Seagate DB35 Serial ATA ST3250823SCE user manual

User manual for the device Seagate DB35 Serial ATA ST3250823SCE

Device: Seagate DB35 Serial ATA ST3250823SCE
Category: Network Card
Manufacturer: Seagate
Size: 0.78 MB
Added : 5/1/2014
Number of pages: 44
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Summary of the content on the page No. 1

Product Manual
DB35 Serial ATA
ST3400832SCE
ST3300831SCE
ST3250823SCE
ST3200826SCE
100362348
Rev. E
August 2007

Summary of the content on the page No. 2

Copyright © 2005-2007 Seagate Technology LLC. All rights reserved. Printed in U.S.A. Publication number: 100362348, 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. DB35 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. All other trademarks or register

Summary of the content on the page No. 3

Contents 1.0 Introduction. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 1.1 About the Serial ATA interface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 2.0 Drive specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 2.1 Specification summary table . . . . . . . . . . . . . . . .

Summary of the content on the page No. 4

ii DB35 Serial ATA Product Manual, Rev. E

Summary of the content on the page No. 5

List of Figures Figure 1. Typical 5V startup and operation current profile . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 Figure 2. Typical 12V startup and operation current profile . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 Figure 3. Breather filter hole location . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18 Figure 4. Serial ATA connectors . . . . . . . . . . . . . . . . . . . . .

Summary of the content on the page No. 6

Summary of the content on the page No. 7

1.0 Introduction This manual describes the functional, mechanical and interface specifications for the following Seagate DB35 Serial ATA (SATA) model drives: DB35 Serial ATA � ST3400832SCE � ST3300831SCE � ST3250823SCE � ST3200826SCE These drives provide the following key features: � Minimal acoustics for consumer storage usage profile. � Bedroom quiet performance. � Optimized power for consumer storage devices. � Spinup current limited to a maximum of 2 amps. � 7,200 RPM spindle speed. � 8 Mby

Summary of the content on the page No. 8

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 necessary to set any jump- ers or other configuration options. � Thinner and more flexible cabling for improved enclosure airflow and ease of installation. � Scalability to higher performance levels. In addition, Serial ATA makes the transition f

Summary of the content on the page No. 9

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 ST3400832SCE, ST3300831SCE, ST3250823SCE and ST3200826SCE models. 2.1 Specification summary table The specifications listed in this table are for quick reference. For details on specification measurement or defi- nition, see the appropriate section of this manu

Summary of the content on the page No. 10

Table 1: Drive specifications Drive specification ST3400832SCE ST3300831SCE ST3250823SCE ST3200826SCE Power-on to ready (typical) 17.0 sec Standby to ready (typical) 16.0 sec Track-to-track seek time (msec typical) 0.8 (read), 1.0 (write) Average seek (msec typical) 18 (read), 20 (write) Startup current (typical) 12V (peak) 2.0 amps Seek power (typical) 8.6 watts Operating (Consumer Storage Profile) 7.2 watts Idle mode (typical) 6.9 watts Standby mode (typical) 0.80 watts Sleep mode (typical) 0.

Summary of the content on the page No. 11

Table 1: Drive specifications Drive specification ST3400832SCE ST3300831SCE ST3250823SCE ST3200826SCE Supports Hotplug operation per SATA II Yes specification *One Gbyte equals one billion bytes when referring to hard drive capacity. Accessible capacity may vary depending on operating environment and formatting. **During periods of drive idle, some offline activity may occur according to the S.M.A.R.T. specification, which may increase acoustic and power to operational levels. 2.2 Formatted ca

Summary of the content on the page No. 12

2.4 Recording and interface technology Interface Serial ATA (SATA) Recording method 16/17 EPRML Recording density BPI (bits/inch max) 763,000 Track density TPI (tracks/inch avg) 120,000 2 Areal density (Mbits/inch avg) 91,560 Spindle speed (RPM) (± 0.2%) 7,200 Internal data transfer rate (Mbytes/sec max) 95 Sustained transfer rate OD (Mbytes/sec max) 65.0 I/O data-transfer rate (Mbytes/sec max) 150 (SATA 1.0) Interleave 1:1 Cache buffer 8 Mbytes 2.5 Physical characteristics Maximum height (m

Summary of the content on the page No. 13

2.7 Start/stop times Power-on to Ready (sec) 15.5 (max) Standby to Ready (sec) 14.0 (max) Ready to spindle stop (sec) 10 (max) 2.8 Power specifications The drive receives DC power (+5V and +12V) through a native SATA power connector. See Figure 5 on page 19. 2.8.1 Power consumption Power requirements for the drives are listed in the table on page 9. Typical power measurements are based on an average of drives tested, under nominal conditions, using 5.0V and 12.0V input voltage at 25°C ambie

Summary of the content on the page No. 14

Table 2: DC power requirements Power dissipation (typical) Average (watts, 25° C) 5V typ amps 12V typ amps Spinup — — 2.0 (peak) Idle 6.9 0.353 0.519 Operating (Consumer Storage Profile) 7.2 0.500 0.400 Seeking 8.6 0.318 0.585 Standby 1.4 0.265 0.006 Sleep 1.4 0.265 0.006 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 8 DB35 Serial ATA Product Manual, Rev. E

Summary of the content on the page No. 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 operate with a maximum of 120 mV peak-to-peak square-wave injected noise at up to 10 MHz. � 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. Note. Equival

Summary of the content on the page No. 16

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 Ambient temperature is defined as the temperature of the environment immediately surrounding the drive. Actual drive case temperature should not exceed 69°C (156°F) within the operating ambient conditions for standard models. Recommended measur

Summary of the content on the page No. 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 based on a nonrepetitive half-sine shock pulse of 2 msec duration. 2.9.6 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. 2.9.6.1 Operating vibration The max

Summary of the content on the page No. 18

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: Table 4: Radio frequency environments Performance Reference Test Description level standard Electrostatic discharge Contact, HCP, VCP: ± 4 kV; Air: B EN 61000-4-2: 95 ± 8 kV Radiated RF immunity 80 to 1,000 MHz, 3 V/m, A EN 61000-4-3: 96 80% AM with 1 kHz s

Summary of the content on the page No. 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 drives that display the CE mark comply with the European Union (EU) requirements specified in the Elec- tromagnetic Compatibility Directive (89/336/EEC). Testing is performed to the levels specified by the product standards for Information T

Summary of the content on the page No. 20

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). 2.13.3 FCC verification These drives are intended to be contained solely within a personal computer or similar enclosure (not attached as an external device). As such, each drive is considered to be a subassembly even when it is individually


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