Page 2 - Revision history; Revision
Revision history Copyright © 2006-2007 Seagate Technology LLC. All rights reserved. Printed in USA Publication number: 100427570, Rev. D August 2007 Seagate, Seagate Technology and the Wave logo are registered trademarks of Seagate Technology LLC in the United States and/or other countries. DB35.3 S...
Page 3 - Contents
DB35.3 Series Serial ATA Product Manual, Rev. D i Contents 1.0 Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 1.1 About the Serial ATA interface . . . . . . . . . . . . . . . . . . . . . . . . . . ....
Page 4 - ii
Page 5 - iii; List of Figures
DB35.3 Series Serial ATA Product Manual, Rev. D iii List of Figures Figure 1. Typical 5V startup and operation current profile . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15 Figure 2. Typical 12V startup and operation current profile . . . . . . . . . . . . . . . . . . . . ...
Page 7 - Introduction; These drives provide the following key features:
DB35.3 Series Serial ATA Product Manual, Rev. D 1 1.0 Introduction This manual describes the functional, mechanical and interface specifications for the following Seagate DB35.3 Series Serial ATA model drives: These drives provide the following key features: • 7,200 RPM spindle speed. • High instant...
Page 8 - About the Serial ATA interface; ers or other configuration options.
2 DB35.3 Series Serial ATA Product Manual, Rev. D 1.1 About the Serial ATA interface The Serial ATA interface provides several advantages over the traditional Parallel ATA interface. The primary advantages include: • Easy installation and configuration with true plug-and-play connectivity. It is not...
Page 9 - Drive specifications; Specification summary tables
DB35.3 Series Serial ATA Product Manual, Rev. D 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 the following dri...
Page 10 - Drive specifications summary for 750 Gbyte models
4 DB35.3 Series Serial ATA Product Manual, Rev. D Table 1: Drive specifications summary for 750 Gbyte models Drive specification ST3750640SCE ST3750840SCE Formatted Gbytes (512 bytes/sector)* 750 Guaranteed sectors 1,465,149,168 Bytes per sector 512 Default sectors per track 63 Default read/write he...
Page 12 - Drive specifications summary
6 DB35.3 Series Serial ATA Product Manual, Rev. D Table 2: Drive specifications summary for 500 and 400 Gbyte models Drive specification ST3500830SCE ST3400820SCE Formatted Gbytes (512 bytes/sector)* 500 400 Guaranteed sectors 976,773,168 781,422,768 Bytes per sector 512 Default sectors per track 63...
Page 16 - for 250 Gbyte models
10 DB35.3 Series Serial ATA Product Manual, Rev. D Table 4: Drive specifications summary for 250 Gbyte models Drive specification ST3250820SCE Formatted Gbytes (512 bytes/sector)* 250 Guaranteed sectors 488,397,168 Bytes per sector 512 Default sectors per track 63 Default read/write heads 16 Default...
Page 18 - Formatted capacity; Default logical geometry; LBA mode
12 DB35.3 Series Serial ATA Product Manual, Rev. D 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. 2.2.1 LBA mode When addressing these drives in LBA mode, all blocks (se...
Page 20 - Power consumption; Read
14 DB35.3 Series Serial ATA Product Manual, Rev. D 2.6 Seek time Seek measurements are taken with nominal power at 25°C ambient temperature. All times are measured using drive diagnostics. The specifications in the table below are defined as follows: • Track-to-track seek time is an average of all p...
Page 21 - Typical current profiles; Figure 1. Typical 5V startup and operation current profile
DB35.3 Series Serial ATA Product Manual, Rev. D 15 • Operating power and current Operating power is measured using 40 percent random seeks, 40 percent read/write mode (1 write for each 10 reads) and 20 percent drive idle mode. • Idle mode power Idle mode power is measured with the drive up to speed,...
Page 22 - Figure 2. Typical 12V startup and operation current profile; Conducted noise; injected noise at up to 10 MHz.; Voltage tolerance; Power modes
16 DB35.3 Series Serial ATA Product Manual, Rev. D Figure 2. Typical 12V startup and operation current profile 2.8.2 Conducted noise Input noise ripple is measured at the host system power supply across an equivalent 80-ohm resistive load on the +12 volt line or an equivalent 15-ohm resistive load o...
Page 24 - Environmental specifications
18 DB35.3 Series Serial ATA Product Manual, Rev. D 2.9 Environmental specifications 2.9.1 Ambient temperature Ambient temperature is defined as the temperature of the environment immediately surrounding the drive. Actual drive case temperature should not exceed 75°C (167°F) within the operating ambi...
Page 26 - Acoustics; by the following equation:; Fluid Dynamic Bearing (FDB) motor acoustics; CE seek profile
20 DB35.3 Series Serial ATA Product Manual, Rev. D 2.10 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...
Page 27 - Safety certification; Test
DB35.3 Series Serial ATA Product Manual, Rev. D 21 2.11 Electromagnetic immunity When properly installed in a representative host system, the drive operates without errors or degradation in performance when subjected to the radio frequency (RF) environments defined in the following table: 2.12 Relia...
Page 29 - Environmental protection; China Restriction of Hazardous Substances (RoHS) Directive; Corrosive environment; 中国限制危险物品的指令; 表示该部件(于同类物品程度上)所含的危险和有毒物质低于中国RoHS MCV标准所定义的门槛值。
DB35.3 Series Serial ATA Product Manual, Rev. D 23 If necessary, you should consult your dealer or an experienced radio/television technician for additional sug-gestions. You may find helpful the following booklet prepared by the Federal Communications Commission: How to Identify and Resolve Radio-T...
Page 31 - Configuring and mounting the drive; Handling and static-discharge precautions; • Handle the drive by its edges or frame only.
DB35.3 Series Serial ATA Product Manual, Rev. D 25 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...
Page 32 - Configuring the drive; Figure 3. Serial ATA connectors; Serial ATA cables and connectors; Figure 4. Attaching SATA cabling
26 DB35.3 Series Serial ATA Product Manual, Rev. D 3.2 Configuring the drive Each drive on the Serial ATA interface connects point-to-point with the Serial ATA host adapter. There is no master/slave relationship because each drive is considered a master in a point-to-point relationship. If two drive...
Page 33 - Drive mounting; Figure 5. Mounting dimensions—top, side and end view
DB35.3 Series Serial ATA Product Manual, Rev. D 27 3.4 Drive mounting You can mount the drive in any orientation using four screws in the side-mounting holes or four screws in the bottom-mounting holes. See Figure 5 on page 27 for drive mounting dimensions. Follow these important mounting precaution...
Page 35 - Hot-Plug compatibility
DB35.3 Series Serial ATA Product Manual, Rev. D 29 4.0 Serial ATA (SATA) interface These drives use the industry-standard Serial ATA interface that supports FIS data transfers. It supports ATA programmed input/output (PIO) modes 0–4; multiword DMA modes 0–2, and Ultra DMA modes 0–6. For detailed inf...
Page 36 - Serial ATA device plug connector pin definitions; • the ground pins P4 and P12.; Serial ATA connector pin definitions
30 DB35.3 Series Serial ATA Product Manual, Rev. D 4.2 Serial ATA device plug connector pin definitions Table 8 summarizes the signals on the Serial ATA interface and power connectors.. Notes: 1. All pins are in a single row, with a 1.27 mm (0.050”) pitch. 2. The comments on the mating sequence appl...
Page 37 - Supported ATA commands; Command name
DB35.3 Series Serial ATA Product Manual, Rev. D 31 4.3 Supported ATA commands The following table lists Serial ATA standard commands that the drive supports. For a detailed description of the ATA commands, refer to the Serial ATA: High Speed Serialized AT Attachment specification. See “S.M.A.R.T. co...
Page 39 - Identify Device command; The Identify Device command (command code EC; Word
DB35.3 Series Serial ATA Product Manual, Rev. D 33 4.3.1 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 9 onpage...
Page 44 - Code in features register
38 DB35.3 Series Serial ATA Product Manual, Rev. D 4.3.3 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 t...
Page 45 - 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
DB35.3 Series Serial ATA Product Manual, Rev. D 39 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] Techn...
Page 46 - Customer Service Operations; Warranty Service; USA/Canada/Latin America support services; Direct dial; and Mexico; Europe, the Middle East and Africa Support Services
40 DB35.3 Series Serial ATA Product Manual, Rev. D 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 warr...
Page 47 - Index
DB35.3 Series Serial ATA Product Manual, Rev. D 41 Index A ACA 22 acceleration 19 acoustics 20 Active 16 Active mode 16 actuator arm 14 Agency certification 21 altitude 18 Ambient temperature 18 ambient temperature 14 Annualized Failure Rate (AFR) 21 areal density 13 ATA commands 31 Australia/New Ze...
