Manual de instrucciones de Seagate MOMENTUS ST94813A

Manual de instrucciones del aparato Seagate MOMENTUS ST94813A

Aparato: Seagate MOMENTUS ST94813A
Categoría: Lector CD
Fabricante: Seagate
Tamaño: 0.84 MB
Fecha de añadido: 3/2/2013
Número de páginas: 50
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Resumen del contenido incluido en la página 1

Product Manual
®
Momentus 5400.2
ST9120821A
ST9100824A
ST98823A
ST96812A
ST94813A
ST93811A
100367120
Rev. B
August 2007

Resumen del contenido incluido en la página 2

©2004-2007, Seagate Technology LLC All rights reserved. Publication number: 100367120, Rev. B August 2007 Seagate, Seagate Technology and the Wave logo are registered trademarks of Seagate Technology LLC in the United States and/or other countries. Momentus, Seagate- SeaBOARD, SeaFONE, SeaTDD, and SeaTools are either trademarks or registered trade- marks of Seagate Technology LLC or one of its affiliated companies in the United States and/ or other countries. All other trademarks or registere

Resumen del contenido incluido en la página 3

Contents 1.0 Introduction. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 2.0 Drive specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 2.1 Specification summary . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 2.2 Formatted capacity . . . . . . . . . . . . . . . . . .

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ii Momentus 5400.2 PATA Product Manual, Rev. B

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List of Figures Figure 1. Momentus 5400.2 PATA disc drive . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 Figure 2. Typical 5V startup and operation current profile . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9 Figure 3. Jumper settings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18 Figure 4. Mounting dimensions—top, side and end view . . . . . . . . .

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iv Momentus 5400.2 PATA Product Manual, Rev. B

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1.0 Introduction ® This manual describes the functional, mechanical and interface specifications for the following Seagate ® Momentus 5400.2 drives: � ST9120821A � ST9100824A � ST98823A � ST96812A � ST94813A � ST93811A These drives provide the following key features: � 5,400-RPM spindle speed and 8-Mbyte buffer combine for superior performance. � Quiet operation. Fluid Dynamic Bearing (FDB) motor. � High instantaneous (burst) data transfer rates (up to 100 Mbytes per second) using Ultra DMA mode

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2 Momentus 5400.2 PATA Product Manual, Rev. B

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2.0 Drive specifications Unless otherwise noted, all specifications are measured under ambient conditions, at 25°C, and nominal power. For convenience, the phrases the drive and this drive are used throughout this manual to indicate ST9120821A, ST9100824A, ST98823A, ST96812A, ST94813A and ST93811A model drives. 2.1 Specification summary The specifications listed in this table are for quick reference. For details on specification measurement or definition, see the appropriate section of this

Resumen del contenido incluido en la página 10

Table 1: Specifications Drive specification ST9120821A ST9100824A ST98823A ST96812A ST94813A ST93811A Average seek time (msec typical) 12.5 Average seek, read (msec typical) 12.5 Average seek, write (msec typical) 14.5 Full-stroke seek (msec) 22 (typical); 24 (max) Seek power (typical) 2.0 watts Read/write power (typical) Read: 1.8 watts; Write: 1.8 watts Idle mode (typical, low power) 0.80 watts Standby mode 0.26 watts (typical)** Sleep mode 0.26 watts (typical)** Voltage tolerance 5V ± 5% (in

Resumen del contenido incluido en la página 11

Table 1: Specifications Drive specification ST9120821A ST9100824A ST98823A ST96812A ST94813A ST93811A Service life 5 years 5 years on distribution units. To determine the warranty for a specific drive, use a web browser to access the following web page: www.seagate.com/support/service/ Warranty From this page, click on the “Verify Your Warranty” link. You will be asked to provide the drive serial number, model number (or part number) and country of purchase. The system will display the war- ran

Resumen del contenido incluido en la página 12

2.5 Recording and interface technology Technology Specification Interface Parallel ATA Recording method RLL 0,11 Recording density BPI (bits/inch typical) 778k Track density TPI (tracks/inch typical) 126k 2 Areal density (Gbits/inch max) 98.2 Spindle speed (RPM) (± 0.2%) 5,400 Internal data-transfer rate OD (Mbytes/sec max) 42 I/O data-transfer rate (Mbytes/sec max) 100 (Ultra DMA mode 5) Interleave 1:1 Cache buffer 8 Mbytes (8,192 kbytes) 2.6 Physical characteristics Height (mm) 9.5 +/–0.2

Resumen del contenido incluido en la página 13

2.7 Seek time Seek measurements are taken with nominal power at 25°C ambient temperature. All times are measured using drive diagnostics. The specifications below are defined as follows: � Track-to-track seek time is an average of all possible single-track seeks in both directions. � Average seek time is a true statistical random average of at least 5,000 measurements of seeks between random tracks, less overhead. Typical seek times (msec)* Read Write Track-to-track 1.0 1.5 Average 12.5 14.5

Resumen del contenido incluido en la página 14

2.9 Power specifications The drive receives DC power (+5V) through the interface connector. 2.9.1 Power consumption Power requirements for the drives are listed in the table on page 8. Typical power measurements are based on an average of drives tested, under nominal conditions, at 25°C ambient temperature. • Spinup power Spinup power is measured from the time of power-on to the time that the drive spindle reaches operating speed. � Seek mode During seek mode, the read/write actuator arm moves

Resumen del contenido incluido en la página 15

2.9.1.1 Typical current profile Figure 2. Typical 5V startup and operation current profile 2.9.2 Conducted noise Input noise ripple is measured at the host system power supply across an equivalent 15-ohm resistive load on the +5 volt line. Using 5-volt power, the drive is expected to operate with a maximum of 100 mV peak-to-peak square-wave injected noise at up to 10 MHz. Note. Equivalent resistance is calculated by dividing the nominal voltage by the typical RMS read/write current. 2.9.3 Volt

Resumen del contenido incluido en la página 16

2.9.4 Power-management modes The drive provides programmable power management to provide greater energy efficiency. In most systems, you can control power management through the system setup program. The drive features the following power-management modes: Table 3: Power management modes Power modes Heads Spindle Buffer Active (operating) Tracking Rotating Full power Idle, performance Tracking Rotating Self refresh—low power Idle, active Floating Rotating Self refresh—low power Idle, low power

Resumen del contenido incluido en la página 17

2.10 Environmental specifications 2.10.1 Ambient temperature Ambient temperature is defined as the temperature of the environment immediately surrounding the drive. Actual drive case temperature should not exceed 65°C (149°F) within the operating ambient conditions. Above 1,000 feet (305 meters), the maximum temperature is derated linearly by 1°C every 1000 feet. Operating 5° to 55°C (41° to 131°F) Nonoperating –40° to 70°C (–40° to 158°F) 2.10.2 Temperature gradient Operating 20°C per hour

Resumen del contenido incluido en la página 18

2.10.5 Shock All shock specifications assume that the drive is mounted securely with the input shock applied at the drive mounting screws. Shock may be applied in the X, Y or Z axis. 2.10.5.1 Operating shock These drives comply with the performance levels specified in this document when subjected to a maximum operating shock of 250 Gs based on half-sine shock pulses of 2 msec. Shocks should not be repeated more than two times per second. 2.10.5.2 Nonoperating shock The nonoperating shock leve

Resumen del contenido incluido en la página 19

2.11 Acoustics Drive acoustics are measured as overall A-weighted acoustic sound power levels (no pure tones). All mea- surements are consistent with ISO document 7779. Sound power measurements are taken under essentially free-field conditions over a reflecting plane. For all tests, the drive is oriented with the cover facing upward. Note. For seek mode tests, the drive is placed in seek mode only. The number of seeks per second is defined by the following equation: (Number of seeks per secon

Resumen del contenido incluido en la página 20

2.13 Reliability Measurement type Specification 14 Nonrecoverable read errors 1 per 10 bits read, max. Annualized Failure Rate (AFR) 0.73% Load/Unload (U/UL) 25°C, 50% relative humidity 600,000 software-controlled power on/off cycles 20,000 hard power on/off cycles 32°C, 80% relative humidity 600,000 software-controlled power on/off cycles 5°C, 80% relative humidity 20,000 hard power on/off cycles 5°C, 10% relative humidity 55°C, 16% relative humidity Service Life 5 years Wa


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