Page 2 - ©2007, Seagate Technology LLC All rights reserved.
©2007, Seagate Technology LLC All rights reserved. Publication number: 100384290, Rev. E August 2007 Seagate, Seagate Technology and the Wave logo are registered trademarks of Seagate Technology LLC in the United States and/or other countries. EE25 Series, SeaTools and SeaTDD are either trademarks o...
Page 3 - Contents
EE25 Series Product Manual, Rev. E i Contents 1.0 Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 2.0 Drive specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...
Page 4 - ii
Page 5 - iii; List of Figures
EE25 Series Product Manual, Rev. E iii List of Figures Figure 1. Typical 5V startup and operation current profile . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12 Figure 2. Temperature vs. altitude capability . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ....
Page 6 - iv
Page 7 - Introduction
EE25 Series Product Manual, Rev. E 1 1.0 Introduction This manual describes the functional, mechanical and interface specifications for the following Seagate ® EE25 Series drives: These drives provide the following key features: • Extreme operating environment capabilities: • 5,400-RPM spindle speed...
Page 9 - Drive specifications; Specification summary
EE25 Series Product Manual, Rev. E 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 ST940813AM, ST940814AM, ST9308...
Page 10 - Specifications for 40 and 30 Gbyte models; Drive specification
4 EE25 Series Product Manual, Rev. E Table 1: Specifications for 40 and 30 Gbyte models Drive specification ST940813AM (OEM) ST940814AM (Aftermarket) ST930813AM (OEM) ST930814AM (Aftermarket) Formatted (512 bytes/sector)* 40 Gbytes 30 Gbytes Guaranteed sectors 78,140,160 58,605,120 Bytes per sector ...
Page 12 - Specifications for 20 Gbyte models
6 EE25 Series Product Manual, Rev. E Table 2: Specifications for 20 Gbyte models Drive specification ST920813AM (OEM) ST920814AM (Aftermarket) Formatted (512 bytes/sector)* 20 Gbytes Guaranteed sectors 39,070,080 Bytes per sector 512 Physical read/write heads 1 Discs 1 Cache 8 Mbytes Recording densi...
Page 14 - LBA mode; Physical organization
8 EE25 Series Product Manual, Rev. E 2.2 Formatted capacity *One Gbyte equals one billion bytes when referring to hard drive capacity. Accessible capacity may vary depending on operating environment and formatting. 2.3 Default logical geometry LBA mode When addressing these drives in LBA mode, all b...
Page 15 - Technology
EE25 Series Product Manual, Rev. E 9 2.5 Recording and interface technology 2.6 Physical characteristics 2.7 Seek time Seek measurements are taken with nominal power. All times are measured using drive diagnostics. The spec-ifications below are defined as follows: • Track-to-track seek time is an av...
Page 17 - Power specifications; Power consumption
EE25 Series Product Manual, Rev. E 11 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 11. Typical power measurements are based on an average of drives tested, under n...
Page 18 - Typical current profile; Figure 1. Typical 5V startup and operation current profile; Conducted noise
12 EE25 Series Product Manual, Rev. E 2.9.1.1 Typical current profile Figure 1. 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, th...
Page 20 - Environmental specifications; Ambient temperature; ambient conditions.; Temperature gradient; Altitude
14 EE25 Series Product Manual, Rev. E 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, measured on baseplate, should not exceed 90°C (194°F) within the o...
Page 21 - Figure 2. Temperature vs. altitude capability; Shock
EE25 Series Product Manual, Rev. E 15 Figure 2. Temperature vs. altitude capability 2.11.1 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. 2.11.1.1 Operating shock These dr...
Page 22 - Acoustics; Acoustic mode
16 EE25 Series Product Manual, Rev. E 2.11.2 Vibration All vibration specifications assume that the drive is mounted securely with the input vibration applied at the drive mounting screws. Vibration may be applied in the X, Y or Z axis. 2.11.2.1 Operating vibration The following table lists the maxi...
Page 24 - Agency certification; Safety certification; • EUT name: EE25 Series; FCC verification
18 EE25 Series Product Manual, Rev. E 2.15 Agency certification 2.15.1 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. 2.15.2 Electromagnetic compatibility Hard drive...
Page 25 - Environmental protection; European Union Restriction of Hazardous Substances (RoHS); Corrosive environment
EE25 Series Product Manual, Rev. E 19 Radio and television interference. This equipment generates and uses radio frequency energy and if not installed and used in strict accordance with the manufacturer’s instructions, may cause interference to radio and television reception. This equipment is desig...
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 “Drive is master (or single drive)” option is the default setting.; Figure 3. Jumper settings
EE25 Series Product Manual, Rev. E 21 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; Figure 4. Mounting dimensions—top, side and end view
22 EE25 Series Product Manual, Rev. E 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; Signal Name
EE25 Series Product Manual, Rev. E 23 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 - Supported ATA commands; Command name
24 EE25 Series Product Manual, Rev. E 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 ATA-6 Standard. Command name Command code (in hex) ATA-standard commands ATA Device Configuration O...
Page 32 - Identify Device command; The Identify Device command (command code EC; Word
26 EE25 Series Product Manual, Rev. E 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, shown below, is organized as a single 512-byte block of data. All reserved bits or words should be set ...
Page 35 - Set Features command
EE25 Series Product Manual, Rev. E 29 4.1.3 Set Features command This command controls the implementation of various features that the drive supports. When the drive receives this command, it sets BSY, checks the contents of the Features register, clears BSY and generates an inter-rupt. If the value...
Page 37 - Seagate Technology support services; Internet; For information regarding Seagate products and services, visit; Seagate Service Centers; Presales Support; Seagate technical support is available to assist you online at
EE25 Series Product Manual, Rev. E 31 5.0 Seagate Technology support services Internet For information regarding Seagate products and services, visit www.seagate.com . Worldwide support is available 24 hours daily by email for your questions. Presales Support: [email protected] Technical Support:...
Page 38 - Customer Service Operations; Warranty Service; USA/Canada/Latin America support services; Direct dial; and Mexico; Europe, the Middle East and Africa Support Services
32 EE25 Series Product Manual, Rev. E Customer Service Operations Warranty Service Seagate offers worldwide customer support for Seagate products. Seagate distributors, OEMs and other direct customers should contact their Seagate Customer Service Operations (CSO) representative for warranty-related ...
Page 39 - Index; Numerics
EE25 Series Product Manual, Rev. E 33 Index Numerics 3D Defense System 1 A acoustics 16 Active mode 13 agency certification (regulatory) 18 altitude 14 ambient conditions 3 ambient temperature 14 areal density 9 ATA interface 23 ATA-standard commands 24 Australian C-Tick 18 autodetection 1 average s...
