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Seagate Momentus XT 320GB - page 1
Product Manual Momentus ® XT 100610268 Re v . A March 2010 ST95005620AS ST93205620AS ST92505610AS ...
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Seagate Momentus XT 320GB - page 2
Revision history © 2010 Se agate T echnology LLC. All rights reserved. Publication number: 1006 10268, Rev . A, March 2010 Seagate, Seagate T echnology and the W ave logo are registered tr ademarks of Seagate T echnology LLC in the United S tates and/or other countries. Momentus and Se aT ools are either tradem arks or registered trademarks of Sea ...
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Seagate Momentus XT 320GB - page 3
Momentus XT Product Manual , Rev. A i Contents 1.0 Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 1.1 About the Serial ATA interface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 2.0 Drive specificati ...
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Seagate Momentus XT 320GB - page 4
ii Momentus XT Product Ma nual, Rev. A ...
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Momentus XT Product Manual , Rev. A iii List of Figures Figure 1. Typical +5V only startup and operation curren t profile . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9 Figure 2. Serial ATA connectors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20 Figure 3. Attaching S ...
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Seagate Momentus XT 320GB - page 6
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Seagate Momentus XT 320GB - page 7
Momentus XT Product Manual , Rev. A 1 1.0 Introduction This manual describes the functiona l, mechanical an d interface specifications for the following Seagate Momentus ® XT model drives: These drives provide the following key fea tures: • 7200-RPM spindl e speed. • 32MB buf fer . • Quiet operation. Fluid Dynamic Bearing (FDB) motor . • H ...
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Seagate Momentus XT 320GB - page 8
2 Moment us XT Produc t Manual, Rev. A 1.1 About the Serial A T A interface The Serial A T A interface provides several ad vanta ges over the traditional (p arallel) A T A interf ace. The prim ary advantages include : • Easy installation and configuration with true plug-and -p lay connectivity . It is not normally necessary to set any jumpers or ...
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Seagate Momentus XT 320GB - page 9
Momentus XT Product Manual , Rev. A 3 2.0 Drive specifications Unless otherwise noted, all specific ations are me asured unde r ambient conditions, at 25°C, and nominal power . 2.1 Spec ification summary t able The specifications listed in this tabl e are for quick reference. F or deta ils on specification measur ement or defi- nition, see the app ...
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Seagate Momentus XT 320GB - page 10
4 Moment us XT Produc t Manual, Rev. A * On e Gbyte equals one billion bytes when referring to hard driv e capacity. Accessible capacit y 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, which may increase a coustic and power to ...
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Seagate Momentus XT 320GB - page 11
Momentus XT Product Manual , Rev. A 5 2.2 Formatted cap acity Model Formatted capacity* Guaranteed sectors Bytes per sector ST95005620AS 500GB 976,773,168 512 ST93205620AS 320GB 625,142,448 512 ST92505610AS 250GB 488,397,168 512 *One GB equals one billion bytes when referring to hard driv e capacity. Accessible capacit y may vary depending on opera ...
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Seagate Momentus XT 320GB - page 12
6 Mome ntus XT Product M anual, Rev. A 2.4 Physical organization Drive model Read/write heads Number of discs ST95005620AS 4 2 ST93205620AS 3 ST92505610AS 2 1 2.5 Recording and interface tec hnology Interface Serial A T A (SA T A) Recording method Perpendicular Recording density BPI (bits/in max) 1,490k T rack density TPI (tracks/in max) 265k Areal ...
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Seagate Momentus XT 320GB - page 13
Momentus XT Product Manual , Rev. A 7 2.7 Seek time Seek measurement s are taken with nominal p ower at 25°C ambient temperature. All tim es are measured using drive diagnostics. The specifications in th e table belo w are defined as follows: • T ra ck-to-track s eek time is an average of all possible sing le-track s eeks in both directions. • ...
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Seagate Momentus XT 320GB - page 14
8 Mome ntus XT Product M anual, Rev. A 2.9 Power specifications The drive receives DC power (+5V) thr ough a native SA T A power connector . 2.9.1 Power co nsumption Power requirement s for the drives are listed in the tab l e on page 8. T ypical power me asurement s are based on an average of drives tested, under nomina l co nditions, at 25°C amb ...
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Seagate Momentus XT 320GB - page 15
Momentus XT Product Manual , Rev. A 9 2.9.1.1 T ypical current prof ile Figure 1. T ypical +5V only startup and operation current prof ile ...
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10 Momentus XT Product Ma nual, Rev. A 2.9.2 C onducted noise Input noise ripp le is measured at the ho st system powe r supply across an equivalent 15-ohm resistive load on the +5V line. Using 5V power , th e drive is ex pected to oper ate with a m aximum of 10 0mV peak-to -peak square -wave injected nois e at up to 10 MHz. Note. Equivalent resist ...
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Seagate Momentus XT 320GB - page 17
Momentus XT Product Manual , Rev. A 11 2.9.4 Power-man agement mo des The drive provides progr ammable powe r management to provide gr eater energy effici ency . In most systems, you can control power manage ment through the system setup program. The drive features the following power-management mod e s: • Active mode The drive is in Active mode ...
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Seagate Momentus XT 320GB - page 18
12 Momentus XT Product M anual, Rev. A 2.10 Environment al specifications This section provides the temperature, humidity , shock, and vibration spec ifications for Momentus XT dr ives. 2.10.1 Ambient tempe rature Ambient temperatur e is defined as the temperatur e of th e environmen t immediatel y surr ounding the drive. Actual drive c ase temper ...
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Seagate Momentus XT 320GB - page 19
Momentus XT Product Manual , Rev. A 13 2.10.6 Shock All shock specifications assu me that the drive is mounted secu rely with the input shock applied at the drive mounting screws. Shock may be applied in the X, Y or Z axis. 2.10.6.1 Operating shock These drives comply with t he performance levels specified in this document when subjecte d to a maxi ...
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Seagate Momentus XT 320GB - page 20
14 Momentus XT Product M anual, Rev. A *During periods of drive idle, some offli ne activity may occur according to the S.M. A.R.T. specification, which may increase ac oustic and power to operational levels . T est for Prominent Discret e T ones (PDT s) Seagate follo ws the ECM A-74 standards fo r measureme nt a nd id entification of PDT s. An exc ...
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Seagate Momentus XT 320GB - page 21
Momentus XT Product Manual , Rev. A 15 2.14 Agency certification 2.14.1 Safety certification The drives are reco gnized in accordance with UL 60950-1 and CSA C22.2 (950) an d meet all applicable sec- tions of IEC 60950-1 and EN609 50-1 as tested by TUV North America. 2.14.2 Electromagnetic comp atibility Hard drives that display the CE mark comply ...
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Seagate Momentus XT 320GB - page 22
16 Momentus XT Product Ma nual, Rev. A This equipment is designed to provide re asonable protecti on against such interference in a re sidential installa- tion. However , there is no guarantee that interference will not occur in a particular in stallation. If this equipment does cause interference to radio or television, which can be determined by ...
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Seagate Momentus XT 320GB - page 23
Momentus XT Product Manual , Rev. A 17 2.15 Environment al protection Seagate des igns its products to meet envi ronmental pr otection requirements worl dwide, including regulations restricting certain chemical substances. 2.15.1 Euro pean Union Restriction of Hazardous Subst ances (RoHS) Seagate des igns its products to meet envi ronmental pr otec ...
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Seagate Momentus XT 320GB - page 24
18 Momentus XT Product Ma nual, Rev. A 2.16 Corrosive environment Seagate electronic dr ive component s pass accelerated corrosion testing equiva lent to 10 years exposure to light industrial environment s containing sulfurous g ases, chlorine and nitr ic oxide, classes G and H per ASTM B845. However , this accelerated testing cannot duplicate ever ...
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Seagate Momentus XT 320GB - page 25
Momentus XT Product Manual , Rev. A 19 3.0 Configuring and mounting the drive This section contains the specif ications an d instructions for configuring and mounting the drive. 3.1 Handling and st atic-discharge precautions After unp acking, and before installation, the drive may be exposed to pote ntial handling and electrostatic dis- charge (ESD ...
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Seagate Momentus XT 320GB - page 26
20 Momentus XT Product Ma nual, Rev. A 3.2 Configuring the drive Each drive on th e Serial A T A interface connect s in a point-to-point configuration with the Serial A T A host adapter . There is no master/slave rela tionship because each drive is consid ered a master in a point-to-poin t relationships. If two drives are at tached on one Serial A ...
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Seagate Momentus XT 320GB - page 27
Momentus XT Product Manual , Rev. A 21 3.4 Drive mounting Y ou can moun t the drive using four screws in the side-mo unting holes or four scr e ws in the bottom-mounting holes. See Figure 4 for drive mounting dimensions. Follow these imp ortant mounting prec autions when mo unt- ing the drive: • Allow a minimum clearance of 0.030 inches (0.76 mm) ...
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Seagate Momentus XT 320GB - page 28
22 Momentus XT Product Ma nual, Rev. A 4.0 Serial A T A (SA T A) interface These drives use the industry-s tandard Ser ial A T A interfac e that supp orts FIS dat a transfers. It supports A T A programmed inpu t/output (PIO) mod es 0–4; multiword DMA modes 0–2 , and Ultra DMA mo des 0–6. The drive also support s the use of the IORDY signal to ...
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Seagate Momentus XT 320GB - page 29
Momentus XT Product Manual , Rev. A 23 4.2 Serial A T A device plug conn ector pin definitions T able 7 summarizes the signals on the Seri al A T A interface an d power connectors. . 1. All pins are in a single row , with a 1.27 mm (0.050”) pitch. 2. The comment s on the mating sequence a pply to the case of backplane blindma t e connector only . ...
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Seagate Momentus XT 320GB - page 30
24 Momentus XT Product Ma nual, Rev. A 4.3 Supported A T A commands The following t able list s Serial A T A standard comman ds that the drive suppo rts. For a det ailed description of the A T A commands, refer to the Serial A T A: High S peed Serialized A T Att a chment specification . See “S.M.A.R.T . commands” on page 30 .for details and su ...
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Seagate Momentus XT 320GB - page 31
Momentus XT Product Manual , Rev. A 25 S.M.A.R.T . Enable/Disable Autosave B0h/D2h S.M.A.R.T . Enable Operations B0h/D8h S.M.A.R.T . Enable/Disabl e Auto Offline B0h/DBh S.M.A.R.T . Enable One Attribute Modification B0h/E0h S.M.A.R.T . Execut e Offline B0h/D 4h S.M.A.R.T . Free Fall Protection Ho st Interface FEh S.M.A.R.T . Read Attri bute Thresho ...
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Seagate Momentus XT 320GB - page 32
26 Momentus XT Product Ma nual, Rev. A 4.3.1 Identify D evice comman d The Identify Device command (command code EC H ) transfers information abo ut the drive to the host following power up. The dat a is organized as a single 51 2-byte bl ock of data, whose content s are shown in the table on page 27. All re served bits or words should be set to ze ...
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Seagate Momentus XT 320GB - page 33
Momentus XT Product Manual , Rev. A 27 59 Number of sectors transferred during a Read Multiple or Wr ite Multiple command xxxx H 60–61 T otal number of user-addressable sectors This field contains a value that is one greater than the total number of user-addressable sectors. The ma ximum value that shall be pl aced in this field i s 0FFFFFFFh. Th ...
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Seagate Momentus XT 320GB - page 34
28 Momentus XT Product Ma nual, Rev. A 100–103 T otal number of user-addressable LBA sectors available (see Secti on 2.2 for related information ) These words are required for drives that support the 48-bit addressing feature. Maximum value: 0000FFF FFFFFFFFFh . ST95005620AS = 976,773,168 ST93205620AS = 625,142,448 ST92505610AS = 488,397,168 104? ...
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Seagate Momentus XT 320GB - page 35
Momentus XT Product Manual , Rev. A 29 4.3.2 Set Featu res command This command controls the implement ation of various feat ures that th e drive supports. When the drive receives this command, it sets BSY , checks the contents of the Features r egister , clears BSY and generate s an inter- rupt. If the value in the register does n ot represent a f ...
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Seagate Momentus XT 320GB - page 36
30 Momentus XT Product Ma nual, Rev. A 4.3.3 S.M.A.R.T . commands S.M.A.R.T . provides near-term failure prediction for d isc drives. When S.M.A.R.T . is enabled, the drive m oni- tors predetermined drive attributes that are suscep t ible to degradation ove r time. If self-monitoring determin es that a failure is likely , S.M.A.R.T . makes a status ...
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Seagate Momentus XT 320GB - page 37
Momentus XT Product Manual , Rev. A 31 5.0 Seagate T echnology support services Web For information regardin g Seagate product s and services, visit www .sea gate.co m . Worldwide support is available 24 hours daily by email fo r your questions. . W arranty Support: http://www .sea gate.com/www/en-us/ support/warranty_&_returns_assistance direc ...
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Seagate Momentus XT 320GB - page 38
32 Momentus XT Product Ma nual, Rev. A Customer Service Operations Presales Support Our Presales Support staf f can help you determine which Seagate product s are best suited for your specific application or comput er system, as well as product availability an d compatibility . T echnical Support Seagate tec hnical support is available to assis t y ...
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Seagate Momentus XT 320GB - page 39
Momentus XT Product Manual , Rev. A 33 Index A ACA 15 acoustics 4 , 13 Active m ode 11 Address 24 AFR 14 Agency certification 15 Altitude 12 Altitude, nonoperating 4 Altitude, operating 4 Ambient temperature 4 , 12 ambient temperature 7 Annualized Failure Rate 14 Annualized Failure Rate (AFR) 4 Areal density 3 , 6 ATA commands 24 ATA data-transfer ...
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Seagate Momentus XT 320GB - page 40
34 Momentus XT Product Ma nual, Rev. A H handling 19 Handling precautions 19 heads 5 Height 3 height 6 humidity 4 I I/O data-transfer rate 3 , 6 Identify 24 Identify Device 24 Identify Device command 26 Idle 8 , 25 Idle and Standby timer s 11 Idle Immediate 25 Idle mode 4 , 11 Idle mode power 8 IEC950 15 Information Technology Equipment (ITE) 15 In ...
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Seagate Momentus XT 320GB - page 41
Momentus XT Product Manual , Rev. A 35 read/write power and current 8 Recording density 3 , 6 Recording method 6 Recording technology 6 Relative humidity 4 , 12 Reliability 14 resistance 10 Retries 24 RF 14 RoHS 17 RPM 3 RRL 15 S S.M.A.R.T. 25 S.M.A.R.T. implementation 24 Safety certification 15 SATA 6 , 22 screws 13 , 21 sector 5 sectors 5 Sectors ...
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36 Momentus XT Product Ma nual, Rev. A ...
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Seagate T echnology LLC 920 Disc Drive, Scotts V alley , California 95066-4544, USA Publication Number: 1006102 68, Rev . A ...
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