Seagate ST3250823NS Especificações

NL35 Series Serial ATAST3400832NSST3400632NSST3250823NSST3250623NS

NL35 Series SATA Product Manual, Rev. A 11.0 IntroductionThis manual describes the functional, mechanical and interface specifications for the followi

2 NL35 Series SATA Product Manual, Rev. A1.1 About the Serial ATA interfaceThe Serial ATA interface provides several advantages over the traditional (

NL35 Series SATA Product Manual, Rev. A 32.0 Drive specificationsUnless otherwise noted, all specifications are measured under ambient conditions, at

4 NL35 Series SATA Product Manual, Rev. ATable 1: Drive specificationsDrive specification ST3400832NS ST3400632NS ST3250823NS ST3250623NSFormatted Gb

NL35 Series SATA Product Manual, Rev. A 5*During periods of drive idle, some offline activity may occur according to the S.M.A.R.T. specification, whi

6 NL35 Series SATA Product Manual, Rev. A2.2 Formatted capacity* *One Gbyte equals one billion bytes when referring to hard drive capacity. Accessi

NL35 Series SATA Product Manual, Rev. A 72.4 Recording and interface technology2.5 Physical characteristics 2.6 Seek timeSeek measurements are taken

8 NL35 Series SATA Product Manual, Rev. Avalues. However, due to the manner in which these drives are formatted, benchmark tests thatinclude command o

NL35 Series SATA Product Manual, Rev. A 9 *During periods of drive idle, some offline activity may occur according to the S.M.A.R.T. specification, wh

10 NL35 Series SATA Product Manual, Rev. A2.8.2 Conducted noiseInput noise ripple is measured at the host system power supply across an equivalent 80-

NL35 Series SATA Product Manual, Rev. A 11drive activity is required, the drive makes a transition to Standby mode. In both Idle and Standby mode, the

12 NL35 Series SATA Product Manual, Rev. A2.9.5.2 Nonoperating shockThe nonoperating shock level that the drive can experience without incurring physi

NL35 Series SATA Product Manual, Rev. A 132.11 Electromagnetic immunityWhen properly installed in a representative host system, the drive operates wit

14 NL35 Series SATA Product Manual, Rev. A2.13 Agency certification2.13.1 Safety certificationThe drives are recognized in accordance with UL 1950 and

NL35 Series SATA Product Manual, Rev. A 15Australian C-Tick (N176)If these models have the C-Tick marking, they comply with the Australia/New Zealand

16 NL35 Series SATA Product Manual, Rev. Acopper, nickel and gold films used in Seagate products are especially sensitive to the presence of sulfide,

NL35 Series SATA Product Manual, Rev. A 173.0 Configuring and mounting the driveThis section contains the specifications and instructions for configur

18 NL35 Series SATA Product Manual, Rev. A3.2 Configuring the driveEach drive on the Serial ATA interface connects in a point-to-point configuration w

NL35 Series SATA Product Manual, Rev. A 193.4 Drive mountingYou can mount the drive in any orientation using four screws in the side-mounting holes or

NL35 Series Serial ATAST3400832NSST3400632NSST3250823NSST3250623NS

20 NL35 Series SATA Product Manual, Rev. A

NL35 Series SATA Product Manual, Rev. A 214.0 Serial ATA (SATA) interfaceThese drives use the industry-standard Serial ATA interface that supports FIS

22 NL35 Series SATA Product Manual, Rev. A4.2 Serial ATA device plug connector pin definitionsTable 5 summarizes the signals on the Serial ATA interfa

NL35 Series SATA Product Manual, Rev. A 234.3 Supported ATA commandsThe following table lists Serial ATA standard commands that the drive supports. Fo

24 NL35 Series SATA Product Manual, Rev. ASecurity Erase Unit F4HSecurity Freeze F5HSecurity Set Password F1HSecurity Unlock F2HSeek 70HSet Features E

NL35 Series SATA Product Manual, Rev. A 254.3.1 Identify Device commandThe Identify Device command (command code ECH) transfers information about the

26 NL35 Series SATA Product Manual, Rev. A60–61 Total number of user-addressable LBA sectors available(see Section 2.2 for related information)*Note:

NL35 Series SATA Product Manual, Rev. A 27Note. Advanced Power Management (APM) and Automatic Acoustic Management (AAM) features are not supportedNote

28 NL35 Series SATA Product Manual, Rev. A4.3.2 Set Features commandThis command controls the implementation of various features that the drive suppor

NL35 Series SATA Product Manual, Rev. A 294.3.3 S.M.A.R.T. commandsS.M.A.R.T. provides near-term failure prediction for disc drives. When S.M.A.R.T. i

©2005, Seagate Technology LLC All rights reservedPublication number: 100367731, Rev. AAugust 2005Seagate, Seagate Technology, and the Seagate logo are

30 NL35 Series SATA Product Manual, Rev. A

NL35 Series SATA Product Manual, Rev. A 315.0 Seagate Technology support servicesOnline servicesInternetwww.seagate.com for information about Seagate

32 NL35 Series SATA Product Manual, Rev. ACustomer Service OperationsWarranty ServiceSeagate offers worldwide customer support for Seagate drives. Sea

NL35 Series SATA Product Manual, Rev. A 33European support servicesFor presales and technical support in Europe, dial the Seagate Service Center toll-

34 NL35 Series SATA Product Manual, Rev. AAsia/Pacific support servicesFor Asia/Pacific presales and technical support, dial the toll-free number for

NL35 Series SATA Product Manual, Rev. A 35Publication feedback surveyWe are interested in your comments and suggestions regarding this publication. Pl

36 NL35 Series SATA Product Manual, Rev. A

NL35 Series SATA Product Manual, Rev. A 37IndexAACA 15acceleration 12acoustics 5, 12Active 10Active mode 10actuator arm 8Agency certific

38 NL35 Series SATA Product Manual, Rev. AGGbytes 6geometry 6gradient 5Gs 12Guaranteed sectors 4, 6guaranteed sectors 6HHandling precaut

NL35 Series SATA Product Manual, Rev. A 39Read Sectors Without Retries 23Read Verify Sectors 23Read Verify Sectors Extended 23Read Verify Sector

NL35 Series SATA Product Manual, Rev. A iiiRevision status summary sheetRevision Date Sheets AffectedRev. A 08/08/05 All (initial release).

40 NL35 Series SATA Product Manual, Rev. AVVibration 12Vibration, nonoperating 5Vibration, operating 5voltage 8Voltage dips, interrupts 13Vo

Seagate Technology LLC920 Disc Drive, Scotts Valley, California 95066-4544, USAPublication Number: 100367731, Rev. A, Printed in USA

iv NL35 Series SATA Product Manual, Rev. A

NL35 Series SATA Product Manual, Rev. A vContents1.0 Introduction. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

vi NL35 Series SATA Product Manual, Rev. A

NL35 Series SATA Product Manual, Rev. A viiList of FiguresFigure 1. Typical 5V startup and operation current profile . . . . . . . . . . . . . . . . .