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Seagate ST3750840ACE - page 1
Prod uct Ma nu al DB35.3 Series P A T A 10042 7568 Rev . B Aug ust 2007 ST37 50 840A CE ST35 00 830A CE ST34 00 820A CE ST33 20 820A CE ST33 00 820A CE ST32 50 820A CE ...
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Seagate ST3750840ACE - page 2
Copyri ght © 200 5-20 07 Seagate T echnology LLC . All right s r eserved. Printe d in U.S .A. Pub lication nu mber: 100 42756 8, Rev . B Aug ust 2007 Sea gate, Sea gate T echnolog y and the W ave logo are registe red trade marks of S eagate T echnology LLC in the United S tates a nd/or oth er countr ies. DB 35 Se ries, Sea T ools and S eaTDD ar e ...
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Seagate ST3750840ACE - page 3
DB35.3 Series P ATA Product Manu al, Rev. B i Conte nts 1.0 Introd uction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 2.0 Drive s pecificat ions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...
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Seagate ST3750840ACE - page 4
ii DB35. 3 Series P ATA Produ ct Man ual, Rev. B ...
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Seagate ST3750840ACE - page 5
DB35.3 Series P ATA Product Manu al, Rev. B iii List o f Fi gures Figure 1. Typical 5V star tup a nd operatio n current profile . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12 Figure 2. Typical 12V startup and opera tion cur rent pro file . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 2 Figure 3. Brea ...
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Seagate ST3750840ACE - page 6
iv DB35. 3 Series P ATA Produ ct Man ual, Rev. B ...
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Seagate ST3750840ACE - page 7
DB35.3 Series P ATA Product Manu al, Rev. B 1 1.0 I ntroducti on This man ual descr ibes the functi onal, mechan ical and inte rface speci fications fo r the foll owing Seagat e ® DB35.3 Series P A T A mod el drive s: These d rives provide the fo llowing key fe atures: • 7,200- RPM spindl e speed. • High inst antaneo us (burst) dat a transfe r ...
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Seagate ST3750840ACE - page 8
2 DB35. 3 Series P ATA Produ ct Man ual, Rev. B ...
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Seagate ST3750840ACE - page 9
DB35.3 Series P ATA Product Manu al, Rev. B 3 2.0 Drive specificati ons Unles s otherwi se noted, all specific ations are m eas ured 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 fo llo win g dr iv e mod els : 2. 1 Specif ica t ...
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Seagate ST3750840ACE - page 10
4 DB35. 3 Series P ATA Produ ct Man ual, Rev. B T able 1: Dri ve spe cif icat ion s su m m a ry for 75 0, 50 0, an d 40 0 Gby te m o d els Drive sp ecifi catio n ST3 7508 40ACE ST35 00830A CE ST3 400820A CE Fo rm at ted Gb y t es ( 5 12 b yt e s /se ct or )* 750 500 400 Guarantee d secto rs 1,465, 149,1 68 976,773 ,168 781,42 2,768 Bytes per sector ...
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Seagate ST3750840ACE - page 11
DB35.3 Series P ATA Product Manu al, Rev. B 5 * One Gbyte equals one billion byt es when ref erri ng to hard dr ive capa city . A ccessible capacity m ay va ry de pendin g on operating en viro nmen t and formatting. **During peri od s of dri ve idl e, some off lin e acti vity may occu r acc or ding to th e S. M.A .R.T. s pe cifica ti on, whic h ma ...
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Seagate ST3750840ACE - page 12
6 DB35. 3 Series P ATA Produ ct Man ual, Rev. B T able 2: D ri ve spe cif icat ion s su mma ry fo r 320, 30 0, and 2 50 Gb yte models Drive sp ecifi cation S T3320 820ACE ST330 0820ACE ST325082 0A CE Formatte d Gbyte s (51 2 bytes/ sec tor)* 320 300 250 Guarantee d secto rs 625,142,4 48 586,072,3 68 488,397 ,168 Bytes per sect or 512 Default sector ...
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Seagate ST3750840ACE - page 13
DB35.3 Series P ATA Product Manu al, Rev. B 7 * One Gbyte equals one billion byt es when ref erri ng to hard dr ive capa city . A ccessible capacity m ay va ry de pendin g on operating en viro nmen t and formatting. **During peri od s of dri ve idl e, some off lin e acti vity may occu r acc or ding to th e S. M.A .R.T. s pe cifica ti on, whic h ma ...
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Seagate ST3750840ACE - page 14
8 DB35. 3 Series P ATA Produ ct Man ual, Rev. B 2.2 Fo rm a tte d ca pacity *One Gb yte equals one b illion bytes whe n referr ing to ha rd drive capacity. Accessible capacit y m ay vary d epend ing on o pera ting env iron- ment and forma tting. 2.2.1 LBA mode When addre ssing these drive s in LBA mode, all blo cks (sectors) ar e consecutivel y num ...
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Seagate ST3750840ACE - page 15
DB35.3 Series P ATA Product Manu al, Rev. B 9 2. 4 R e c ord in g an d i nt er f ac e tech no lo gy 2.5 Ph y sic al ch a ra cteri sti cs 750GB 500GB 400GB 320GB 300GB 250GB Int erfa c e A T A Recording method Perpendi cular Recording density , KBPI (kbits/inch max) 926 813 781 813 T rack dens ity , KTPI (ktracks/inch av g) 145 Areal density (Gbits/ ...
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Seagate ST3750840ACE - page 16
10 DB35. 3 Series P ATA Produ ct Man ual, Rev. B 2.6 S ee 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 as foll ows: • T rack-to-track seek time is a n average o f all possib le single- ...
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Seagate ST3750840ACE - page 17
DB35.3 Series P ATA Product Manu al, Rev. B 11 Idl e mode power is measur ed with the drive up to speed, with servo electron ics active and with the heads in a ran dom t rack location. • S t andby mod e Duri ng Standby mod e, the drive accept s com mands, but the drive is not spinn ing, and the servo and read/ wri te electroni cs are in p ower-do ...
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Seagate ST3750840ACE - page 18
12 DB35. 3 Series P ATA Produ ct Man ual, Rev. B 2.8.1.1 T ypica l cu rrent pr ofile Figure 1 T ypical 5V st artup and operat ion current profile Figure 2 T ypical 12V st artup and operat ion current profile 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 + ...
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Seagate ST3750840ACE - page 19
DB35.3 Series P ATA Product Manu al, Rev. B 13 2.8.3 V olt age toler ance V olt age toleran ce (incl uding no ise): 5V ± 5% 12V ± 10% 2.8.4 Powe r- manag eme nt modes The drive provid es programm able pow er man agem ent to p rovide gre ater ene rgy ef ficiency . I n most syst ems, you can contro l power ma nagement t hrough th e system setup pro ...
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Seagate ST3750840ACE - page 20
14 DB35. 3 Series P ATA Produ ct Man ual, Rev. B 2.9 Envi ron men t al sp ecif ica tio ns 2.9.1 Ambie nt tem perature Amb ient temp eratu re is d efined as the te mperatur e of t he environmen t im mediatel y surro unding the d rive. Actual drive case temper ature sho uld no t exceed 75°C (167°F) within the operati ng amb ient co nditions. R ec- ...
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Seagate ST3750840ACE - page 21
DB35.3 Series P ATA Product Manu al, Rev. B 15 2.9.5 S hock All shock specifi cations assume that the dri ve is mounted secure ly with the input shock applied at the drive mounting screws. Shock may be app lied in th e X, Y or Z axis. 2.9.5.1 Oper ating s hock These drives comply with the per form ance levels specified i n this docume nt when sub j ...
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Seagate ST3750840ACE - page 22
16 DB35. 3 Series P ATA Produ ct Man ual, Rev. B 2. 10 Aco us ti cs Drive acoustics are measu red as over all A-wei ghted ac ou stic sound power l evels (n o pure ton es). All me a- sureme nts are consi stent with ISO document 7779. S ound power measur ements are taken und er e ssentially free- field cond itions ove r a reflecting plane. For all te ...
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Seagate ST3750840ACE - page 23
DB35.3 Series P ATA Product Manu al, Rev. B 17 2.1 1 Elec tro mag ne ti c i mmu ni ty When pr operly inst alled in a re present ative host syst em, the drive operates without 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: T a ble 5: Radio fre qu ency envi ro nm ...
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Seagate ST3750840ACE - page 24
18 DB35. 3 Series P ATA Produ ct Man ual, Rev. B 2.13.2 Elect roma gnetic com p atib ilit y Hard dri ve s that displ ay th e CE m ark compl y wi th the Euro pean U n ion (E U) re quirem ent s speci fie d in the E lec- troma gnetic Compat ibil ity Dire ctive (89/3 36/EEC) . T esting is p erformed to th e le vels sp ecified by the product stand ards ...
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Seagate ST3750840ACE - page 25
DB35.3 Series P ATA Product Manu al, Rev. B 19 • Move the device t o one side or the o ther of the radio or T V . • Move the device f arther aw ay from the radi o or TV . • Plug th e computer into a differe nt ou tlet so that the receive r and com puter are on dif ferent branch outl ets. If necessary , you should consult your deal er or an ex ...
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Seagate ST3750840ACE - page 26
20 DB35. 3 Series P ATA Produ ct Man ual, Rev. B ...
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Seagate ST3750840ACE - page 27
DB35.3 Series P ATA Product Manu al, Rev. B 21 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 l in g and st ati c disc harg e pr e cau tio ns Af ter unpa cking, and before instal lation, the dr ive may be expo sed to potential hand ling ...
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Seagate ST3750840ACE - page 28
22 DB35. 3 Series P ATA Produ ct Man ual, Rev. B 3.2 B re athe r f i lter ho le pr ec aut ion s This secti on cont ain s informati on reg arding the pre cautions which sho uld be t aken regarding the b reather filter hole i n Seag ate hard d isc drives. Proper precautions should be taken to en sure full functional ity and pre vent possibl e damage ...
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Seagate ST3750840ACE - page 29
DB35.3 Series P ATA Product Manu al, Rev. B 23 3.3 Jump er set ti ngs 3.3.1 Maste r/slave c onfigu ration The options jumper block sh own in Figu re 4 is used to confi gure the drive fo r o perati on. It is the 8 -pin dual header between th e interfa ce connector and the power con nector . Use the followi ng settings to configur e the drive as a ma ...
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Seagate ST3750840ACE - page 30
24 DB35. 3 Series P ATA Produ ct Man ual, Rev. B 3.3.3 Ultra A T A/1 00 cable An 80- conductor 40- pin cable is requ ired to ru n Ultra DMA mode 3, mode 4, and mode 5. This cable uses even-nu mbered co nductors con nected to the grou nd pin s to improve signal inte grity . Figure 5 Ultra A T A cab le connectors Note. The drive suppor ts bo th host ...
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Seagate ST3750840ACE - page 31
DB35.3 Series P ATA Product Manu al, Rev. B 25 Figu re 6 Mo un ting dim e n sio ns — t o p, sid e an d e nd vie w Notes: 1. Dimensions are shown in inches (mm). 2 Dimensions per SFF-8301 specification. 3 x 6-32 UNC-2B 0.150 (3.81) max. fastener penetration both sides. 3 threads minimum engagement. R ecommended c ase temperature m easurement locat ...
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Seagate ST3750840ACE - page 32
26 DB35. 3 Series P ATA Produ ct Man ual, Rev. B ...
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Seagate ST3750840ACE - page 33
DB35.3 Series P ATA Product Manu al, Rev. B 27 4.0 A T A interface These drive s use the industry-st andard A T A task file in terf ace that support s 16- bit dat a tr ansfers. It support s A T A programm ed inp ut/output ( PIO) mo des 0–4; mult iword D MA modes 0– 2, an d Ultra DM A modes 0 –5. The driv e also suppor ts the use of th e IORDY ...
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Seagate ST3750840ACE - page 34
28 DB35. 3 Series P ATA Produ ct Man ual, Rev. B 4.1.1 Sup port ed A T A com mands The follow ing tab le list s A T A-st andar d commands th at the drive suppo rt s. For a det ailed de scription of the A T A comman ds, refer to the Draf t A T A-7 S ta ndar d. See “S.M.A .R.T . commands” on page 34 for details and sub- comman ds used in the S.M. ...
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Seagate ST3750840ACE - page 35
DB35.3 Series P ATA Product Manu al, Rev. B 29 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 o ck 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 ST3750840ACE - page 36
30 DB35. 3 Series P ATA Produ ct Man ual, Rev. B 4.1.2 Ident ify D evice com mand The Id entify De vice command (command code EC H ) transfer s information abou t the drive to the host foll owing pow er up. The dat a is organize d as a single 512-byt e block of dat a, whose content s are shown in the T able 6 on page 28. All reserved bits o r words ...
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Seagate ST3750840ACE - page 37
DB35.3 Series P ATA Product Manu al, Rev. B 31 60–61 T otal number of user-addressable LBA sectors 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 the actual number ...
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Seagate ST3750840ACE - page 38
32 DB35. 3 Series P ATA Produ ct Man ual, Rev. B Note. Advanced Power Management (APM) and Automatic Acoustic M anagement (AAM) features are not supported Note. See the bit descriptions below for w ords 63, 88, and 93 of t he Identify Drive data: 160–254 A T A-reserved 0000 H 255 Int e gri t y wor d xxA 5 H Description (if bit is set to 1) Bit Wo ...
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Seagate ST3750840ACE - page 39
DB35.3 Series P ATA Product Manu al, Rev. B 33 4.1.3 Set Feat ures c omman d This com man d con trol s t he im pleme nt ation of var i ous 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 , checks the cont ents of t he Featur es register , clea rs BSY and gene rates an inter- rupt. If the value i n th ...
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Seagate ST3750840ACE - page 40
34 DB35. 3 Series P ATA Produ ct Man ual, Rev. B 4.1.4 S.M.A. R.T . commands S.M. A.R.T . provides near- term fail ure pred iction for disc drives. Whe n S.M.A .R.T . is enab led, the dri ve moni- 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 likely , ...
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Seagate ST3750840ACE - page 41
DB35.3 Series P ATA Product Manu al, Rev. B 35 5.0 Seagat e T echnolo gy support ser vice s Inter net For info rma tion regardin g Seagate pr oducts and services, vi sit www .sea gate.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 Su pp ort: DiscSuppo r ...
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Seagate ST3750840ACE - page 42
36 DB35. 3 Series P ATA Produ ct Man ual, Rev. B Custo mer Se rvice O pera tio ns W arranty S ervic e 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. R ...
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Seagate ST3750840ACE - page 43
DB35.3 Series P ATA Product Manu al, Rev. B 37 Index A acoustics 1 6 Active m ode 13 agency cer tification (re gulatory) 17 altitude 14 ambient condi tion s 3 ambient temp eratu re 10 , 14 areal de nsity 9 ATA int erfac e 27 ATA-st andard com mands 28 Australian C-Tick 18 autodet ection 1 average seek time 10 B BPI 9 breath er filter hole precautio ...
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Seagate ST3750840ACE - page 44
38 DB35. 3 Series P ATA Produ ct Man ual, Rev. B Idle mod e power 10 IEC950 17 Inform ation Techn ology E quipment 18 Init ialize D evice Para mete rs 28 interface 9 , 27 interface signals 27 interfer ence 18 internal d ata-trans fer r ate OD 9 ISO do cument 777 9 16 J jumper settings 23 K Kore an RRL 18 L LBA m o de 8 length 9 log ical geom etry 8 ...
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Seagate ST3750840ACE - page 45
DB35.3 Series P ATA Product Manu al, Rev. B 39 safety certification 17 screws 2 4 SeaT ools 1 , 34 sectors 8 Securi ty Disable Passwor d 28 Securi ty Erase Pre pare 28 Securit y Era s e Uni t 29 Securi ty Freeze 29 Secu rity Se t Pas swo rd 29 Security Unlock 29 Seek 29 se ek m o de 10 seek time 10 servo ele ctronics 11 Set Featu res 29 Set Featu r ...
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Seagate ST3750840ACE - page 46
40 DB35. 3 Series P ATA Produ ct Man ual, Rev. B ...
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Seagate ST3750840ACE - page 47
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Seagate ST3750840ACE - page 48
Seaga te T e chnology LL C 920 D isc Drive, Sco tts Va lley , Californi a 950 66-4544, US A Public ation Number : 100 427568, Rev . B, Printe d in U.S.A . ...
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