Seagate ST936701SS manuale d’uso

Prod uct Ma nu al Savvi o SAS 10035 0598 Rev . D Aug ust 2007 ST97 34 01SS ST93 67 01SS[...]

Copyri ght © 200 7 Seagat e T echnology LL C. All r ight s reserved . Printed in U.S. A. Pub lication nu mber: 100 35059 8, Rev . D, A ugust 2007 Sea gate, Sea gate T echnolog y and the W ave logo are registe red trade marks of S eagate T echno logy LLC in t he United S tates and/o r othe r countries. S avvio, SeaT ool s and SeaTD D are either tra[...]

Savvio SA S Product M anual, 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 tandards . . [...]

ii Savvio SAS Product Manual , Rev. D 6.4.1 T emperatu re . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32 6.4.2 Relat ive hum idity . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32 6.4.3 E ffective altitude (sea level) . . . . . . . . . . . [...]

Savvio SA S Product M anual, Rev. D iii List o f Fi gures Figure 1. Typical S T973401 SS drive + 12V current p rofile . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28 Figure 2. Typical S T973401 SS drive + 5V current pr ofile . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28 Figure 3. Typical ST93 67[...]

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Savvio SA S Product M anual, Rev. D 1 1.0 S cope This ma nual de scribes Sea gate T echnolog y ® LLC, S avvio ® SAS ( Serial At tached SCSI ) d i s c driv es. 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 1002 93071) d escribe s the general S AS char a[...]

2 Savvio SAS Product Manual , Rev. D[...]

Savvio SA S Product M anual, Rev. D 3 2.0 Appl icable st andards an d refere nce docu ment at ion 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 ance wit[...]

4 Savvio SAS Product Manual , 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 pular ch[...]

Savvio SA S Product M anual, Rev. D 5 2.2 Ref eren ce doc ume nt s Savvio SA S Instal lation Guide Seag ate par t number: 1003 50599 SAS In terface Ma nual Seag ate par t number: 100293071 ANSI SAS Do cuments SFF-82 232.5” Drive For m Factor with Serial Connector SFF-84 60HSS Backp lane Design Guideline s SFF-84 70Mul ti Lane C opper Conne ctor S[...]

6 Savvio SAS Product Manual , Rev. D[...]

Savvio SA S Product M anual, 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 ainframes, and [...]

8 Savvio SAS Product Manual , Rev. D 3. 1 St and ar d feat u re s Savvio d rives have the followi ng stan dard featu res: • 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 adap ters • Firmw are down loadab le using t he S[...]

Savvio SA S Product M anual, Rev. D 9 3.4 Reli abilit y • Mean ti me betwe en failur es (MTB F) of 1 ,400,000 ho urs • LSI circu itry • 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 nty 3.5 Fo rma tted ca pacities S t[...]

10 Savvio SAS Product Manual , Rev. D 3.8 Fa ctor y-ins talled o ption s Y ou m ay order the following items which are incorporated at the manufacturing facility during 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 depending on s[...]

Savvio SA S Product M anual, 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 ST973401SS ST936701SS Drive capacity 73.4 36.7 Gbytes (formatted, rounded off value) Read/write[...]

12 Savvio SAS Product Manual , 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 ST973401SS ST936701SS Max i mu m ( wi t h ver i fy ) 52 26 Maximum (w ithout verify) 26 13 Minimum sector interleave 1 to 1 Data buf fer to/from disc media (one 512-byte logic al block)* Mini[...]

Savvio SA S Product M anual, 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 RT ST OP UNIT command wi th the S T AR T bit equal to 0[...]

14 Savvio SAS Product Manual , Rev. D 2. When a requested logi cal block is reach ed that is not in any cache segment, the dri ve fetches i t and any remain ing requ ested logical block ad dresses from the disc and put s them in a segment of the cache . The driv e transfers the rem aining req uested logica l bloc ks from the cache to the host in ac[...]

Savvio SA S Product M anual, Rev. D 15 4.5.2 Pre fetch o perat ion If the Prefet ch feature is enabled , da ta in contiguous logical blo cks on the disc immed iately beyond that which was re quested by a Read command ar e retrieved and store d in the buff er for immedi ate transfer from the buf fer to the h ost on sub sequen t Read com mands tha t [...]

16 Savvio SAS Product Manual , Rev. D[...]

Savvio SA S Product M anual, 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 in this[...]

18 Savvio SAS Product Manual , 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 drive autom ati cally perf orms an error recover y process. If the er ror recovery process fails, a seek positionin g error (Error cod e = 15h or 0[...]

Savvio SA S Product M anual, Rev. D 19 5.2. 3 Hot plu gging th e dri ve When a disc is po wered on by switching the power or hot plugged, th e dri ve runs a self te st before attempting to com municate on it s’ interfaces. When the sel f test com pletes successfull y , the d rive in itiates a Link Reset star ting with O OB. An attached device sh [...]

20 Savvio SAS Product Manual , Rev. D Re po rti ng co ntr ol 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 mining ra[...]

Savvio SA S Product M anual, 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 indi c[...]

22 Savvio SAS Product Manual , 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 dri ve may be in process o f doi ng a form a[...]

Savvio SA S Product M anual, 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 dat a wi[...]

24 Savvio SAS Product Manual , 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 SA S Product M anual, 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 . V alues[...]

26 Savvio SAS Product Manual , Rev. 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 suppl y at nomina l volt age. N ( number of drives tested) = 6, 3 5 Degr ees C ambient . [2] For + 12 V , a –10% toleran ce is allowed during initial spindle st art but must retu rn to ±[...]

Savvio SA S Product M anual, 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 Power s equenc ing The dr ive does no [...]

28 Savvio SAS Product Manual , Rev. D Figure 2. T ypical ST973401SS drive +12V current profile Figure 3. T ypical ST973401SS drive +5V current profile[...]

Savvio SA S Product M anual, Rev. D 29 Figure 4. T ypical ST936701SS drive +12V current profile Figure 5. T ypical ST936701SS drive +5V current profile[...]

30 Savvio SAS Product Manual , Rev. D 6. 3 Po wer di ssipati on ST973401 SS in 3 Gbit oper ation T ypical power dissip ation under idle co nditions in 3Gb o peration i s 7.43 watt s (2 5.35 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 6 ). Lo cate the typic[...]

Savvio SA S Product M anual, Rev. D 31 ST936701 SS in 3 Gbit oper ation T ypical power dissip ation under idle co nditions in 3Gb o peration i s 7.49 watt s (2 5.56 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 6 ). Lo cate the typical I/O rate fo r a drive [...]

32 Savvio SAS Product Manual , Rev. D 6.4 Enviro nmental limi t 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 is 82 ?[...]

Savvio SA S Product M anual, Rev. D 33 6.4.3 Effecti ve altitu de (sea level) a. Operati ng –1,000 to +10,0 00 feet (–3 05 to +3,048 meter s) b. Non -operating –1,000 to +40,0 00 feet (–3 05 to +12,210 meters) 6.4.4 Shock a nd vibrat ion Shock and vibrati on limit s sp ecified in this d ocument ar e measur ed directl y on th e driv e chassi[...]

34 Savvio SAS Product Manual , 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). Drives pac[...]

Savvio SA S Product M anual, Rev. D 35 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 5-500 Hz @ 0.5 G (zero to peak) V ibrat ion may be a pplied in the X, Y , or Z axis. Operati ng nor mal[...]

36 Savvio SAS Product Manual , Rev. D 6.4.7 A cous tics Soun d power dur ing idle m ode shal l be 3.5 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 t be an[...]

Savvio SA S Product M anual, Rev. D 37 6. 5 M echa ni cal s peci fic ati ons The follow ing nominal dimensions ar e exclusive of the decorative fron t pa nel accessory . Howe ver , dime nsions of the fro nt p anel ar e shown i n figu re belo w . Refer to F igure 12 for deta i led mou nting conf i gura tion di me nsions. See Sectio n 8.3 , “Drive [...]

38 Savvio SAS Product Manual , Rev. D[...]

Savvio SA S Product M anual, Rev. D 39 7.0 Defect and error management The drive, as deli vered, com plies wit h this p rodu ct manual. The re ad e rror r ates and specified storage cap aci - ties are not de pendent upo n use of defect ma nagement r outines by the host ( initiator ). Defe ct and err or manag ement i n the S CSI proto col involves t[...]

40 Savvio SAS Product Manual , Rev. D When the RC bit is one , reallocations ar e disabled even if the ARRE or A W RE bit s 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 rite Retry Co unt, and Recovery T ime Lim it para meter s. However , the drive does no t rep ort any unr [...]

Savvio SA S Product M anual, 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 backplane with bays designed to acco modate the dr ive. In such systems, the ho[...]

42 Savvio SAS Product Manual , 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 provide hea[...]

Savvio SA S Product M anual, Rev. D 43 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 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 80 l b/[...]

44 Savvio SAS Product Manual , Rev. D[...]

Savvio SA S Product M anual, 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 feat ur es This section lists t he SAS- specific fea tures suppor ted b y[...]

46 Savvio SAS Product Manual , 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 rate s[...]

Savvio SA S Product M anual, Rev. D 47 9. 3 SC SI c omm and s su ppor te d T able 17 li sts th e SCSI co mmands sup ported by S avvio driv es. T able 17: Co mmand s supp orted by Sa vvio SAS famil y drive Com m a nd na m e Com mand code Supp or ted Change D efini tion 40h N Compare 39h N Copy 18h N Cop y and V erify 3Ah N Format Unit [1] 04h Y DPR [...]

48 Savvio SAS Product Manual , 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 ter pag e[...]

Savvio SA S Product M anual, 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 page (40h ) Y Release 17h Y Release (10) [...]

50 Savvio SAS Product Manual , Rev. D [1] Savvio d rives can format to any multi ple of four bytes per l ogical bl ock in the ra nge 512 to 528 b yt es. [2] Wa r n i n g . P ower lo ss dur ing fla sh progr amming can re sult in firmwar e corru ption. This usual ly makes the driv e inoperab le. [3] Refe rence Mod e Sense co mma nd 1Ah fo r mode p ag[...]

Savvio SA S Product M anual, Rev. D 51 9.3.1 Inquiry 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 year (changes with actual y ear). ** 02 = SCSI-2 im plemented with some SCSI-3 features (defa[...]

52 Savvio SAS Product Manual , Rev. D Select command before the drive a chieves operating spee d and is “r eady .” A n attem pt to d o so r esult s in a “Check Cond ition” st a tus. 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 sh[...]

Savvio SA S Product M anual, Rev. D 53 T able 19: M ode Sense dat a default and ch angeab le values fo r ST973401 SS drive s ST973401SS Byte s 00 01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 17 18 19 20 21 22 23 10 Byte Mode Sense Header 00 B6 00 10 00 00 00 08 08 8B B9 98 00 00 02 00 <----------------------------------- ------------- Mode se[...]

54 Savvio SAS Product Manual , Rev. D T able 20: M ode Sense dat a default and ch angeab le values fo r ST936701 SS drive s ST936701SS Byte s 00 01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 17 18 19 20 21 22 23 10 Byte Mode Sense Header 00 B6 00 10 00 00 00 08 08 8B B9 98 00 00 02 00 <----------------------------------- ------------- Mode sen[...]

Savvio SA S Product M anual, Rev. D 55 9. 4 M iscel la neou s oper ati ng fe atur es a nd c ondit io ns T able 21 lists va rious f eatures an d conditio ns. 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 able 21: Mis[...]

56 Savvio SAS Product Manual , Rev. D 9.4.1 SAS physical interf ace Figure 15 shows the lo cation of th e SAS devi ce conn ecto r J1. Figur es 16 an d 17 pr ovide the d im ension s 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 ate’[...]

Savvio SA S Product M anual, Rev. D 57 Figu re 16 . SAS de v i ce plug dimen 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) 2.00 (3X[...]

58 Savvio SAS Product Manual , Rev. D Figu re 17 . SAS de v i ce plug dimen sio ns ( de tail ) 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 [...]

Savvio SA S Product M anual, Rev. D 59 9.4.2 Physical charact er istic s This section define s physical int erface conne ctor . 9.4.3 Connector r equirem ent 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 n produc[...]

60 Savvio SAS Product Manual , Rev. D T a ble 23: SAS pi n descri ptio ns * - Shor t pin t o support h ot plug ging 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 18. The re ceiver is AC co u - pling to elimi nate groun d shif t n[...]

Savvio SA S Product M anual, Rev. D 61 9.4.7 P ower The dr ive re ceives powe r (+5 volt s and +12 volt s) throug h the SAS device co nnector . Three +12 volt pi ns provi de po wer to the drive, 2 sh ort a nd 1 long. The cur rent return fo r the +1 2 volt pow er supply is through the com mon ground pins. The supply current and return curr ent must [...]

62 Savvio SAS Product Manual , Rev. D T able 26 d efines t he genera l interfa ce character istics. 9.5.2.1 Eye mask s 9.5.2.1. 1 Eye m asks ov erview The e ye masks ar e graphical represent at ions of the volt a ge and tim e limits o n the signal at the compliance poi nt. The time values between X1 and (1 - X1) cover all but 10 -12 of th e jitte r[...]

Savvio SA S Product M anual, Rev. D 63 9.5.2.1. 3 Jitter toler ance masks Figure 20 describes the receive to lerance eye masks an d is const ructed using t he X2 an d Z2 values g iven in tabl e 29 . X1 OP is half the va lue for tot al jitter in tabl e 2 9 and X1 TOL is half the value for tot al jitter in t able 30 , for jitter frequenc ies above (([...]

64 Savvio SAS Product Manual , Rev. D Figure 21 de fines the sinusoi dal ji tter mask. Figure 21. Sinusoidal jitter mask F NO M / 25, 000 F NO M / 1, 6 67 S inu s oidal j i tt e r f r e qu e ncy ( l og/log plot ) P e a k -to- pe ak si n u so i d a l j i tter (i n U I) F NO M = 1.5 x 10 9 f or 1.5 G bps F NO M = 3.0 x 10 9 f or 3.0 G bps 1. 5 0 0. 1[...]

Savvio SA S Product M anual, Rev. D 65 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 level[...]

66 Savvio SAS Product Manual , Rev. D 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 22 a nd figu re 23 . 9.5.2.3. 1 Ji tter T able 29 d efines t he maxi mum allow able jitt er . T abl[...]

Savvio SA S Product M anual, Rev. D 67 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 with in a complia nt protoco l fra me is used for al l jitte r testing u nless o therwise specifie d. See the SAS Inte rface Manua[...]

68 Savvio SAS Product Manual , Rev. D 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 and optical fibers. This subcla[...]

Savvio SA S Product M anual, Rev. D 69 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 tr ansm[...]

70 Savvio SAS Product Manual , Rev. D Figure 22 show s the compli ance inter connect test l oad. Figure 22. Compliance interconnect test l oad Figure 23 sho ws the zero- length test l oad. Figu re 23 . Zer o- l ength test lo ad Figure 24 show s an ISI loss example at 3. 0 Gbp s. Figure 24. ISI loss example at 3.0 Gbp s Tx+ Tx- 10 nF 50 ohm 50 ohm P[...]

Savvio SA S Product M anual, Rev. D 71 Figure 25 show s an ISI loss example at 1. 5 Gbp s. Figure 25. 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 iver ope[...]

72 Savvio SAS Product Manual , Rev. D[...]

Savvio SA S Product M anual, Rev. D 73 10.0 Seagat e 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 a te.com . Worl dwide sup port is 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 Supp or t: DiscSuppo rt@Sea[...]

74 Savvio SAS Product Manual , Rev. D Custo mer Se rvice Op eration s 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 ers or [...]

Savvio SA S Product M anual, Rev. D 75 Index Numerics 12 volt pin s 61 5 volt pins 61 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 36 active LE D Out sign al 61 actuator 9 assembly design 7 adaptiv e caching 5 5 air cl eanliness 35 air fl ow 32 , [...]

76 Savvio SAS Product Manual , Rev. D envi ronmenta l control 35 error manage ment 39 rat es 17 F FCC rules and r egulatio ns 3 feature s 8 interface 45 firmware 8 corrup tion 50 flawe d sector re allocation 8 Form at command executio n time 12 front p anel 37 function complete , code 00 45 not supp orted , code 05 4 5 reject, co de 04 45 G Good st[...]

Savvio SA S Product M anual, Rev. D 77 MTB F 17 , 18 , 32 N noi se audi ble 3 noi se immunity 27 non-op erat ing 32 , 33 , 3 5 temper ature 32 non-op erat ing vibrati on 35 O offi ce environme nt 35 operat ing 32 , 33 , 35 operat ing envir onment 18 option sel ection 59 options 10 orientat ion 33 out-of- plane distortion 43 P package size 34 packag[...]

78 Savvio SAS Product Manual , Rev. D start/stop time 13 support services 73 surface s tiffness allowa ble for non- flat su rface 43 switches 41 synchron ized spindle operat ion 55 system cha ssis 43 T task man agement fun ctions 4 5 Abort task se t 45 Clear ACA 45 Clear task se t 45 termina te task 45 task man agement r esponse codes 45 Function c[...]

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