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Seagate ST940814AM - page 1
Prod uct Ma nu al EE25 S eri es 10038 4290 Rev . E Aug ust 2007 ST94 08 13AM ST94 08 14AM ST93 08 13AM ST93 08 14AM ST92 08 13AM ST92 08 14AM ...
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Seagate ST940814AM - page 2
©2007, Seagate T echnology LLC All righ ts reserved. Pub lication nu mber: 100 38429 0, Rev . E 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 the U nited S tate s and/o r other co untrie s. EE25 S e ries, Sea T ools and SeaT DD are e ither trademar ks or register ed tra ...
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Seagate ST940814AM - page 3
EE25 S eries Pr oduct Manu al, Rev. E i Conte nts 1.0 In troduct ion . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 2.0 Dr ive speci fications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...
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Seagate ST940814AM - page 4
ii EE25 Ser ies Product Man ual, Rev. E ...
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EE25 S eries Pr oduct Manu al, Rev. E iii List o f Fi gures Figure 1. Typical 5V star tup a nd operatio n current profile . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12 Figure 2. Temperatu re vs. altitude capability . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15 Figure 3. Jumpe ...
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Seagate ST940814AM - page 6
iv EE25 Ser ies Product Man ual, Rev. E ...
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EE25 S eries Pr oduct Manu al, Rev. E 1 1.0 I ntroducti on This ma nual d escribe s the function al, me chanical and interfa ce spe cificati ons for th e following Seagat e ® EE 25 Serie s drives: These d rives provide the fo llowing key fe atures: • Extreme operating environment capabilities: • 5,400-R PM sp indle spe ed and 8- Mbyte buffer c ...
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Seagate ST940814AM - page 8
2 EE25 Ser ies Product Man ual, Rev. E ...
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Seagate ST940814AM - page 9
EE25 S eries Pr oduct Manu al, 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 power . For conv enience , the ph rases the dri ve and t h is dr iv e ar e used thro ughout th is ma nual to indi cate ST9 40813AM, S T940814A M, ST9308 13AM, S T93081 4A ...
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Seagate ST940814AM - page 10
4 EE25 Ser ies Product Man ual, Rev. E T able 1: S pecifica tions f or 40 a nd 30 Gbyte model s Drive specificati on ST940813AM (OE M ) ST940814A M (Af termarket) ST930813AM (OEM) ST930814AM (Af termarket) Formatte d (512 byte s/sector )* 40 Gbyt es 30 Gbyt es Guarantee d secto rs 78,140,160 58 ,605,120 Bytes per sector 512 Physi c al read/wri te h ...
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Seagate ST940814AM - page 11
EE25 S eries Pr oduct Manu al, Rev. E 5 *One Gb yte equals one billion bytes whe n referr ing to hard drive capacity. A ccessibl e capacity may vary depending on oper ating enviro nment and formatting. **During periods of dr ive idle, some offli ne activ ity may oc cur, acco rding to the S.M.A .R.T. spec ifica tion, which may i ncrease aco ustic an ...
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Seagate ST940814AM - page 12
6 EE25 Ser ies Product Man ual, Rev. E T able 2: S pecifica tions f or 20 G byte mode ls Drive specificati on ST920813AM (OE M ) ST920814A M (Af termarket) Formatte d (512 byte s/sector )* 20 Gbyt es Guarantee d secto rs 39,070,080 Bytes per sector 512 Physi c al read/wri te heads 1 Discs 1 Cache 8 Mbytes Record ing dens ity , B PI 540.1k bi t s/in ...
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Seagate ST940814AM - page 13
EE25 S eries Pr oduct Manu al, Rev. E 7 *One Gb yte equals one billion bytes whe n referr ing to hard drive capacity. A ccessibl e capacity may vary depending on oper ating enviro nment and formatting. **During periods of dr ive idle, some offli ne activ ity may oc cur, acco rding to the S.M.A .R.T. spec ifica tion, which may i ncrease aco ustic an ...
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Seagate ST940814AM - page 14
8 EE25 Ser ies Product Man ual, Rev. E 2.2 Forma tte d ca pacity *One Gb yte equals one billion bytes whe n referr ing to hard drive capacity. A ccessibl e capacity may vary depending on oper ating enviro nment and formatting. 2.3 Def ault logi c al geo met ry LBA mode When addre ssing these drive s in LBA mode, all blo cks (sectors) ar e consecuti ...
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Seagate ST940814AM - page 15
EE25 S eries Pr oduct Manu al, Rev. E 9 2. 5 Record in g an d int er fac e te ch no lo gy 2.6 Phy sical cha racte risti cs 2.7 S ee k ti m e Seek m easuremen ts are t aken with no minal powe r . All times are me asured usi ng drive diagno stics. The spec - ificatio ns belo w are defi ned as follow s: • Track-t o-track seek time is an average o f ...
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10 EE25 Ser ies Product Man ual, Rev. E 2.8 S t art/ stop tim es Read seek times vs temperature 85 ° C 25 ° C -20 ° C -30 ° C msec msec msec msec T ypical Max T yp ical Max T ypical Max T ypical Max T rack-to-track 1 1 0.5 1 0. 5 6 1 6 Av erage 11 15 11 13 11 14 11 17 Full-stroke 22 28 22 24 22 28 23 29 Av erage latency 5.6 5.6 5.6 5.6 W rite s ...
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Seagate ST940814AM - page 17
EE25 S eries Pr oduct Manu al, Rev. E 11 2. 9 Po wer spe cif icati on s The dr ive re ceives DC powe r (+5V) thro ugh the inter face connecto r . 2. 9.1 Powe r c onsum ption Power requi rement s for th e drive s are liste d in the t able on page 1 1. T ypical pow er measur ement s are b ased on an average of drives tested, under nomina l conditi on ...
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12 EE25 Ser ies Product Man ual, Rev. E 2.9.1.1 T ypica l cu rrent pr ofile Figure 1. T yp ical 5V st artup and operation current profile 2.9.2 Conducted n oise Input noise r ipple is measured at th e host system power sup ply across an equivalen t 15-ohm resistive load on the +5 volt line. Using 5-volt power , the drive is expe cted to operate wit ...
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Seagate ST940814AM - page 19
EE25 S eries Pr oduct Manu al, Rev. E 13 2.9.4 Power-man ag eme nt modes The drive provid es programm able power man agement to provide greater energy ef ficiency . I n most syst ems, you can contro l power ma nagement t hrough th e system setup pro gram. The dr ive fe atures the following pow er-mana gement mo des: • Act ive mode The d rive is i ...
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Seagate ST940814AM - page 20
14 EE25 Ser ies Product Man ual, Rev. E 2.1 0 Envir onm en t al sp ec if ica tio ns 2.10.1 Ambient t emper ature 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 driv e case temperatur e, measur ed on baseplate, should not exceed 90° C (194° F) withi n the operati ng ambien ...
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Seagate ST940814AM - page 21
EE25 S eries Pr oduct Manu al, Rev. E 15 Figure 2. T emp erature vs. altitude cap ability 2.1 1.1 Shock 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. 2.1 1.1.1 Oper ating shoc k These drives comply with the perform ance l ...
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Seagate ST940814AM - page 22
16 EE25 Ser ies Product Man ual, Rev. E 2.1 1.2 V ibr ation All vi bration specifi cations assum e that th e drive is m ounted secure ly with the inpu t vibration applied at the driv e mounting screws. V ibra tion m ay be applied i n the X , Y or Z axi s. 2.1 1.2.1 Oper ating vibr ation The foll owing t able list s the maximu m vibration level s th ...
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Seagate ST940814AM - page 23
EE25 S eries Pr oduct Manu al, Rev. E 17 2.13 Elec tromag neti c i mmuni 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 rradio fr eque ncy (RF) en vironment s defin ed in the fol lowing tabl e: A - 1) No upset or degradation in performance be ...
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Seagate ST940814AM - page 24
18 EE25 Ser ies Product Man ual, Rev. E 2.1 5 Agen cy cer ti fica tio n 2.15.1 Safety c ertific ation 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. 2.15.2 Electroma gnetic com p atib ilit y Hard dri ve s that di splay th e CE m ...
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Seagate ST940814AM - page 25
EE25 S eries Pr oduct Manu al, Rev. E 19 Radi o and tele vision int erfer ence. This equipment gene rates and uses radi o frequency ene rgy and if not inst alled and use d in strict a ccordance wi th the man ufacturer’s inst ructions, may cau se inter ference to r adio and televi sion rece ption. This equ ipment is designe d to provide reaso nabl ...
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Seagate ST940814AM - page 26
20 EE25 Ser ies Product Man ual, Rev. E exposed to a n am bient relat ive hum i dity gr eate r th an 9 5%. Mat erials used in cabin et fa bri cation , such as v ul ca - nized rubb er , that can outgas corr osive comp ounds should be mi nimize d or elimina ted. The useful l ife of any elec tronic equi pment m ay be extend ed by replaci ng mate rials ...
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Seagate ST940814AM - page 27
EE25 S eries Pr oduct Manu al, Rev. E 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 handling and el ...
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Seagate ST940814AM - page 28
22 EE25 Ser ies Product Man ual, Rev. E 3.2.2 Cable-select optio n Compute rs that use cable select dete rmine the master and slave drives by selecting or dese lecting pin 28, CSE L, on the inter face bus. Master and sla ve drives a re determ ined by thei r physical posi tion on the ca ble. T o enabl e cable select, set a ju mper as shown in Fi gur ...
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Seagate ST940814AM - page 29
EE25 S eries Pr oduct Manu al, Rev. E 23 4.0 A T A interface These drive s use the industry-st andard A T A task file inte rf 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; mul tiword 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 signa ...
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Seagate ST940814AM - page 30
24 EE25 Ser ies Product Man ual, Rev. E 4.1.1 Suppo rted 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 t o the A T A -6 S tandar d. Command n ame Command co de (in hex) A T A-standar d commands A T A Device Configuration Ov erlay B1 H A T ...
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Seagate ST940814AM - page 31
EE25 S eries Pr oduct Manu al, Rev. E 25 Note: Individual Set Max com - mands are ident ified by the value placed in the Set Max F eatures register as defined to the right. Address Passw ord Lock Unlo ck Freeze Loc k 00 H 01 H 02 H 03 H 04 H Set Multiple Mode C6 H Sleep 99 H, E6 H S.M.A.R.T . B0 H S t andby 96 H, E2 H S t andby Immediate 94 H, E0 H ...
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26 EE25 Ser ies Product Man ual, Rev. E 4.1.2 Identify Device comma nd 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 dat a, shown bel ow , is organized as a si ngle 512- byte block of da ta. All rese rved bit s or words should be set to zer o. Paramete rs lis ted with ...
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Seagate ST940814AM - page 33
EE25 S eries Pr oduct Manu al, Rev. E 27 57–58 Current capacity in sectors xxxx H 59 Number of sectors transferred during a Read Multiple or W rite Multiple command xxxx H 60–61 T otal number of us er-addressabl e LBA sectors available (see Section 2.2 for relat ed information) ST940813AM = 78,140,160 ST940814AM = 78,140,160 ST930813AM = 58,605 ...
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Seagate ST940814AM - page 34
28 EE25 Ser ies Product Man ual, Rev. E 129–159 Seagate-reserved xxxx H 160–254 A T A-reserved 0000 H 255 Integrity word xxA 5 H Note. See t he bit descripti ons below for wor ds 63, 88, 9 3 and 94 of the Id entify Dr ive data. Description (if bit is set to 1) Bit Word 6 3 0 Multiword DMA mode 0 is s upported. 1 Multiword DMA mode 1 is s upport ...
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Seagate ST940814AM - page 35
EE25 S eries Pr oduct Manu al, Rev. E 29 4.1.3 Set Features com mand 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 , checks the con tent s of the F eatures reg ister , clears BSY and generates an inter - rupt. If the value i n the registe ...
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30 EE25 Ser ies Product Man ual, Rev. E ...
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EE25 S eries Pr oduct Manu al, Rev. E 31 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 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@Sea ...
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Seagate ST940814AM - page 38
32 EE25 Ser ies Product Man ual, Rev. E 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 o ...
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Seagate ST940814AM - page 39
EE25 S eries Pr oduct Manu al, Rev. E 33 Index Numerics 3D De fense System 1 A acoustics 16 Active m ode 13 agency cer tification (re gulatory) 1 8 altitude 1 4 ambient condi tion s 3 ambient temp eratu re 1 4 areal de nsity 9 ATA int erface 23 ATA-st andard com mands 24 Australian C-Tick 18 autodet ection 1 average seek time 9 B BPI 9 buffer 1 , 9 ...
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34 EE25 Ser ies Product Man ual, Rev. E interface signals 2 3 interfer ence 18 inte rleave 9 internal d ata-trans fer r ate OD 9 ISO do cument 777 9 16 J jumper settings 21 K Kore an RRL 18 L LBA m o de 8 length 9 Load/U nload 17 log ical geom etry 8 M master /slave 1 Master /slave configura tion 21 Mean tim e betw een failu res 17 modes 2 3 monito ...
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EE25 S eries Pr oduct Manu al, Rev. E 35 Sleep 11 , 25 Sleep mode 13 sound 1 6 specifications 3 Spin down 10 spindl e speed 9 Spinup 11 spinup po wer 11 Stand by 11 , 25 Stand by Immediat e 25 Stand by mode 11 , 13 stati c-discharge p recautions 21 subassem bly 18 support services 31 surge im munity 17 T technical support services 31 temper ature 1 ...
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36 EE25 Ser ies Product Man ual, Rev. E ...
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Sea gate T ech nolog y LLC 920 D isc Driv e, Scot ts V alley , Calif ornia 9 5066-454 4, USA Pub lication N umber: 100384290, Rev . E , Print ed in U.S.A. ...
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