Page 3 - Contents
LD25 Series PATA Product Manual, Rev. C i Contents 1.0 Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 2.0 Drive specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ....
Page 4 - ii
Page 5 - iii; List of Figures
LD25 Series PATA Product Manual, Rev. C iii List of Figures Figure 1. Jumper settings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17 Figure 2. Mounting dimensions—top, side and end view . . . . . . . . . . . . . . . . . . . . ...
Page 6 - iv
Page 7 - Introduction
LD25 Series PATA Product Manual, Rev. C 1 1.0 Introduction This manual describes the functional, mechanical and interface specifications for the following Seagate ® LD25 Series drives: • ST9402115A • ST920217A Seagate LD25 Series drives comprise a new product category of 2.5-inch form factor drives ...
Page 9 - Drive specifications; Specification summary; Specifications; Drive specification
LD25 Series PATA Product Manual, Rev. C 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 ST9402115A and ST920217A ...
Page 11 - LBA mode; Physical organization
LD25 Series PATA Product Manual, Rev. C 5 2.2 Formatted capacity *One Gbyte equals one billion bytes when referring to hard drive capacity. Accessible capacity may vary depending on operating environ- ment and formatting. 2.3 Default logical geometry LBA mode When addressing these drives in LBA mode...
Page 12 - Read
6 LD25 Series PATA Product Manual, Rev. C 2.6 Physical characteristics 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 o...
Page 13 - Power specifications; Power consumption; DC power; Power dissipation
LD25 Series PATA Product Manual, Rev. C 7 2.9 Power specifications The drive receives DC power (+5V) through the 4-pin power connector. 2.9.1 Power consumption Power requirements for the drives are listed in the table on page 7. Typical power measurements are based on an average of drives tested, un...
Page 14 - Typical current profile; Figure 1. Typical 5V startup and operation current profile; Conducted noise
8 LD25 Series PATA Product Manual, Rev. C 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...
Page 16 - Environmental specifications
10 LD25 Series PATA Product Manual, Rev. C 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 co...
Page 18 - Acoustics; Electromagnetic immunity; Drive level acoustics
12 LD25 Series PATA Product Manual, Rev. C 2.11 Acoustics Drive acoustics are measured as overall A-weighted acoustic sound power levels. All measurements are con-sistent with ISO document 7779. Sound power measurements are taken under essentially free-field conditions over a reflecting plane. For a...
Page 19 - Safety certification; Measurement type
LD25 Series PATA Product Manual, Rev. C 13 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 co...
Page 21 - Environmental protection; European Union Restriction of Hazardous Substances (RoHS); Corrosive environment
LD25 Series PATA Product Manual, Rev. C 15 2.15 Environmental protection Seagate designs its products to meet environmental protection requirements worldwide, including regulations restricting certain chemical substances. 2.15.1 European Union Restriction of Hazardous Substances (RoHS) A new law, th...
Page 23 - 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.; Figure 2. Jumper settings
LD25 Series PATA Product Manual, Rev. C 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 pote...
Page 25 - Drive mounting; Dimensions shown below are in inches.; Figure 3. Mounting dimensions—top, side and end view
LD25 Series PATA Product Manual, Rev. C 19 3.3 Drive mounting You can mount the drive using four screws in the side-mounting holes or four screws in the bottom-mounting holes. See Figure 3 for drive mounting dimensions (dimensions in inches with mm in parentheses). Follow these important mounting pr...
Page 27 - ATA interface; ATA interface signals and connector pins; Connector signals; Signal Name
LD25 Series PATA Product Manual, Rev. C 21 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 ...
Page 28 - Command name
22 LD25 Series PATA Product Manual, Rev. C 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... Table 7: Supported commands Command name Command code (in hex) ATA-sta...
Page 29 - ATA-standard security commands; Supported commands
LD25 Series PATA Product Manual, Rev. C 23 Security Unlock F2 H Seek 70 H Set Drive Parameters 91 H Set Features EF H Set Max Address F9 H Note: Individual Set Max com-mands are identified by the value placed in the Set Max Features register as defined to the right. Address Password Lock Unlock Free...
Page 31 - Identify Device command; The Identify Device command (command code EC; Word
LD25 Series PATA Product Manual, Rev. C 25 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 Table 7 on page 22. Al...
Page 35 - 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
LD25 Series PATA Product Manual, Rev. C 29 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 Sup...
Page 36 - Customer Service Operations; Warranty Service; USA/Canada/Latin America support services; Direct dial; and Mexico; Europe, the Middle East and Africa Support Services
30 LD25 Series PATA Product Manual, Rev. C 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-rel...
Page 37 - Index; Numerics
LD25 Series PATA Product Manual, Rev. C 31 Index Numerics 3D Defense System 1 A acoustics 12 Active mode 9 AFR 13 agency certification (regulatory) 13 altitude 10 ambient conditions 3 ambient temperature 6 , 10 Annualized Failure Rate 13 areal density 5 ATA interface 21 ATA-standard commands 22 Aust...
