Seagate ST380023AS Manual

...Barracuda Serial ATA V Family...ST3120023AS...

Barracuda Serial ATA V Product Manual, Rev. B 11.0 IntroductionThis manual describes the functional, mechanical and interface specifica-tions for ST31

2 Barracuda Serial ATA V Product Manual, Rev. Binformation about how serial ATA emulates parallel ATA, refer to the “SerialATA: High Speed Serialized

Barracuda Serial ATA V Product Manual, Rev. B 32.0 Drive specificationsUnless otherwise noted, all specifications are measured under ambient con-ditio

4 Barracuda Serial ATA V Product Manual, Rev. BATA data-transfer modes supportedSATA 1.0PIO modes 0–4Multiword DMA modes 0–2Ultra DMA modes 0–5Cache b

Barracuda Serial ATA V Product Manual, Rev. B 5Temperature gradient(°C per hour max)20°C (op.)30°C (nonop.)Relative humidity(op. and nonop.)5% to 90%

6 Barracuda Serial ATA V Product Manual, Rev. B*During periods of drive idle, some offline activity may occur according to the S.M.A.R.T.specification

Barracuda Serial ATA V Product Manual, Rev. B 72.4 Physical organization2.5 Recording and interface technology2.6 Physical characteristicsDrive model

8 Barracuda Serial ATA V Product Manual, Rev. B2.7 Seek timeSeek measurements are taken with nominal power at 25°C ambient temper-ature. All times are

Barracuda Serial ATA V Product Manual, Rev. B 92.9.1 Power consumptionPower requirements for the drives are listed in the table on page 9. Typicalpowe

10 Barracuda Serial ATA V Product Manual, Rev. B*During periods of drive idle, some offline activity may occur according to the S.M.A.R.T.specificatio

Barracuda Serial ATA V Product Manual, Rev. B 112.9.1.1 Typical current profileFigure 2. Typical 5V startup and operation current profileFigure 3. Typ

12 Barracuda Serial ATA V Product Manual, Rev. B2.9.2 Deferred spinupBarracuda Serial ATA V drives provide a deferred spinup feature which stor-age su

Barracuda Serial ATA V Product Manual, Rev. B 13• Using 5-volt power, the drive is expected to operate with a maximum of100 mV peak-to-peak square-wav

14 Barracuda Serial ATA V Product Manual, Rev. B• Sleep modeThe drive enters Sleep mode after receiving a Sleep command from thehost. In Sleep mode, t

Barracuda Serial ATA V Product Manual, Rev. B 152.10.2 Temperature gradient2.10.3 Humidity2.10.3.1 Relative humidity2.10.3.2 Wet bulb temperature2.10.

16 Barracuda Serial ATA V Product Manual, Rev. B2.10.6 VibrationAll vibration specifications assume that the drive is mounted securely with theinput v

Barracuda Serial ATA V Product Manual, Rev. B 17Note. During periods of drive idle, some offline activity may occur accord-ing to the S.M.A.R.T. speci

18 Barracuda Serial ATA V Product Manual, Rev. B2.13 Reliability2.14 Agency certification2.14.1 Safety certificationThe drives are recognized in accor

Barracuda Serial ATA V Product Manual, Rev. B 19These drives have been tested and comply with the Electromagnetic Interfer-ence/Electromagnetic Suscep

...Barracuda Serial ATA V Family...ST3120023AS...

20 Barracuda Serial ATA V Product Manual, Rev. Binterference will not occur in a particular installation. If this equipment doescause interference to

Barracuda Serial ATA V Product Manual, Rev. B 213.0 Configuring and mounting the driveThis section contains the specifications and instructions for co

22 Barracuda Serial ATA V Product Manual, Rev. B3.2 Configuring the driveEach drive on the serial ATA interface connects in a point-to-point configura

Barracuda Serial ATA V Product Manual, Rev. B 23For installations which require cables, you can connect the drive usingcabling which separates the pow

24 Barracuda Serial ATA V Product Manual, Rev. Bmounting holes.• Do not overtighten the mounting screws (maximum torque: 6 inch-lb).• Do not use a dri

Barracuda Serial ATA V Product Manual, Rev. B 254.0 Serial ATA (SATA) interfaceThese drives use the industry-standard Serial ATA interface that suppor

26 Barracuda Serial ATA V Product Manual, Rev. B4.1 Serial ATA device plug connector pin definitionsTable 6 summarizes the signals on the Serial ATA i

Barracuda Serial ATA V Product Manual, Rev. B 27Notes:1. All pins are in a single row, with a 1.27 mm (0.050”) pitch.2. The comments on the mating seq

28 Barracuda Serial ATA V Product Manual, Rev. B4.2 Supported ATA commandsThe following table lists Serial ATA standard commands that the drive sup-po

Barracuda Serial ATA V Product Manual, Rev. B 29Set Multiple Mode C6hS.M.A.R.T. Disable Operations B0h/D9hS.M.A.R.T. Enable/Disable Autosave B0h/D2hS.

©2002, 2003 Seagate Technology LLC All rights reservedPublication number: 100221381, Rev. BFebruary 2003Seagate, Seagate Technology, and the Seagate l

30 Barracuda Serial ATA V Product Manual, Rev. B4.2.1 Identify Device commandThe Identify Device command (command code ECH) transfers informationabout

Barracuda Serial ATA V Product Manual, Rev. B 31Table 8: Drive-specific commandsWord Description Value0Configuration information:• Bit 15: 0 = ATA; 1

32 Barracuda Serial ATA V Product Manual, Rev. B55 Number of current logical heads xxxxH56 Number of current logical sectors per logical trackxxxxH57

Barracuda Serial ATA V Product Manual, Rev. B 3386 Command sets enabled 0001H87 Command sets enable extension 4000H88 Ultra DMA support and current m

34 Barracuda Serial ATA V Product Manual, Rev. BSee the bit descriptions below for words 63, 88, 93 and 94 of the Identify Drive data:Description (if

Barracuda Serial ATA V Product Manual, Rev. B 354.2.2 Set Features commandThis command controls the implementation of various features that the drives

36 Barracuda Serial ATA V Product Manual, Rev. BNote. At power-on, or after a hardware or software reset, the default valuesof the features are as ind

Barracuda Serial ATA V Product Manual, Rev. B 374.2.3 S.M.A.R.T. commandsS.M.A.R.T. provides near-term failure prediction for disc drives. WhenS.M.A.R

38 Barracuda Serial ATA V Product Manual, Rev. B

Barracuda Serial ATA V Product Manual, Rev. B 395.0 Seagate Technology support servicesOnline ServicesInternetwww.seagate.com for information about Se

Revision status summary sheetRevision Date Writer/PLM Sheets AffectedRev. A 11/01/02 L. Newman/Eric Wu All.Rev. B 02/06/03 L. Newman/Eric Wu Pages 12

40 Barracuda Serial ATA V Product Manual, Rev. Bhours daily. International callers can reach this service by dialing +1-405-936-1234.SeaFAX®(1-800-SEA

Barracuda Serial ATA V Product Manual, Rev. B 41USA/Canada/Latin America Support ServicesPresales SupportCall Center Toll-free Direct dial FAXDisc: 1-

42 Barracuda Serial ATA V Product Manual, Rev. BIreland 1 800-55 21 22Italy 800-790695Netherlands 0 800-732 4283Norway 800-113 91Poland 00 800-311 12

Barracuda Serial ATA V Product Manual, Rev. B 43Warranty ServiceCall Center Toll-free Direct dial FAXAsia/Pacific — +65-6485-3595 +65-6485-4860Austral

44 Barracuda Serial ATA V Product Manual, Rev. B

Barracuda Serial ATA V Product Manual, Rev. B 45IndexAACA 19acceleration 16acoustics 5, 16Active 13Active mode 13actuator arm 9Address

46 Barracuda Serial ATA V Product Manual, Rev. BElectromagnetic Compatibility Direc-tive (89/336/EEC) 18Electromagnetic immunity 17Electrostatic d

Barracuda Serial ATA V Product Manual, Rev. B 47maintenance 18master/slave 1Max Address 28maximum temperature 14Mean time between failures 5

48 Barracuda Serial ATA V Product Manual, Rev. BSS.M.A.R.T. 29S.M.A.R.T. implementation 28Safety certification 18SATA 7, 25screws 15SeaShe

Barracuda Serial ATA V Product Manual, Rev. B 49Wet bulb temperature 5, 15Width 4Write Buffer 29Write DMA 29Write DMA without Retries 29Wr

50 Barracuda Serial ATA V Product Manual, Rev. B

Seagate Technology LLC920 Disc Drive, Scotts Valley, California 95066-4544, USAPublication Number: 100221381, Rev. B, Printed in USA

Barracuda Serial ATA V Product Manual, Rev. B vContents1.0 Introduction. . . . . . . . . . . . . . . ... 11.1 About the serial

vi Barracuda Serial ATA V Product Manual, Rev. B4.0 SerialATA(SATA)interface...254.1 Serial ATA device plug connector pin defi

Barracuda Serial ATA V Product Manual, Rev. B viiList of FiguresFigure 1. Barracuda Serial ATA V disc drive. . . . . . . . . . . . . . . . . . 2Figur