Page 4 - © 2003, 2004 Seagate Technology LLC All rights reserved
© 2003, 2004 Seagate Technology LLC All rights reserved Publication number: 100316029, Rev. A May 2004 Seagate and Seagate Technology are registered trademarks of Seagate Technology LLC. SeaBOARD, SeaFONE, SeaTDD, SeaTools, and the Wave logo are either registered trade-marks or trademarks of Seagate...
Page 5 - Revision status summary sheet; Revision
Revision status summary sheet Revision Date Sheets Affected Rev. A 05/03/2004 All.
Page 7 - Contents
Momentus 42 Product Manual, Rev. A v Contents 1.0 Introduction. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 2.0 Drive specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ....
Page 9 - vii; List of Figures
Momentus 42 Product Manual, Rev. A vii List of Figures Figure 1. Momentus 42 disc drive . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 Figure 2. Typical 5V startup and operation current profile . . . . . . . . . . . . . . . . . . . . . ....
Page 10 - viii
Page 11 - Introduction; These drives provide the following key features:
Momentus 42 Product Manual, Rev. A 1 1.0 Introduction This manual describes the functional, mechanical and interface specifications for the following Seagate ® Momentus™ 42 drives: • ST94019A • ST92014A • ST93015A These drives provide the following key features: • 4,200-RPM-class 1 performance spind...
Page 13 - Drive specifications; Specification summary; Specifications; Drive specification
Momentus 42 Product Manual, Rev. A 3 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 ST94019A, ST93015A, and ST9201...
Page 15 - LBA mode; Physical organization
Momentus 42 Product Manual, Rev. A 5 2.2 Formatted capacity 2.3 Default logical geometry LBA mode When addressing these drives in LBA mode, all blocks (sectors) are consecutively numbered from 0 to n–1, where n is the number of guaranteed sectors as defined above. 2.4 Physical organization Model For...
Page 16 - Technology
6 Momentus 42 Product Manual, Rev. A 2.5 Recording and interface technology 2.6 Physical characteristics Technology Specification Interface Parallel ATA Recording method RLL 0,11 Recording density BPI (bits/inch max) 642,000 (ST94019A and ST92014A) 577,000 (ST93015A) Track density TPI (tracks/inch m...
Page 17 - Seek time; *Measured in performance mode; Read; Average; Time to ready
Momentus 42 Product Manual, Rev. A 7 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 ...
Page 18 - Power specifications; • Read/write power and current; V typical amps
8 Momentus 42 Product Manual, Rev. A 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 nom...
Page 19 - Typical current profile; Figure 2. Typical 5V startup and operation current profile; Conducted noise
Momentus 42 Product Manual, Rev. A 9 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...
Page 21 - Environmental specifications
Momentus 42 Product Manual, Rev. A 11 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 conditi...
Page 23 - Acoustics; by the following equation:; Electromagnetic immunity; Drive level acoustics
Momentus 42 Product Manual, Rev. A 13 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 p...
Page 24 - Safety certification; Measurement type
14 Momentus 42 Product Manual, Rev. A 2.13 Reliability 2.14 Agency certification 2.14.1 Safety certification The drives are recognized in accordance with UL 1950 and CSA C22.2 (950) and meet all applicable sections of IEC950 and EN 60950 as tested by TUV North America. 2.14.2 Electromagnetic compati...
Page 27 - Configuring and mounting the drive; Handling and static discharge precautions; • Handle the drive only by its edges or frame.; Jumper settings; Master/slave configuration; The “Master or single drive” option is the factory default setting.
Momentus 42 Product Manual, Rev. A 17 3.0 Configuring and mounting the drive This section contains the specifications and instructions for configuring and mounting the drive. 3.1 Handling and static discharge precautions After unpacking, and before installation, the drive may be exposed to potential...
Page 28 - Drive mounting; • Use only M3 UNC mounting screws.
18 Momentus 42 Product Manual, Rev. A 3.2.2 Cable-select option Computers that use cable select determine the master and slave drives by selecting or deselecting pin 28, CSEL, on the interface bus. Master and slave drives are determined by their physical position on the cable. To enable cable select...
Page 29 - ATA interface; ATA interface signals and connector pins; Connector signals; Signal Name
Momentus 42 Product Manual, Rev. A 19 4.0 ATA interface These drives use the industry-standard ATA task file interface that supports 16-bit data transfers. It supports ATA programmed input/output (PIO) modes 0–4; multiword DMA modes 0–2, and Ultra DMA modes 0–5. The drive also supports the use of th...
Page 30 - Command name
20 Momentus 42 Product Manual, Rev. A 4.1.1 Supported ATA commands The following table lists ATA-standard commands that the drive supports. For a detailed description of the ATA commands, refer to the Draft ATA-6 Standard. See “S.M.A.R.T. commands” on page 26. for details and sub-commands used in th...
Page 32 - Identify Device command; The Identify Device command (command code EC
22 Momentus 42 Product Manual, Rev. A 4.1.2 Identify Device command The Identify Device command (command code EC H ) transfers information about the drive to the host following power up. The data is organized as a single 512-byte block of data, whose contents are shown in the table on page 27. All r...
Page 34 - xxxx
24 Momentus 42 Product Manual, Rev. A 129–159 Seagate-reserved xxxx H 160–254 ATA-reserved 0000 H 255 Integrity word xxA5 H Note. See the bit descriptions below for words 63, 88, 93 and 94 of the Identify Drive data. Description (if bit is set to 1) Bit Word 63 0 Multiword DMA mode 0 is supported. 1...
Page 36 - Code in features register
26 Momentus 42 Product Manual, Rev. A 4.1.4 S.M.A.R.T. commands S.M.A.R.T. provides near-term failure prediction for disc drives. When S.M.A.R.T. is enabled, the drive moni-tors predetermined drive attributes that are susceptible to degradation over time. If self-monitoring determines that a failure...
Page 37 - Seagate Technology support services; Online Services; Internet; Automated Phone Services; SeaFONE; Presales, Technical Support and Warranty Service; Presales Support
Momentus 42 Product Manual, Rev. A 27 5.0 Seagate Technology support services Online Services Internet www.seagate.com for information about Seagate products and services. Worldwide support is available 24 hours daily by e-mail for your questions. Presales Support: www.seagate.com/support/email/emai...
Page 39 - USA/Canada/Latin America Support Services; Hours of operation are 8:00
Momentus 42 Product Manual, Rev. A 29 USA/Canada/Latin America Support Services Presales Support Call Center Toll-free Direct dial FAX Americas 1-877-271-3285 1 +1-405-324-4730 1 +1-405-324-4704 Technical Support Call Center Toll-free Direct dial FAX Americas 1-800-SEAGATE 2 +1-405-324-4700 3 +1-405...
Page 40 - European Support Services; Toll-Free Support Numbers; Call Center; Africa/Middle East Support Services
30 Momentus 42 Product Manual, Rev. A European Support Services For presales and technical support in Europe, dial the toll-free number for your specific location. If your location is not listed here, dial our presales and technical support call center at +1-405-324-4714 from 8:00 A . M . to 11:45 A...
Page 41 - Asia/Pacific Support Services; Warranty Service; Hours of operation are 8:30
Momentus 42 Product Manual, Rev. A 31 Asia/Pacific Support Services For Asia/Pacific presales and technical support, dial the toll-free number for your specific location. The Asia/Pacific toll-free numbers are available from 6:00 A . M . to 10:45 A . M . and 12:00 P . M . to 6:00 P . M . (Australian...
Page 43 - Index; Numerics
Momentus 42 Product Manual, Rev. A 33 Index Numerics 3D Defense System 1 A acoustics 13 Active mode 10 adio frequency (RF) 13 agency certification (regulatory) 14 altitude 11 ambient conditions 3 ambient temperature 7 , 11 areal density 1 , 6 ATA interface 19 ATA-standard commands 20 Australian C-Ti...
