Page 3 - Contents
DB35.2 Serial ATA Product Manual, Rev. C i Contents 1.0 Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 1.1 About the Serial ATA interface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...
Page 4 - ii
Page 5 - iii; List of Figures
DB35.2 Serial ATA Product Manual, Rev. C iii List of Figures Figure 1. Typical 5V startup and operation current profile . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14 Figure 2. Typical 12V startup and operation current profile . . . . . . . . . . . . . . . . . . . . . . . ....
Page 7 - Introduction
DB35.2 Serial ATA Product Manual, Rev. C 1 1.0 Introduction This manual describes the functional, mechanical and interface specifications for the following Seagate DB35.2 Serial ATA (SATA) model drives: • ST3500841SCE • ST3400833SCE • ST3300822SCE • ST3250824SCE • ST3200827SCE • ST3160212SCE • ST312...
Page 8 - About the Serial ATA interface; ers or other configuration options.
2 DB35.2 Serial ATA Product Manual, Rev. C 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 nece...
Page 9 - Drive specifications; Specification summaries
DB35.2 Serial ATA 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 the following models: 2....
Page 10 - Drive specifications for 500 and 400 Gbyte models
4 DB35.2 Serial ATA Product Manual, Rev. C Table 1: Drive specifications for 500 and 400 Gbyte models Drive specification ST3500841SCE ST3400833SCE Formatted Gbytes (512 bytes/sector)* 500 400 Guaranteed sectors 976,773,168 781,422,768 Bytes per sector 512 Default sectors per track 63 Default read/w...
Page 14 - Drive specifications for 160, 120, and 80 Gbyte models
8 DB35.2 Serial ATA Product Manual, Rev. C Table 3: Drive specifications for 160, 120, and 80 Gbyte models Drive specification ST3160212SCE ST3120213SCE ST3802110SCE Formatted Gbytes (512 bytes/sector)* 160 120 80 Guaranteed sectors 312,581,808 234,441,648 156,301,488 Bytes per sector 512 Default se...
Page 16 - Formatted capacity; Default logical geometry; LBA mode; Recording and interface technology; Model; Interface
10 DB35.2 Serial ATA Product Manual, Rev. C 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 (sectors) ...
Page 17 - Cache buffer
DB35.2 Serial ATA Product Manual, Rev. C 11 ST3160212SCE, ST3120213SCE, ST3802110SCE 119.0 Spindle speed (RPM) (± 0.2%) 7,200 Internal data-transfer rate (Mbits/sec max) ST3500841SCE, ST3400833SCE 815.2 ST3300822SCE, ST3250824SCE, ST3200827SCE, ST3160212SCE, ST3120213SCE, ST3802110SCE 867.2 Sustaine...
Page 18 - Maximum height; Read; Average
12 DB35.2 Serial ATA Product Manual, Rev. C 2.5 Physical characteristics 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 ...
Page 19 - Power specifications
DB35.2 Serial ATA Product Manual, Rev. C 13 2.7 Start/stop times 2.8 Power specifications The drive receives DC power (+5V and +12V) through a native SATA power connector. See Figure 5 on page 25. 2.8.1 Power consumption Power requirements for the drives are listed in the table on page 9. Typical po...
Page 20 - Typical current profiles; Figure 1. Typical 5V startup and operation current profile; DC power requirements; V typ amps; Spinup
14 DB35.2 Serial ATA Product Manual, Rev. C 2.8.1.1 Typical current profiles Figure 1. Typical 5V startup and operation current profile Figure 2. Typical 12V startup and operation current profile Table 4: DC power requirements Power dissipation (typical) Example: ST3500841SCE Average (watts, 25° C) ...
Page 21 - • Active mode; Power modes
DB35.2 Serial ATA Product Manual, Rev. C 15 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 on the +5 volt line. • Using 12-volt power, the drive is expected to...
Page 22 - Environmental specifications
16 DB35.2 Serial ATA Product Manual, Rev. C drive activity is required, the drive makes a transition to Standby mode. In both Idle and Standby mode, the drive accepts all commands and returns to Active mode when disc access is necessary. 2.9 Environmental specifications 2.9.1 Ambient temperature Amb...
Page 23 - Acoustics; Drive acoustics, sound power
DB35.2 Serial ATA Product Manual, Rev. C 17 2.9.5.2 Nonoperating shock The nonoperating shock level that the drive can experience without incurring physical damage or degradation in performance when subsequently put into operation is 300 Gs for 500, 400, and 300 GB drives and 350 Gs for 250, 200, 16...
Page 24 - Radio frequency environments
18 DB35.2 Serial ATA Product Manual, Rev. C 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 Reliability ...
Page 25 - Agency certification; Safety certification; • Certificate numbers:
DB35.2 Serial ATA Product Manual, Rev. C 19 2.13 Agency certification 2.13.1 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. 2.13.2 Electromagnetic compatibility Hard...
Page 26 - FCC verification; • Reorient the receiving antenna.; Environmental protection; European Union Restriction of Hazardous Substances (RoHS)
20 DB35.2 Serial ATA Product Manual, Rev. C Australian C-Tick (N176) If these models have the C-Tick marking, they comply with the Australia/New Zealand Standard AS/NZS3548 1995 and meet the Electromagnetic Compatibility (EMC) Framework requirements of the Australian Communi-cation Authority (ACA). ...
Page 27 - Corrosive environment
DB35.2 Serial ATA Product Manual, Rev. C 21 Seagate also has internal systems in place to ensure ongoing compliance with the RoHS Directive and all laws and regulations which restrict chemical content in electronic products. These systems include standard operat-ing procedures that ensure that restr...
Page 29 - Configuring and mounting the drive; Handling and static-discharge precautions; • Handle the drive by its edges or frame only.
DB35.2 Serial ATA Product Manual, Rev. C 23 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 pot...
Page 30 - Breather filter hole precautions; Figure 3. Breather filter hole location; This hole has two purposes:
24 DB35.2 Serial ATA Product Manual, Rev. C 3.2 Breather filter hole precautions This section contains information regarding the precautions to take with the breather filter hole in Seagate hard disc drives. Take the proper precautions to ensure full functionality and to prevent possible damage to t...
Page 31 - Configuring the drive; Figure 4. Serial ATA jumper block and connectors; Serial ATA cables and connectors; Figure 5. Attaching SATA cabling
DB35.2 Serial ATA Product Manual, Rev. C 25 3.3 Configuring the drive Each drive on the Serial ATA interface connects in a point-to-point configuration with the Serial ATA host adapter. There is no master/slave relationship because each drive is considered a master in a point-to-point relationships....
Page 32 - Drive mounting; Figure 6. Mounting dimensions—top, side and end view
26 DB35.2 Serial ATA Product Manual, Rev. C 3.5 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 6 on page 26 for drive mounting dimensions. Follow these important mounting precautions when ...
Page 33 - Hot-Plug compatibility
DB35.2 Serial ATA Product Manual, Rev. C 27 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 informatio...
Page 34 - Serial ATA device plug connector pin definitions; • the ground pins P4 and P12.; Serial ATA connector pin definitions
28 DB35.2 Serial ATA Product Manual, Rev. C 4.2 Serial ATA device plug connector pin definitions Table 6 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 apply to th...
Page 35 - Supported ATA commands; Command name
DB35.2 Serial ATA Product Manual, Rev. C 29 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. commands”...
Page 37 - Identify Device command; The Identify Device command (command code EC; Word; xxxx
DB35.2 Serial ATA Product Manual, Rev. C 31 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 7 onpage 29. Al...
Page 39 - Bit
DB35.2 Serial ATA Product Manual, Rev. C 33 Note. Advanced Power Management (APM) and Automatic Acoustic Management (AAM) features are not supported Note. See the bit descriptions below for words 63, 88, and 93 of the Identify Drive data. 100–103 Total number of user-addressable LBA sectors availabl...
Page 41 - Code in features register
DB35.2 Serial ATA Product Manual, Rev. C 35 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 that a f...
Page 43 - 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
DB35.2 Serial ATA Product Manual, Rev. C 37 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 Su...
Page 44 - Customer Service Operations; Warranty Service; USA/Canada/Latin America support services; Direct dial; and Mexico; Europe, the Middle East and Africa Support Services
38 DB35.2 Serial ATA 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-re...
Page 45 - Index
DB35.2 Serial ATA Product Manual, Rev. C 39 Index A ACA 20 acceleration 17 acoustics 7 , 9 , 17 Active 15 Active mode 15 actuator arm 13 AFR 18 Agency certification 19 altitude 16 Altitude, nonoperating 5 , 7 , 9 Altitude, operating 4 , 6 , 8 Ambient temperature 4 , 6 , 8 , 16 ambient temperature 12...
