv e caching 5 5 air cl eanliness 33 air fl o[...]

74 Savvio 10K.2 SAS Pr oduct Manu al, Rev. D envi ronment 42 environm enta l limits 30 requir emen ts 17 envi ronmenta l control 33 error manage ment 37 rat es 1 7 error s 37 Euro pean Union Restr iction of Hazardou s Substa nc - es 5 F FCC rules and r egulatio ns 3 feature s 8 interface 45 firmware 8 corrup tion 50 flawe d sector re allocation 8 F[...]

Savvio 1 0K.2 SAS P roduct Ma nual, Rev. D 75 Task set full 55 miscorre cted m edia data 1 7 Mode se nse data, ta ble 51 , 53 mounting 43 hol es 43 orientat ions 41 mounting configu ration 35 mounting configu ration di mensions 35 MTB F 17 , 18 , 30 N noi se audi ble 3 noi se immunity 27 non-op erat ing 31 , 33 temper ature 30 non-op erat ing vibra[...]

76 Savvio 10K.2 SAS Pr oduct Manu al, Rev. D signal characte ristics 60 single-un it shipping pack kit 1 0 SMART 9 , 19 SMP = 1 in Mode Select comm and 55 spindl e brake 8 standar ds 3 start/stop time 13 support services 71 surface s tiffness allowa ble for non- flat su rface 43 switches 41 synchron ized spindle operat ion 55 system cha ssis 43 T t[...]

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