Seagate MOMENTUS ST96023AS user manual

User manual for the device Seagate MOMENTUS ST96023AS

Device: Seagate MOMENTUS ST96023AS
Category: Computer Drive
Manufacturer: Seagate
Size: 0.73 MB
Added : 3/2/2013
Number of pages: 46
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Abstracts of contents
Summary of the content on the page No. 1

Product Manual
Momentus 7200.1 SATA
ST910021AS
ST980825AS
ST96023AS
ST94015AS
100320528
Rev. B
August 2007

Summary of the content on the page No. 2

©2004-2007, Seagate Technology LLC All rights reserved. Publication number: 100320528, 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

Summary of the content on the page No. 3

Contents 1.0 Introduction. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 1.1 About the Serial ATA (SATA) interface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 2.0 Drive specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 2.1 Specification summary table . . . . . . . . . . . . . . . . . .

Summary of the content on the page No. 4

ii Momentus 7200.1 SATA Product Manual, Rev. B

Summary of the content on the page No. 5

List of Figures Figure 1. Typical 5V startup and operating current profile . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9 Figure 2. Serial ATA connectors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20 Figure 3. Attaching SATA cabling . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20 Figure 4. Mounting dimensions—top, side and end view . . . . . . .

Summary of the content on the page No. 6

Summary of the content on the page No. 7

1.0 Introduction This manual describes the functional, mechanical and interface specifications for the following Seagate ® Momentus 7200.1 SATA model drives: � ST910021AS � ST980825AS � ST96023AS � ST94015AS These drives provide the following key features: � 7,200 RPM spindle speed � 8 Mbyte buffer � High instantaneous (burst) data-transfer rates (up to 150 Mbytes per second). � Tunneling Magnetoresistive (TMR) recording heads. � State-of-the-art cache and on-the-fly error-correction algorithms

Summary of the content on the page No. 8

1.1 About the Serial ATA (SATA) interface The Serial ATA interface provides several advantages over the traditional (parallel) ATA interface. The primary advantages include: � Easy installation and configuration with true plug-and-play connectivity. It is not necessary to set any jump- ers or other configuration options. � Thinner and more flexible cabling for improved enclosure airflow and ease of installation. � Scalability to higher performance levels. In addition, Serial ATA makes the trans

Summary of the content on the page No. 9

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 the ST910021AS, ST980825AS, ST96023AS, and ST94015AS models. 2.1 Specification summary table The specifications listed in this table are for quick reference. For details on specification measurement or defi- nition, see the appropriate section of this manual. Tabl

Summary of the content on the page No. 10

Table 1: Drive specifications Drive specification ST910021AS ST980825AS ST96023AS ST94015AS Track-to-track seek time (msec typical) 1.5 (read), 2.0 (write) Average seek, read (msec typical) 10.5 Average seek, write (msec typical) 12.5 Seek power (typical) 2.6 watts Operating power (typical) 2.4 watts Idle mode, low power (typical) 0.95 watts Standby mode (typical) 0.28 watts** Sleep mode 0.28 watts** Voltage tolerance (including noise) +5V ± 5% / -8% startup Ambient temperature 5° to 55°C (op.

Summary of the content on the page No. 11

Table 1: Drive specifications Drive specification ST910021AS ST980825AS ST96023AS ST94015AS Supports Hotplug operation per SATA II spec- Yes ification *During periods of drive idle, some offline activity may occur according to the S.M.A.R.T. specification, which may increase acoustic and power to operational levels. **Typical notebooks will pull power to the drive when entering S3 and S4; while in the S3 and S4 states, drive sleep and drive standby modes will not contribute to battery power co

Summary of the content on the page No. 12

2.4 Physical organization Drive model Read/write heads Number of discs ST910021AS 4 2 ST980825AS 4 2 ST96023AS 3 2 ST94015AS 2 1 2.5 Recording and interface technology Interface Serial ATA (SATA) Recording method 16/17 EPRML Recording density BPI (bits/inch max) 700,000 Track density TPI (tracks/inch max) 114,000 2 Areal density (Mbits/inch max) 81 Spindle speed (RPM) (± 0.2%) 7,200 Maximum Internal transfer rate (Mbits/sec) 539 Sustained transfer rate OD (Mbytes/sec max) 45.8 I/O data-transf

Summary of the content on the page No. 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 in the table 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. Table 2: Typical seek times *Typical seek times (msec) Read Write

Summary of the content on the page No. 14

2.9 Power specifications The drive receives DC power (+5V) through a native SATA power connector. 2.9.1 Power consumption Power requirements for the drives are listed in Table 3, 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 m

Summary of the content on the page No. 15

2.9.1.1 Typical current profiles Figure 1. Typical 5V startup and operating current profile 2.9.2 Deferred spinup Momentus 7200.1 SATA drives provide a deferred spinup feature which storage subsystem controllers can use to sequence disc drive initialization. This is beneficial to systems which include multiple Serial ATA hard disc drives because it allows subsystem controllers to stagger the spinup of each drive to accommodate available power supply current. This feature does not impact time-

Summary of the content on the page No. 16

2.9.3 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. 2.9.4 Voltage tolerance Voltage tolerance (including noise): 5V ± 5% 2.9.5 Power-management modes Th

Summary of the content on the page No. 17

� Idle and Standby timers Each time the drive performs an Active function (read, write or seek), the standby timer is reinitialized and begins counting down from its specified delay times to zero. If the standby timer reaches zero before any drive activity is required, the drive makes a transition to Standby mode. In both Idle and Standby mode, the drive accepts all commands and returns to Active mode when disc access is necessary. 2.10 Environmental specifications 2.10.1 Ambient temperature

Summary of the content on the page No. 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

Summary of the content on the page No. 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. 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 s

Summary of the content on the page No. 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) 40°C, 50% relative humidity 600,000 software-controlled power on/off cycles 20,000 hard power on/off cycles 32°C, 80% relative humidity 100,000 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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