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Seagate ST3750840ACE - page 1
DB35.3 Series P A T A ST3750840ACE ST3500830ACE ST3400820ACE ST3320820ACE ST3300820ACE ST3250820ACE ...
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Seagate ST3750840ACE - page 2
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Seagate ST3750840ACE - page 3
DB35.3 Series P A T A ST3750840ACE ST3500830ACE ST3400820ACE ST3320820ACE ST3300820ACE ST3250820ACE ...
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Seagate ST3750840ACE - page 4
© 2006, Seagate T echnology LLC All rights reserv ed Publication number: 1004 27568, Rev . C August 2006 Seagate and Seagate T echnology are register ed tradema rks of Seagate T echnology LLC. SeaT ools, SeaFONE, SeaBOARD , SeaTDD, and the Wave logo are either regist ered trade- marks or trademarks of Seaga te T echnology LLC. Other product names ...
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Seagate ST3750840ACE - page 5
DB35.3 Series PATA Product Manu al, Rev. C iii Contents 1.0 Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 2.0 Drive specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...
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Seagate ST3750840ACE - page 6
iv DB35.3 Series PATA Produc t Manual, Rev. C ...
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Seagate ST3750840ACE - page 7
DB35.3 Series PATA Product Manu al, Rev. C v List of Figures Figure 1. Typical 5V startup and operation c urrent profile . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12 Figure 2. Typical 12V startup and operation cur rent profile . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 2 Figure 3. Breather filt ...
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Seagate ST3750840ACE - page 8
vi DB35.3 Series PATA Produc t Manual, Rev. C ...
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Seagate ST3750840ACE - page 9
DB35.3 Series PATA Product Manu al, Rev. C 1 1.0 Introduction This manual describes the functional, mechanical a nd interface specifications for the following Seagate ® DB35.3 Series P A T A model drives: These drives provide the following key fea tures: • 7,200-RPM spindle sp eed. • High instant aneous (burst) da ta transfer ra te s (up to 10 ...
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Seagate ST3750840ACE - page 10
2 DB35.3 Series PAT A Product Manual, Rev. C ...
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Seagate ST3750840ACE - page 11
DB35.3 Series PATA Product Manu al, Rev. C 3 2.0 Drive specifications Unless otherwise noted, all specific ations are me asured unde r ambient conditions, at 25°C, and nominal power . For convenienc e, the phrases the drive and this drive are used throughout this manual to in dicate the following drive models: 2.1 Spec ification summary t able The ...
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Seagate ST3750840ACE - page 12
4 DB35.3 Series PAT A Product Manual, Rev. C T able 1: Drive specifications summary for 750, 500, and 40 0 Gbyte models Drive specification ST3750840ACE ST3500830ACE ST3400820ACE Formatted Gbytes (512 bytes/sector)* 750 500 400 Guaranteed sectors 1,465,149,168 976,773,168 781,422,768 Bytes per secto r 512 Default sectors per track 63 Default read/w ...
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Seagate ST3750840ACE - page 13
DB35.3 Series PATA Product Manu al, Rev. C 5 * One Gbyt e equals one billion bytes when referring to hard driv e capacity. Accessible capacity may vary depending on operating environment and formatting. **During periods of drive idle, some offlin e activity may occur acco rding to the S.M. A.R.T. specification, w hich may increase a coustic and pow ...
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Seagate ST3750840ACE - page 14
6 DB35.3 Series PAT A Product Manual, Rev. C T able 2: Drive specifications summary for 320, 300, an d 250 Gbyt e models Drive specification ST3320820ACE ST3300820ACE ST3250820ACE Formatted Gbytes (512 bytes/sector)* 320 300 250 Guaranteed sectors 625,142,448 586,072,368 488,397,168 Bytes per secto r 512 Default sectors per track 63 Default read/wr ...
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Seagate ST3750840ACE - page 15
DB35.3 Series PATA Product Manu al, Rev. C 7 * One Gbyt e equals one billion bytes when referring to hard driv e capacity. Accessible capacity may vary depending on operating environment and formatting. **During periods of drive idle, some offlin e activity may occur acco rding to the S.M. A.R.T. specification, w hich may increase a coustic and pow ...
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Seagate ST3750840ACE - page 16
8 DB35.3 Series PAT A Product Manual, Rev. C 2.2 Formatted cap acity *One Gbyte equals one billion bytes when refe rring to h ard dr ive capacity. Accessible capacity may vary d epending on operatin g environ- ment and formatting. 2.2.1 LBA mode When addressing these d rives in LBA mode, all bloc ks (sectors ) are consecutively numbered from 0 to n ...
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Seagate ST3750840ACE - page 17
DB35.3 Series PATA Product Manu al, Rev. C 9 2.4 Recording and interface tec hnology 2.5 Physical characteristics 750GB 500GB 400GB 320GB 3 00GB 250GB Interface A T A Recording method Perpendicular Recording density , KBPI (kbits/inch max) 926 813 781 813 T rack density , KTPI (ktracks/inch avg) 145 Areal density (Gbits/inch 2 avg) 128.2 1 14.4 S p ...
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Seagate ST3750840ACE - page 18
10 DB35.3 Serie s PATA Prod uct Manual, Re v. C 2.6 Seek time Seek measurement s are t aken with nominal p ower at 25°C ambient tempera ture. All times a re measur ed using drive diagnostics. The specifications in th e table below are defined as follows: • T rack-to-track seek time is an average of al l possible single-track seeks in both direct ...
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Seagate ST3750840ACE - page 19
DB35.3 Series PATA Product Manu al, Rev. C 11 Idle mode power is measur ed with the drive up to sp eed, with ser vo electronics active and with the head s in a random track location . • St andby mode During Standby m ode, the drive accepts co mmands, but the drive is n ot spinning, and the servo and read/ write electronics are in po wer-down mode ...
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Seagate ST3750840ACE - page 20
12 DB35.3 Serie s PATA Prod uct Manual, Re v. C 2.8.1.1 T ypical cu rrent profile Figure 1 T ypical 5V startup and operation current pro f ile Figure 2 T ypical 12V startup and operation cu rrent profile 2.8.2 Conducted noise Input noise ripp le is meas ured at the host sys tem po we r supply across an equivalent 80-ohm resistive load on the +12 vo ...
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Seagate ST3750840ACE - page 21
DB35.3 Series PATA Product Manu al, Rev. C 13 2.8.3 V oltage tolerance V oltage to lerance (including noise): 5V ± 5% 12V ± 10% 2.8.4 Po wer-manage ment modes The drive provides progr ammable power man agement to provide gr eater energy ef ficiency . In most systems, you can control power manage ment through the system setup program. The drive fe ...
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Seagate ST3750840ACE - page 22
14 DB35.3 Serie s PATA Prod uct Manual, Re v. C 2.9 Environment al specifications 2.9.1 Ambie nt temperat ure Ambient temperatur e is defined as the temperature of the environment immedi ately surrounding the drive. Actual drive case temper ature should not exceed 75°C (167°F) within the operating ambi ent conditions. Rec- ommended measurem ent l ...
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Seagate ST3750840ACE - page 23
DB35.3 Series PATA Product Manu al, Rev. C 15 2.9.5 Sho ck All shock specifications assu me that the drive is mounted secu rely with the input shock ap plied at the drive mounting screws. Shock may be applied in the X, Y or Z axis. 2.9.5.1 Opera ting shock These drives comply with t he performance levels specified in this document when subjecte d t ...
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Seagate ST3750840ACE - page 24
16 DB35.3 Serie s PATA Prod uct Manual, Re v. C 2.10 Acoustics Drive acoustics are measured as overall A-we ighted ac oustic sound power levels (no pure tones). All mea- surements ar e consistent with ISO document 7779. Soun d power measurem ent s are taken under esse ntially free-field conditions over a reflecting plane. Fo r all te sts, the drive ...
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Seagate ST3750840ACE - page 25
DB35.3 Series PATA Product Manu al, Rev. C 17 2.1 1 Electromagnetic immunity When properly inst alled in a representative host system, the dr ive operates without error s or degradation in performance when subjected to the radio frequ ency (RF) environment s defined in the following t able: T able 5: Radio frequency environment s 2.12 Reliability 2 ...
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Seagate ST3750840ACE - page 26
18 DB35.3 Serie s PATA Prod uct Manual, Re v. C 2.13.2 Electromagnetic comp atibility Hard drives that display the CE mark comply with the Eu ropean Union (EU) requirements specified in the Elec- tromagnetic Compatibility Direc tive (89/336/EEC). T esting is performed to the levels specified by the product standards for Information T echnology Equi ...
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Seagate ST3750840ACE - page 27
DB35.3 Series PATA Product Manu al, Rev. C 19 • Move the device to one side or the other of the radio or TV . • Move the device fart her away fr om the rad io or TV . • Plug the c omputer into a different outlet so that t he receiver and computer are on dif ferent bran ch outlets. If necessary , you should consult your deale r or an ex perie ...
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Seagate ST3750840ACE - page 28
20 DB35.3 Serie s PATA Prod uct Manual, Re v. C ...
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Seagate ST3750840ACE - page 29
DB35.3 Series PATA Product Manu al, Rev. C 21 3.0 Configuring and mounting the drive This section contains the specif ications an d instructions for configuring and mounting th e drive. 3.1 Handling and st atic discharge precautions After unp a cking , and before inst allation, the drive may be expo sed to potential handlin g and electrost atic dis ...
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Seagate ST3750840ACE - page 30
22 DB35.3 Serie s PATA Prod uct Manual, Re v. C 3.2 Breather filter hole precautions This section co ntains information re garding the precau tions which should be taken re garding the breather filter hole in Seagate hard d isc drives. Proper precautio ns should be t aken to ensure full functionality and prevent possible damage to the drive . Figur ...
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Seagate ST3750840ACE - page 31
DB35.3 Series PATA Product Manu al, Rev. C 23 3.3 Jumper settings 3.3.1 Master/slave configuration The options jumper block sho wn in Figure 4 is u sed to configure the dri ve for operation. It is the 8- pin dual header between the inter face connecto r and the power co nnector . Use th e following settings to configure the drive as a master or a s ...
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Seagate ST3750840ACE - page 32
24 DB35.3 Serie s PATA Prod uct Manual, Re v. C 3.3.3 Ult ra A T A/100 cable An 80-conductor 40-pin cable is required to run Ultra DMA mod e 3, mode 4, and mode 5. This cable uses even-numb e re d co nd uc to rs co nn e cte d to the gr ou n d pin s to imp r ove sign al int egrity . Figure 5 Ultra A T A cable connectors Note. The drive support s bot ...
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Seagate ST3750840ACE - page 33
DB35.3 Series PATA Product Manu al, Rev. C 25 Figure 6 Mounting dimensi ons —to p, sid e an d en d view 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 location 0.1240 ...
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Seagate ST3750840ACE - page 34
26 DB35.3 Serie s PATA Prod uct Manual, Re v. C ...
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Seagate ST3750840ACE - page 35
DB35.3 Series PATA Product Manu al, Rev. C 27 4.0 A T A interface These drives use the industry-st andard A T A task file inte rface that support s 16-bit dat a transfers. It supports A T A programmed in put/output (PIO) modes 0–4; multiword DMA mo des 0–2, and Ultra DMA mod es 0–5. The drive also supports the use of th e IOR DY signal to pro ...
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Seagate ST3750840ACE - page 36
28 DB35.3 Serie s PATA Prod uct Manual, Re v. C 4.1.1 Supported A T A commands The following t able lists A T A-standard commands that the dr ive support s. For a det ailed description of the A T A commands, refer to the Draft A T A-7 S ta ndard. See “ S.M.A.R.T . commands” on pa ge 34 for details and sub- commands used in the S.M.A.R.T . imple ...
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Seagate ST3750840ACE - page 37
DB35.3 Series PATA Product Manu al, Rev. C 29 Security Erase Unit F4 H Security Freeze F5 H Security Set Password F1 H Security Unlock F2 H Seek 70 H Set Features EF H Set Max Address F9 H Note: Individual Set Max Address commands are identifie d by the value placed in the Set Max Features regis- ter as defined to the right. Address: Password: Lock ...
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Seagate ST3750840ACE - page 38
30 DB35.3 Serie s PATA Prod uct Manual, Re v. C 4.1.2 Ide ntify Devic e command The Identify Device command (command code EC H ) tran sfers information about the drive to the host followin g power up. The data is organized as a single 512-byte block of data, whose content s are shown in the T able 6 on page 28. All reserved bits or word s should be ...
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Seagate ST3750840ACE - page 39
DB35.3 Series PATA Product Manu al, Rev. C 31 60–61 T otal number of user-addressable LBA sectors available (see Section 2.2 fo r rela te d i nf orm ation) *Note: The maximum value allowed in th is field is: 0FFFFFFFh (268,435,455 sectors, 137 Gbytes). Drives with capaciti es ov er 137 Gbytes will have 0FFFFFFFh in this field and the actual numbe ...
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Seagate ST3750840ACE - page 40
32 DB35.3 Serie s PATA Prod uct Manual, Re v. C Note. Advanced Power Management (APM) and Automatic Acou stic Ma nagement (AAM) feat ures are not supp orted Note. See the bit descriptions below for words 63 , 88, and 93 of the Identify Drive data: 160–254 A T A-rese rved 0000 H 255 Integrity word xxA5 H Description (if bit is set to 1) Bit Word 6 ...
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Seagate ST3750840ACE - page 41
DB35.3 Series PATA Product Manu al, Rev. C 33 4.1.3 Se t Features c ommand This command controls the implement ation of various fe atures that th e drive suppo rts. When the drive r eceives this command, it sets BSY , checks the content s of the Features register , clears BSY and genera tes an inter- rupt. If the value in the register does n ot rep ...
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Seagate ST3750840ACE - page 42
34 DB35.3 Serie s PATA Prod uct Manual, Re v. C 4.1.4 S.M.A.R.T . commands S.M.A.R.T . p rovides near-term failure pre diction for disc drives. Wh en S.M.A.R.T . is enabled, the drive moni- tors predetermined drive attributes that are suscep tible to degradation over time. If self- monitoring determines that a failure is likely , S.M.A.R.T . makes ...
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Seagate ST3750840ACE - page 43
DB35.3 Series PATA Product Manu al, Rev. C 35 5.0 Seagate T echnology support services Online services Internet www .seagate.com for information about Seagate product s and services. Worldwide suppor t is available 24 hours daily by e-mail for you r qu es tio ns. Presales Support: www .sea gate.com/support/email/email_presales.h tml or Presales@Sea ...
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Seagate ST3750840ACE - page 44
36 DB35.3 Serie s PATA Prod uct Manual, Re v. C Dat a Recovery Services Seagate offe rs data recovery serv ice s for all format s and all brands of storage media. Our Dat a Recovery Ser- vices labs are currently located in North America. T o speak with a case management repr esentative, call 1-800-475-0143. Additional information , including an on ...
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Seagate ST3750840ACE - page 45
DB35.3 Series PATA Product Manu al, Rev. C 37 European support services For presales and technical support in Euro pe, dial the Seagate Service Center to ll-fre e number for you r spe- cific location. If your loc ation is no t listed here, dial our presales and te chnical support call center at +1-405- 324-4714 from 8:00 A . M . to 1 1:45 A . M . a ...
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Seagate ST3750840ACE - page 46
38 DB35.3 Serie s PATA Prod uct Manual, Re v. C Asia/Pacific support services For Asia/Pacific presales and technica l support, dial the toll-free number for your specific location. The Asia/ Pacific toll-free numbers are available from 6:00 A . M . to 10:45 A . M . and 12:00 P . M . to 6:00 P . M . ( Australian East- ern time) Monday thro ugh Fr i ...
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Seagate ST3750840ACE - page 47
DB35.3 Series PATA Product Manu al, Rev. C 39 Index A acoustics 16 Active m ode 13 agency certification (regulatory) 17 altitude 14 ambient cond itio ns 3 ambient temperature 10 , 14 areal density 1 , 9 ATA interface 27 ATA-standard com mands 28 Australian C-Tick 18 autodetection 1 average se ek time 10 B BPI 9 breather filter hole precautions 22 b ...
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Seagate ST3750840ACE - page 48
40 DB35.3 Serie s PATA Prod uct Manual, Re v. C Idle mode power 10 IEC950 17 Information Technology Equipment 18 Initialize Device Parameters 28 interface 9 , 27 interface signals 27 interference 18 internal data-transfer rate OD 9 ISO document 7779 16 J jumper settings 23 K Korean RRL 18 L LBA mode 8 length 9 logical geometry 8 M maintenance 17 ma ...
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Seagate ST3750840ACE - page 49
DB35.3 Series PATA Product Manu al, Rev. C 41 safety certification 17 screws 24 SeaTools 1 , 34 sectors 8 Security Disable Password 28 Security Erase Prepare 28 Security Erase Unit 29 Security Freeze 29 Security Set Password 29 Security Unlock 29 Seek 29 seek mode 10 seek time 10 servo electronics 11 Set Features 29 Set Features command 33 Set Max ...
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Seagate ST3750840ACE - page 50
42 DB35.3 Serie s PATA Prod uct Manual, Re v. C ...
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Seagate ST3750840ACE - page 51
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Seagate ST3750840ACE - page 52
Seagate T echnology LLC 920 Disc Drive, Scotts V alley , California 95066-4544, USA Publication Number: 10 0427568, Rev . C, Printed in U.S.A. ...
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