Seagate 2.5-inch, Low-profile Disc Drives LD25 Series Product Manual
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Seagate 2.5-inch, Low-profile Disc Drives LD25 Series Product Manual

Seagate 2.5-inch, Low-profile Disc Drives LD25 Series Product Manual

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Product Manual
LD25 Series
ST9402115A
ST920217A
100371274
Rev. C
August 2007

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Summary of Contents for Seagate 2.5-inch, Low-profile Disc Drives LD25 Series

  • Page 1 Product Manual LD25 Series ST9402115A ST920217A 100371274 Rev. C August 2007...
  • Page 2 ©2005-2007, Seagate Technology LLC All rights reserved. Publication number: 100371274, Rev. C August 2007 Seagate, Seagate Technology and the Wave logo are registered trademarks of Seagate Technology LLC in the United States and/or other countries. LD25 Series, SeaTools and SeaTDD are either trademarks or registered trademarks of Seagate Technology LLC or one of its affiliated companies in the United States and/or other countries.

  • Page 3: Table Of Contents

    Introduction..............1 Drive specifications .
  • Page 4 LD25 Series PATA Product Manual, Rev. C...

  • Page 5: List Of Figures

    Figure 1. Jumper settings ............17 Figure 2.
  • Page 6 LD25 Series PATA Product Manual, Rev. C...

  • Page 7: Introduction

    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 designed for non- notebook PC applications such as: •...
  • Page 8 LD25 Series PATA Product Manual, Rev. C...

  • Page 9: Drive Specifications

    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 model drives. Specification summary The specifications listed in this table are for quick reference.
  • Page 10 Table 1: Specifications Drive specification Full-stroke seek (msec) Startup current 5V (amps typical) (max = +/- 10%) Seek power, random r/w, desktop usage (watts, typical) Idle mode (watts, typical) Standby and sleep modes (watts, typical) Voltage tolerance (including noise) Ambient temperature Temperature gradient (°C per hour max, noncondensing) Relative humidity...

  • Page 11: Formatted Capacity

    Formatted capacity Model Formatted capacity* ST9402115A 40 Gbytes ST920217A 20 Gbytes *One Gbyte equals one billion bytes when referring to hard drive capacity. Accessible capacity may vary depending on operating environ- ment and formatting. Default logical geometry Cylinders Read/write heads 16,383 LBA mode When addressing these drives in LBA mode, all blocks (sectors) are consecutively numbered from 0 to n–1,...

  • Page 12: Physical Characteristics

    Physical characteristics Height (mm) (inches) Width (mm) (inches) Length (mm) (inches) Typical weight (grams) (pounds) 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: •...

  • Page 13: Power Specifications

    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, under nominal conditions, at 25°C ambient temperature. •...

  • Page 14: Conducted Noise

    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, the drive is expected to operate with a maximum of 100 mV peak-to-peak square-wave injected noise at up to 10 MHz.

  • Page 15: Power-Management Modes

    2.9.4 Power-management modes The drive provides programmable power management to provide greater energy efficiency. In most systems, you can control power management through the system setup program. The drive features the following power-management modes: Table 3: Power management modes Power modes Heads Active (operating) Tracking...

  • Page 16: Environmental Specifications

    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 conditions. Above 1,000 feet (305 meters), the maximum temperature is derated linearly by 1°C every 1000 feet. Operating 5°...

  • Page 17: Shock

    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 100 Gs based on half-sine shock pulses of 2 msec.

  • Page 18: Acoustics

    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 all tests, the drive is oriented with the cover facing upward. Note.

  • Page 19: Reliability

    2.13 Reliability Measurement type Nonrecoverable read errors Annualized Failure Rate (AFR) Load/Unload (L/UL) Controlled L/UL cycles (40°C, 50% Relative Humidity) Emergency L/UL cycles (40°C, 50% Relative Humidity) Service Life Warranty 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.

  • Page 20: Fcc Verification

    Korean RRL If these drives have the Korea Ministry of Information and Communication (MIC) logo, they comply with para- graph 1 of Article 11 of the Electromagnetic Compatibility control Regulation and meet the Electromagnetic Compatibility (EMC) Framework requirements of the Radio Research Laboratory (RRL) Ministry of Information and Communication Republic of Korea.

  • Page 21: Environmental Protection

    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, the European Union Restriction of Hazardous Substances (RoHS) directive, will restrict the pres- ence of chemical substances, including Lead (Pb), in electronic products effective July 2006.
  • Page 22 LD25 Series PATA Product Manual, Rev. C...

  • Page 23: Configuring And Mounting The Drive

    Configuring and mounting the drive This section contains the specifications and instructions for configuring and mounting the drive. Handling and static discharge precautions After unpacking, and before installation, the drive may be exposed to potential handling and electrostatic dis- charge (ESD) hazards. Observe the following standard handling and static-discharge precautions: Caution: •...

  • Page 24: Cable-Select Option

    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, set a jumper as shown in Figure 2. Refer to your computer manual to determine whether your computer supports this option.

  • Page 25: Drive Mounting

    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 precautions when mounting the drive: •...
  • Page 26 LD25 Series PATA Product Manual, Rev. C...

  • Page 27: Ata Interface

    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 the IORDY signal to provide reliable high-speed data transfers. For detailed information about the ATA interface, refer to the draft of AT Attachment with Packet Interface Extension (ATA/ATAPI-6), NCITS T13 1410D, subsequently referred to as the Draft ATA-6 Standard.

  • Page 28: Supported Ata Commands

    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 ATA-standard commands ATA Device Configuration Overlay ATA Service Check Power Mode Download Microcode...
  • Page 29 Table 7: Supported commands Command name Security Unlock Seek Set Drive Parameters Set Features Set Max Address Note: Individual Set Max com- mands are identified by the value placed in the Set Max Features register as defined to the right. Set Multiple Mode Sleep S.M.A.R.T.
  • Page 30 Table 7: Supported commands Command name Security Freeze Lock Security Disable Password Command code (in hex) LD25 Series PATA Product Manual, Rev. C...

  • Page 31: Identify Device Command

    4.1.2 Identify Device command The Identify Device command (command code EC power up. The data is organized as a single 512-byte block of data, whose contents are shown in Table 7 on page 22. All reserved bits or words should be set to zero. Parameters listed with an “x” are drive-specific or vary with the state of the drive.
  • Page 32 Word Description 60–61 Total number of user-addressable LBA sectors available (see Section 2.2 for related information) Retired Multiword DMA active and modes supported (see note following this table) Advanced PIO modes supported (modes 3 and 4 supported) Minimum multiword DMA transfer cycle time per word (120 nsec) Recommended multiword DMA transfer cycle time per word (120 nsec)
  • Page 33 Description (if bit is set to 1) Word 63 Multiword DMA mode 0 is supported. Multiword DMA mode 1 is supported. Multiword DMA mode 2 is supported. Multiword DMA mode 0 is currently active. Multiword DMA mode 1 is currently active. Multiword DMA mode 2 is currently active.

  • Page 34: Set Features Command

    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 in the register does not represent a feature that the drive supports, the command is aborted. Power-on default has the read look-ahead and write caching features enabled.

  • Page 35: Seagate Technology Support Services

    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: Presales@Seagate.com Technical Support: DiscSupport@Seagate.com Warranty Support: http://www.seagate.com/support/service/index.html mySeagate my.seagate.com is the industry's first Web portal designed specifically for OEMs and distributors. It provides self-service access to critical applications, personalized content and the tools that allow our partners to manage their Seagate account functions.

  • Page 36: Authorized Service Centers

    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 issues. Resellers or end users of drive products should contact their place of purchase or Seagate warranty service for assistance.
  • Page 37 Index Numerics 3D Defense System 1 acoustics 12 Active mode 9 AFR 13 agency certification (regulatory) 13 altitude 10 ambient conditions 3 ambient temperature 6 Annualized Failure Rate 13 areal density 5 ATA interface 21 ATA-standard commands 22 Australian C-Tick 14 average seek time 6 BPI 5 buffer 1...
  • Page 38 interface 5 interface signals 21 interference 14 interleave 5 internal data-transfer rate OD 5 ISO document 7779 12 jumper settings 17 Korean RRL 14 LBA mode 5 length 6 Load/Unload 13 logical geometry 5 Master/slave configuration 17 maximum temperature 10 modes 21 monitoring 1 mounting the drive 17...
  • Page 39 signals 21 single-track seeks 6 Sleep 23 Sleep mode 9 sound 12 specifications 3 spindle speed 5 Spinup 7 spinup power 7 Standby 7 Standby Immediate 23 Standby mode 7 Standby to Ready 6 static-discharge precautions 17 subassembly 14 support services 29 surge immunity 12 technical support services 29 temperature 10...
  • Page 40 LD25 Series PATA Product Manual, Rev. C...
  • Page 42 Seagate Technology LLC 920 Disc Drive, Scotts Valley, California 95066-4544, USA Publication Number: 100371274, Rev. C, Printed in U.S.A.

This manual is also suitable for:

St9402115aSt920217a

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