SeagateメーカーST9750423ASGの使用説明書/サービス説明書
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Product Manual Momentus ® 7200-RPM 5400-RPM 100627937 Re v . C January 2011 St anda rd models ST9750423AS ST9750422AS ST9750420AS ST9750424AS * ST9640424AS ST9640423AS ST9640422AS * ST9500424AS ST950.
Revision history © 201 1 Seagate T echnology LLC. All right s reserved. Publication number: 1006 27937, Rev . C, January 201 1 Seagate, Seagate T echnology and the W ave logo are registered trademarks of Seaga te T echnology LLC in the United S tates and/or other countries.
Momentus Product Manua l, Rev. C i Contents 1.0 Seagate Technology support services . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 2.0 Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
ii Momentus Product Manu al, Rev. C.
Momentus Product Manua l, Rev. C iii List of Figures Figure 1. Typical +5V only startup and operation curren t profile (7200-RPM models) . . . . . . . . . . . . . 10 Figure 2. Typical +5V only startup and operation curren t profile (5400-RPM models) .
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Momentus Product Manua l, Rev. C 1 1.0 Seagate T echnology support services SEAGA TE ONLINE SUPPORT and SERVICES For information regarding pr oducts and services, visit http://www .
2 Momentus Product Manu al, Rev. C 2.0 Introduction This manual describes the functiona l, mechanical an d interface specifications for the following Seagate Momentus ® model dr ives: These drives pr.
Momentus Product Manua l, Rev. C 3 2.1 About the Serial A T A interface The Serial A T A interface provides several ad vantages over the traditional (p arallel) A T A interf ace. The p rimary advantages include : • Easy installation and configur ation with true plug-and-p lay connectivit y .
4 Momentus Product Manu al, Rev. C 3.0 Drive specifications Unless otherwise noted, all specific ations are measured und er ambient conditions, at 25°C, and nominal power . 3.1 Spec ification summary t able The specifications listed in this t able are for quick re ference.
Momentus Product Manua l, Rev. C 5 * On e Gbyte 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.
6 Momentus Product Ma nual, Rev. C 3.2 Formatted cap acity Model Formatted cap acity* Guaranteed secto rs Bytes per sector (log ical) ST9750423AS, ST97504 23ASG, ST9750422AS, ST97504 20AS and ST975042.
Momentus Product Manua l, Rev. C 7 3.5 Recording and interface tec hnology Interface Serial A T A (SA T A) Recording method Perpendicular Recording density BPI (bits/in max) 1,586k T rack density TPI (tracks/in max) 341k Areal density (Gb/in 2 max) 541 S pindle speed (RPM) ( ± 0.
8 Momentus Product Ma nual, Rev. C 3.7 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 direction s .
Momentus Product Manua l, Rev. C 9 3.9 Power specifications The drive receives DC power (+5V) thr ough a native SA T A power connector . 3.9.1 Power consumption Power requirement s for the drives are listed in the t abl e on p a ge 9.
10 Momentus Product Ma nual, Rev. C 3.9.1.1 T ypical current prof ile Figure 1. T ypical +5V only startup and op eratio n current profile (7200-RPM mode ls ) Figure 2.
Momentus Product Manua l, Rev. C 11 3.9.2 Conducted noise Input noise ripp le is meas ured at the host sys tem po we 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 100mV peak-to -peak squa re-wave injected nois e at up to 10 MHz.
12 Momentus Product Manu al, Rev. C 3.9.4 Power-man agement mo des The drive provides prog rammable power man agement to provide greater energy effici ency .
Momentus Product Manua l, Rev. C 13 3.10 Environment al specifications This section provides the tempe r ature, humidity , shoc k, and vibration specificat ions for Momentus drives. 3.10.1 Ambient tempe rature Ambient temperature is defined as the temperature of th e envir onment immediately surrounding the drive.
14 Momentus Product Manu al, Rev. C 3.10.6 Shock All shock specifications assu me that the drive is mounted secu rely with the input shock applied at the drive mounting screws.
Momentus Product Manua l, Rev. C 15 3.1 1 Acoustics Drive emission of so und is measured consistent with the ECMA-74 an d its referenced standards. T esting is conducted at room temper ature (approximately 25 ° C). Emission levels are reported as the tot al A-weighted sound power levers for steady st ate, idle, and active seeks modes of operation.
16 Momentus Product Ma nual, Rev. C 3.13 Reliability Measurement type S pecification Nonrecoverable read errors 1 per 10 14 bits read, max. Annualized Fa ilure Rate (AFR) 0.
Momentus Product Manua l, Rev. C 17 Korean RRL If these drives have the Korean Communications Commission (KCC) logo , they comply with paragraph 1 of Article 1 1 of the El ectromagnetic Compatib ility.
18 Momentus Product Ma nual, Rev. C 3.15 Environment al protection Seagate designs it s products to meet en vironmental pr otection requirement s worldwide, including regulations restricting certain chemical substances.
Momentus Product Manua l, Rev. C 19 4.0 Configuring and mounting the drive This section contains the specif ications an d instructions for configuring and mounting the drive.
20 Momentus Product Manu al, Rev. C 4.2 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.
Momentus Product Manua l, Rev. C 21 4.4 Drive mounting Y ou can mount the drive using four screws in the side-mo un ting holes or four screws in the bottom-mounting holes. See Figure 5 for drive mounting dimensions. Follow these important moun ting precautio ns when mount - ing the drive: • Allow a minimum clearance of 0.
22 Momentus Product Manu al, Rev. C 5.0 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 data transfers. It supp orts A T A programmed inpu t/output (PIO) mod es 0–4; multiword DMA modes 0–2 , and Ultra DMA mo des 0–6.
Momentus Product Manua l, Rev. C 23 5.2 Serial A T A device plug conn ector pin definitions T able 7 summarizes the signals on the Seri al A T A interface and power connecto rs. 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 blindmate connector only .
24 Momentus Product Manu al, Rev. C 5.3 Supported A T A commands The following t able list s Serial A T A standard comman ds that the drive supports. For a det ailed description of the A T A commands, refer to the Serial A T A: High S peed Serialized A T Attachment specification .
Momentus Product Manua l, Rev. C 25 S.M.A.R.T . Enabl e/Disabl e Autosave B0h/D2h S.M.A.R.T . Enabl e Ope rations B0h/D8h S.M.A.R.T . Enabl e/Disabl e Auto Offline B0h/D Bh S.M.A.R.T . Enabl e One Attribute Modification B0h /E0 h S.M.A.R.T . Execut e Offline B0h/D4h S.
26 Momentus Product Manu al, Rev. C 5.3.1 Identify D evice comman d The Identify Device command (command code EC H ) tran sfers information about 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.
Momentus Product Manua l, Rev. C 27 54 Number of current logical cylinders xxxx H 55 Number of current logical heads xxxx H 56 Number of current logi cal sectors per logica l track xxxx H 57–58 Curr.
28 Momentus Product Manu al, Rev. C 89 Security erase time 0045 H 90 Enhanced security erase time 0045 H 91 Current APM values 8080 H 92 Master password revision code FFFE H 93 Hardware reset value (see description follo wing this table) xxxx H 94 Auto acoustic management settin g xxxx H 95 S tream Min.
Momentus Product Manua l, Rev. C 29 Note. See the bit descriptio ns belo w for words 63, 88, 93 and 94 of the Identify Drive data: Description (if bit is set to 1) Bit Wor d 6 3 0 Multiword DMA mode 0 is supported . 1 Multiword DMA mode 1 is supported .
30 Momentus Product Manu al, Rev. C 5.3.2 Set Featu res command This command controls the implemen tation of various fe at ur es that the drive su pports. 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.
Momentus Product Manua l, Rev. C 31 5.3.3 S.M.A.R.T . commands S.M.A.R.T . provides near-term failure pre diction for disc drives. When S.M.A.R.T . is ena bled, the drive moni- tors predetermined drive attributes that are suscep t ible to degradation over time.
32 Momentus Product Manu al, Rev. C.
Momentus Product Manua l, Rev. C 33 Index A ACA 17 acoustics 5 , 15 Active m ode 12 Address 24 AFR 16 Agency certification 16 Altitude 13 Altitude, nonoperating 5 Altitude, operating 5 Ambient tempera.
34 Momentus Product Manu al, Rev. C gradient 5 Guaranteed sectors 4 , 6 guaranteed sector s 6 H handling 19 Handling precautions 19 heads 6 Height 4 height 7 humidity 5 I I/O data-transfer rate 4 , 7 .
Momentus Product Manua l, Rev. C 35 Read Verify Sectors Extended 24 Read Verify Sect ors without R etries 24 Read/write heads 6 Read/write power 4 read/write power and current 9 Recording density 4 , 7 Recording method 7 Recording technology 7 Relative humidity 5 , 13 Reliability 16 resistance 11 Retries 24 RF 15 RoHS 18 RPM 4 RRL 17 S S.
36 Momentus Product Manu al, Rev. C.
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Seagate T echnology LLC 920 Disc Drive, Scotts V alley , California 95066-4544, USA Publication Number: 1006279 37, Rev . C.
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Seagate ST9750423ASGを既にお持ちだが、まだ読んでいない場合は、上記の理由によりそれを行うべきです。そうすることにより機能を適切に使用しているか、又はSeagate ST9750423ASGの不適切な取り扱いによりその寿命を短くする危険を犯していないかどうかを知ることができます。
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