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Seagate ST3250823SCE - page 1
Prod uct Ma nu al DB35 Serial A T A 10036 2348 Rev . E Aug ust 2007 ST34 00 832S CE ST33 00 831S CE ST32 50 823S CE ST32 00 826S CE ...
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Seagate ST3250823SCE - page 2
Copyri ght © 200 5-20 07 Seagate T echnology L LC. A ll right s reserve d. Printe d in U.S.A . Pub lication nu mber: 100 36234 8, Rev . E Aug ust 2007 Sea gate, Sea gate T echnolog y and th e W ave logo are registered t rademarks of Seagat e T echnology LL C in the United S tates a nd/or oth er countr ies. DB 35 Se ries, Sea T ools and SeaT DD are ...
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Seagate ST3250823SCE - page 3
DB35 S erial ATA Product Manual, Rev. E i Conte nts 1.0 In troduct ion . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 1.1 A bout the S erial ATA interf ace . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 2.0 Dr ive ...
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Seagate ST3250823SCE - page 4
ii DB35 Seri al ATA P roduct Man ual, Rev. E ...
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Seagate ST3250823SCE - page 5
DB35 S erial ATA Product Manual, Rev. E iii List o f Fi gures Figure 1. Typical 5V star tup a nd operatio n current profile . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 Figure 2. Typical 12 V startup and opera tion cur rent pro file . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 Figure 3. Breath ...
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Seagate ST3250823SCE - page 6
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Seagate ST3250823SCE - page 7
DB35 S erial ATA Product Manual, Rev. E 1 1.0 I ntroducti on This ma nual de scribes t he functional , mechan ical and interfa ce specif ications fo r the foll owing Seag ate DB35 S erial A T A (SA T A) mod el drives: DB35 Serial A T A • ST3 400832S CE • ST3 300831S CE • ST3 250823S CE • ST3 200826S CE These d rives provide the fo llowing k ...
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Seagate ST3250823SCE - page 8
2 DB35 Seri al ATA P roduct Man ual, Rev. E 1.1 Abo ut th e Seria l A T A i nterf ace The Serial A T A i nterface provides several advant ages ov er the trad itional (p ara llel) A T A int erface. The prim ary advant age s include: • Easy in stalla tion and con figura tion with true plug- and-pl ay connectivity . It is not necessa ry to set a ny ...
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Seagate ST3250823SCE - page 9
DB35 S erial ATA Product Manual, Rev. E 3 2.0 Drive specificati ons Unles s otherwi se noted, all specific ations are m easur ed u nder amb ient con ditions, a t 25°C, a nd nominal pow er . For conveni ence, the phra ses the drive and this drive are used througho ut this man ual to indica te the ST340083 2SCE, S T33008 31SCE, ST 3250823S CE and ST ...
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Seagate ST3250823SCE - page 10
4 DB35 Seri al ATA P roduct Man ual, Rev. E Power-on to r eady (typical) 17.0 sec S t andby to ready (t ypical) 16.0 sec T ra ck-to-t ra ck see k ti m e ( ms ec ty p i ca l ) 0.8 (read), 1. 0 (write) Av erage seek (msec typical) 18 (read), 20 (write) S t artup current (typical) 12V (peak) 2.0 amps Seek power ( typical) 8.6 watts Operating (Cons ume ...
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Seagate ST3250823SCE - page 11
DB35 S erial ATA Product Manual, Rev. E 5 *One Gb yte equals one billion b ytes when refer r ing to h ard drive capa city. Accessibl e capacity may vary depending on oper ating enviro nment and formatting. * *Dur i ng per iods of dri ve idl e, some offl ine act ivity ma y occur ac cor ding to the S.M.A.R.T . specif icati on , whi ch may i ncrea se ...
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Seagate ST3250823SCE - page 12
6 DB35 Seri al ATA P roduct Man ual, Rev. E 2. 4 R e c ord in g an d int er f ac e te ch no l o gy 2.5 Phy sical ch ara cteri sti cs 2.6 See k ti m e Seek mea surem ent s a re t ake n w ith nom inal po wer a t 25 °C amb ient t empe ratur e. All tim es a re m easu red using drive di agnostics. T he speci fications in the tab le below a re defi ned ...
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Seagate ST3250823SCE - page 13
DB35 S erial ATA Product Manual, Rev. E 7 2.7 S t art/ stop time s 2. 8 Pow er sp e cif icati on s The driv e receives DC power (+5V and +12V) thro ugh a native SA T A power connect or . See Figure 5 on page 19 . 2. 8.1 Power c ons umpt ion Power requir emen ts fo r the driv e s are lis ted in the t able on pa ge 9. T ypical powe r measu rem ent s ...
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Seagate ST3250823SCE - page 14
8 DB35 Seri al ATA P roduct Man ual, Rev. E 2.8.1.1 T ypica l cu rrent pr ofiles Figure 1. T ypical 5V st artup and operation current profile Figure 2. T ypical 12V st artup and operation current profile T able 2: DC p ower r equire ment s Power dissip ation (t ypical) Aver age (watts, 25° C) 5V typ am ps 12V typ amp s S pinup — — 2.0 (peak) I ...
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Seagate ST3250823SCE - page 15
DB35 S erial ATA Product Manual, Rev. E 9 2.8.2 Cond ucted nois e Input noise r ipple is measured at th e host system power sup ply across an equivalen t 80-ohm resistive load on the + 12 volt lin e or an eq uivalent 1 5-ohm r esistive load on the +5 vol t line . • Using 12-volt powe r , the drive is expect ed to oper at e with a maxi m um of 120 ...
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Seagate ST3250823SCE - page 16
10 DB35 Seri al ATA P roduct Man ual, Rev. E drive acti vity is requir ed, the drive make s a transition to S ta ndby mode. In bo th Idle and S tan dby mode, the drive acce pt s all commands and r eturns to Active m ode wh en disc access i s necessary . 2.9 Envi r on m en t al sp ec if i ca t ions 2.9.1 Ambie nt tem peratu re Amb ient temp eratu re ...
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Seagate ST3250823SCE - page 17
DB35 S erial ATA Product Manual, Rev. E 11 2.9.5.2 Nono peratin g sho ck The non operating shock l evel that the dri ve can experie nce without i ncurring physical dama ge or degrad ation in perfor mance wh en subse quent ly p ut into ope ration is 30 0 Gs based o n a nonrepeti tive half-si ne shock pulse of 2 mse c dur ation. 2.9.6 V ibration All ...
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Seagate ST3250823SCE - page 18
12 DB35 Seri al ATA P roduct Man ual, Rev. E 2.1 1 Elec tro magne ti c i mmuni ty When pr operly inst alled in a re present ative host syst em, the drive operates wit hout errors or degr adation in perfor manc e when subj ected to the radi o frequency (RF) envi ronmen ts defi ned in the followi ng tab le: 2.12 Reli abilit y T a ble 4: Radi o fre qu ...
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Seagate ST3250823SCE - page 19
DB35 S erial ATA Product Manual, Rev. E 13 2.1 3 Agen cy cert ifi cat ion 2.13.1 Safe ty certific atio n The drives ar e recog nized in accord ance with UL 1950 and CSA C22.2 (950) and meet all app licable sections of IEC9 50 and E N 60950 as tested by T UV North A merica. 2.13.2 Elect roma gnetic com p atib ilit y Hard dri ve s that di splay th e ...
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Seagate ST3250823SCE - page 20
14 DB35 Seri al ATA P roduct Man ual, Rev. E Austr alian C-T ick (N 176) If the se m odels have the C-T ick marking, th ey co mply with t he Aus tralia/New Zeal and S tanda rd A S/NZS3548 1995 and meet the Electromagne tic Comp atibility (EM C) Framewor k requirement s of the Austr alian Comm uni - cation Author ity (ACA). 2.13.3 FCC ver ificatio n ...
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Seagate ST3250823SCE - page 21
DB35 S erial ATA Product Manual, Rev. E 15 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 r egulations which restrict che mical content in elec tronic pro duct s. These systems include standa rd operat-ing procedures that ensure that restricted su bstances are n ot utilized in ...
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Seagate ST3250823SCE - page 22
16 DB35 Seri al ATA P roduct Man ual, Rev. E ...
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Seagate ST3250823SCE - page 23
DB35 S erial ATA Product Manual, Rev. E 17 3.0 Conf igur ing an d mountin g the dri ve This secti on cont ains t he specifica tions an d instructions f or con figuring and moun ting the dri ve. 3.1 Hand lin g and st ati c-di sc ha rg e pre cau t ions Af ter unpa cking, and before instal lation, the dr ive may be expo sed to potential handling and e ...
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Seagate ST3250823SCE - page 24
18 DB35 Seri al ATA P roduct Man ual, Rev. E 3.2 Bre athe r f i lter ho le pr ec aut ion s This secti on cont ain s inform ation reg ardin g the pre caution s to take with the breat her fi lter hole i n Seagate ha rd disc drive s. T ake the proper precau tions to ensure ful l functionality and to pre vent possible dam age to the driv e. Figure 3. B ...
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Seagate ST3250823SCE - page 25
DB35 S erial ATA Product Manual, Rev. E 19 3. 4 Se r i al A T A ca bl es and con ne ct ors The Seri al A T A interface cabl e consists of four conducto rs in two d ifferen tial p airs, plu s three ground conn ec - tions. The cab le size may be 30 to 26 A WG with a maximum len gth of one meter (3 9.37 inch es). See T able 5 for conn ector pi n defin ...
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Seagate ST3250823SCE - page 26
20 DB35 Seri al ATA P roduct Man ual, Rev. E 3. 5 Dri ve m oun ti ng Y ou can mou nt th e drive in a ny or ientation using fo ur screw s in the sid e-mo unting hol es or f our screw s in the bottom- mounti ng holes. See Figur e 6 on page 20 for d rive mounting d imensio ns. Fol low these impo rt ant mounting pre cautions when mounti ng the d rive: ...
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Seagate ST3250823SCE - page 27
DB35 S erial ATA Product Manual, Rev. E 21 4.0 Ser ia l A T A (SA T A) inte rf ace These drive s use the industry-st an dard Serial A T A inte rfac e that su pports FI S dat a tran sfers. It s upports A T A progr ammed inpu t/outp ut (PIO) mod es 0–4 ; multiwor d DMA m odes 0–2, an d Ultra DMA mode s 0–6. For detai led i nformation about th e ...
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Seagate ST3250823SCE - page 28
22 DB35 Seri al ATA P roduct Man ual, Rev. E 4. 2 Ser ial A T A devi ce pl ug c onne c tor p in def ini ti ons Table 5 summari zes the si gnals on th e Seri al ATA inte rface and power co nnectors. . Notes: 1. All pi ns are in a single r ow , with a 1 .27 mm (0 .050”) pitch . 2. The co mment s on th e mating seq uence apply to the ca se of backpl ...
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Seagate ST3250823SCE - page 29
DB35 S erial ATA Product Manual, Rev. E 23 4.3 Supp ort ed A T A c omm ands The foll owing tab le list s Serial A T A stand ard comma nds that the dri ve support s. F or a deta iled descrip tion of the A T A command s, refer to the Serial A T A: High S pe ed Serializ ed A T Attachme nt specificati on . See “S.M.A .R.T . commands” on page 29 . f ...
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Seagate ST3250823SCE - page 30
24 DB35 Seri al ATA P roduct Man ual, Rev. E Security Era se Unit F4 H Sec ur ity F re ez e F5 H Security Set P assword F1 H Secu r i t y Unl ock F2 H Seek 70 H Set Features EF H Set Max Address F9 H Note: Individual Set M ax Address commands are identified by the value placed in the Set Max Features regis - ter as def ined to the right . Address: ...
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Seagate ST3250823SCE - page 31
DB35 S erial ATA Product Manual, Rev. E 25 4.3.1 Ident ify Device com mand The Id entify De vice command (command code EC H ) transfer s information abou t the drive to the host foll owing power up . The d ata is organized as a single 512 -byte bl ock of data, whose cont ents are shown in T a bl e 6 on page 23 . All re served bi ts or w ords shou l ...
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Seagate ST3250823SCE - page 32
26 DB35 Seri al ATA P roduct Man ual, Rev. E 60–61 T otal number of user-addressable LBA s ectors available (see Section 2.2 for relat ed information) *Note: T he maximum value allow ed in this f ield is: 0F FFFFFFh (268,435,455 sectors, 137 Gbytes). Drives w ith capacities over 137 Gbytes will have 0FFFFFFFh in t his field and t he actual number ...
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Seagate ST3250823SCE - page 33
DB35 S erial ATA Product Manual, Rev. E 27 Note. Advanced Power Management (APM) and Automatic Acoustic Management (AAM) features are not supported Note. See the bit descriptions below for w ords 63, 88, and 93 of the Identify Drive data. 129–159 Seagate-reserved xx xx H 160–254 A T A-reserved 0000 H 255 Integrity w ord xxA 5 H Description (if ...
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Seagate ST3250823SCE - page 34
28 DB35 Seri al ATA P roduct Man ual, Rev. E 4.3.2 Set Feat ur es comman d This com man d con trol s t he im pleme nt ation of var ious f eatur es th at th e dr ive sup port s . When th e dr iv e r eceives this command, it se ts BSY , che cks the content s of the F eatures reg ister , clears BSY and gene rates an inter - rupt. If the value i n the ...
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Seagate ST3250823SCE - page 35
DB35 S erial ATA Product Manual, Rev. E 29 4.3.3 S.M.A. R.T . co mmands S.M.A.R .T . provides near- term failure pred iction for disc drives. W hen S. M.A.R.T . is enab led, the drive m oni - tors pr edet ermined d rive at tribut es that ar e suscepti ble to deg rada tion over tim e. If self-monitor ing d etermines that a fai lure is l ikely , S.M. ...
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Seagate ST3250823SCE - page 36
30 DB35 Seri al ATA P roduct Man ual, Rev. E ...
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Seagate ST3250823SCE - page 37
DB35 S erial ATA Product Manual, Rev. E 31 5.0 Seagat e T echnology 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 rt@Se ...
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Seagate ST3250823SCE - page 38
32 DB35 Seri al ATA P roduct Man ual, Rev. E Custo mer S ervi ce O pera tions 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 ...
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Seagate ST3250823SCE - page 39
DB35 S erial ATA Product Manual, Rev. E 33 Index A ACA 14 accelerat ion 11 acoustics 4 , 11 Activ e 9 Active m ode 9 actuator arm 7 AFR 12 Agency certification 13 altitude 1 0 Altitude , nono perating 4 Altitude , operati ng 4 Ambie nt temper ature 4 , 1 0 ambient temp eratu re 6 , 7 Annu alized F ailure Rate (AF R) 4 , 12 Area l density 3 , 6 ATA ...
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Seagate ST3250823SCE - page 40
34 DB35 Seri al ATA P roduct Man ual, Rev. E Form atted capacity 5 Form atted Gbytes 3 G Gbytes 5 geomet ry 5 gradien t 4 Gs 11 Guaran teed se ctors 3 , 5 guaran teed sectors 5 H Handl ing precautio ns 17 heads 3 , 5 Height 3 humi dity 4 , 10 I I/O data- transfer r ate 3 , 6 Identify Device 23 Identify Device command 2 5 Idle 8 , 9 , 23 Idle Imm ed ...
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Seagate ST3250823SCE - page 41
DB35 S erial ATA Product Manual, Rev. E 35 Read Nati ve Max Addr ess Extende d 23 Read S ectors 23 Read S ectors Exte nded 23 Read Sectors Without Retries 23 Read Verify S ectors 23 Read V erify Secto rs Extended 23 Read V erify Secto rs Without Retries 23 read/wr ite actu ator arm 7 Rea d/write heads 5 Ready to sp indle stop 7 Recalibrate 23 Recor ...
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Seagate ST3250823SCE - page 42
36 DB35 Seri al ATA P roduct Man ual, Rev. E Vibra tion, no noperati ng 4 Vibra tion, op eratin g 4 voltage 7 Voltag e dips, in terrupts 12 Voltag e tolerance 4 , 9 W Weight 3 Wet bulb temper ature 4 wet bulb temper atur e 10 Width 3 Write Buffer 24 Write DMA 24 Write DMA Ex tended 24 Write DMA FU A Ex tended 24 Write DMA Without Retries 24 Write L ...
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Seagate ST3250823SCE - page 43
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Seagate ST3250823SCE - page 44
Seag ate T echnolog y LLC 920 D isc Drive , Scot ts V alley, Califo rnia 95 066-4544 , USA Public ation N umber: 1 00362348, R ev . E, Printed i n USA ...
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