Seagate ST92014A Specifikace

Momentus 42ST94019AST93015AST92014A

viii Momentus 42 Product Manual, Rev. A

Momentus 42 Product Manual, Rev. A 11.0 IntroductionThis manual describes the functional, mechanical and interface specifications for the following Se

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Momentus 42 Product Manual, Rev. A 32.0 Drive specificationsUnless otherwise noted, all specifications are measured under ambient conditions, at 25°C,

4 Momentus 42 Product Manual, Rev. A*During periods of drive idle, some offline activity may occur according to the S.M.A.R.T. specification, which ma

Momentus 42 Product Manual, Rev. A 52.2 Formatted capacity 2.3 Default logical geometryLBA mode When addressing these drives in LBA mode, all bloc

6 Momentus 42 Product Manual, Rev. A2.5 Recording and interface technology 2.6 Physical characteristics Technology SpecificationInterface Parallel A

Momentus 42 Product Manual, Rev. A 72.7 Seek timeSeek measurements are taken with nominal power at 25°C ambient temperature. All times are measured us

8 Momentus 42 Product Manual, Rev. A2.9 Power specificationsThe drive receives DC power (+5V) through the interface connector.2.9.1 Power consumptionP

Momentus 42 Product Manual, Rev. A 92.9.1.1 Typical current profileFigure 2. Typical 5V startup and operation current profile2.9.2 Conducted noiseInpu

10 Momentus 42 Product Manual, Rev. A2.9.4 Power-management modesThe drive provides programmable power management to provide greater energy efficiency

Momentus 42 Product Manual, Rev. A 112.10 Environmental specifications2.10.1 Ambient temperatureAmbient temperature is defined as the temperature of t

12 Momentus 42 Product Manual, Rev. A2.10.5 ShockAll shock specifications assume that the drive is mounted securely with the input shock applied at th

Momentus 42 Product Manual, Rev. A 132.11 AcousticsDrive acoustics are measured as overall A-weighted acoustic sound power levels (no pure tones). All

14 Momentus 42 Product Manual, Rev. A2.13 Reliability 2.14 Agency certification2.14.1 Safety certificationThe drives are recognized in accordance wit

Momentus 42 Product Manual, Rev. A 15Korean RRLIf these drives have the Korea Ministry of Information and Communication (MIC) logo, they comply with p

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Momentus 42 Product Manual, Rev. A 173.0 Configuring and mounting the driveThis section contains the specifications and instructions for configuring a

18 Momentus 42 Product Manual, Rev. A3.2.2 Cable-select optionComputers that use cable select determine the master and slave drives by selecting or de

Momentus 42 Product Manual, Rev. A 194.0 ATA interfaceThese drives use the industry-standard ATA task file interface that supports 16-bit data transfe

Momentus 42ST94019AST93015AST92014A

20 Momentus 42 Product Manual, Rev. A4.1.1 Supported ATA commandsThe following table lists ATA-standard commands that the drive supports. For a detail

Momentus 42 Product Manual, Rev. A 21Security Unlock F2HSeek 70HSet Drive Parameters 91HSet Features EFHSet Max Address F9HNote: Individual Set Max co

22 Momentus 42 Product Manual, Rev. A4.1.2 Identify Device commandThe Identify Device command (command code ECH) transfers information about the drive

Momentus 42 Product Manual, Rev. A 2354 Number of current logical cylinders xxxxH55 Number of current logical heads xxxxH56 Number of current logica

24 Momentus 42 Product Manual, Rev. A129–159Seagate-reserved xxxxH160–254ATA-reserved 0000H255 Integrity word xxA5HNote. See the bit descriptions belo

Momentus 42 Product Manual, Rev. A 254.1.3 Set Features commandThis command controls the implementation of various features that the drive supports. W

26 Momentus 42 Product Manual, Rev. A4.1.4 S.M.A.R.T. commandsS.M.A.R.T. provides near-term failure prediction for disc drives. When S.M.A.R.T. is ena

Momentus 42 Product Manual, Rev. A 275.0 Seagate Technology support servicesOnline ServicesInternetwww.seagate.com for information about Seagate produ

28 Momentus 42 Product Manual, Rev. AWarranty ServiceSeagate offers worldwide customer support for Seagate drives. Seagate distributors, OEMs and othe

Momentus 42 Product Manual, Rev. A 29USA/Canada/Latin America Support ServicesPresales SupportCall Center Toll-free Direct dial FAXAmericas 1-877-271-

© 2003, 2004 Seagate Technology LLC All rights reserved Publication number: 100316029, Rev. A May 2004Seagate and Seagate Technology are registered t

30 Momentus 42 Product Manual, Rev. AEuropean Support ServicesFor presales and technical support in Europe, dial the toll-free number for your specifi

Momentus 42 Product Manual, Rev. A 31Asia/Pacific Support ServicesFor Asia/Pacific presales and technical support, dial the toll-free number for your

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Momentus 42 Product Manual, Rev. A 33IndexNumerics3D Defense System 1Aacoustics 13Active mode 10adio frequency (RF) 13agency certification (re

34 Momentus 42 Product Manual, Rev. AIEC950 14Information Technology Equipment 14Initialize Device Parameters 20interface 6, 19interface sig

Momentus 42 Product Manual, Rev. A 35Seeking 8Service Life 14servo electronics 8Set Features 21Set Features command 25Set Max 21Set Multip

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Seagate Technology LLC920 Disc Drive, Scotts Valley, California 95066-4544, USAPublication Number: 100316029, Rev. A, Printed in USA

Revision status summary sheetRevision Date Sheets AffectedRev. A 05/03/2004 All.

Momentus 42 Product Manual, Rev. A vContents1.0 Introduction. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

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Momentus 42 Product Manual, Rev. A viiList of FiguresFigure 1. Momentus 42 disc drive . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .