Seagate ST32272W Manual

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Barracuda 4XL Family:. . . . . . . . . . . . . . . .

Barracuda 4XL Product Manual, Rev. B 11.0 ScopeThis manual describes the Seagate Technology®, Inc. Barracuda 4XL™ disc drives. Barracuda 4XL drives su

Barracuda 4XL Product Manual, Rev. B 32.0 Applicable standards and reference documentationThe drive has been developed as a system peripheral to the h

4 Barracuda 4XL Product Manual, Rev. BAustralian C-TickIf this model has the C-Tick Marking it complies with the Australia/New Zealand Standard AS/NZS

Barracuda 4XL Product Manual, Rev. B 53.0 General descriptionBarracuda 4XL drives combine magnetoresistive (MR) heads, partial response/maximum likeli

6 Barracuda 4XL Product Manual, Rev. BBarracuda 4XL drives decode track 0 location data from the servo data embedded on each surface to eliminatemecha

Barracuda 4XL Product Manual, Rev. B 73.1 Standard featuresThe Barracuda 4XL family has the following standard features:• Integrated SCSI controller•

8 Barracuda 4XL Product Manual, Rev. B3.5 Unformatted and formatted capacitiesFormatted capacity depends on the number of spare reallocation sectors r

Barracuda 4XL Product Manual, Rev. B 94.0 Performance characteristics4.1 Internal drive characteristics (transparent to user)4.2 SCSI Seek performance

10 Barracuda 4XL Product Manual, Rev. B4.2.2 Format command execution time (minutes) [1]*4.2.3 Generalized performance characteristicsData buffer tran

Barracuda 4XL Product Manual, Rev. B 11Notes for Section 4.2.[1] Execution time is measured from receipt of the last Byte of the Command Descriptor Bl

12 Barracuda 4XL Product Manual, Rev. B“miss”, all data transfers to the host are in accordance with “buffer-full” ratio rules. On a cache “hit” the d

Barracuda 4XL Product Manual, Rev. B 13system performance. The max prefetch field (bytes 8 and 9) limits the amount of prefetch. The drive does notuse

Barracuda 4XL Product Manual, Rev. B 155.0 Reliability specificationsThe following reliability specifications assume correct host/drive operational in

16 Barracuda 4XL Product Manual, Rev. B5.1.4 Seek errorsA seek error is defined as a failure of the drive to position the heads to the addressed track

Barracuda 4XL Product Manual, Rev. B 175.2.6 Hot plugging Barracuda 4XL disc drivesCaution: Hot-plug drives are not designed for simultaneous power di

18 Barracuda 4XL Product Manual, Rev. BThe purpose is to allow the customer to control when S.M.A.R.T. interruptions occur. As described above, forc-i

Barracuda 4XL Product Manual, Rev. B 19ShippingWhen transporting or shipping a drive, a Seagate approved container must be used. Keep your original bo

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Barracuda 4XL Family:. . . . . . . . . . . . . . . .

Barracuda 4XL Product Manual, Rev. B 216.0 Physical/electrical specificationsThis section provides information relating to the physical and electrical

22 Barracuda 4XL Product Manual, Rev. B6.2.1 Conducted noise immunityNoise is specified as a periodic and random distribution of frequencies covering

Barracuda 4XL Product Manual, Rev. B 236.3 Power dissipationST34572N/W/WC and ST32272N/W/WCFor drives with single ended interface circuits, typical op

24 Barracuda 4XL Product Manual, Rev. Bb. Non-operating–40° to 158°F (–40° to 70°C) package ambient with a maximum gradient of 45°F (25°C) per hour. T

Barracuda 4XL Product Manual, Rev. B 256.4.2 Relative humidityThe values below assume that no condensation on the drive occurs.a. Operating5% to 90% r

26 Barracuda 4XL Product Manual, Rev. BFigure 5. Recommended mounting600-1800 cu in (9,800-19,700 cu cm) 0-20 lb (0 to 9.1 kg) 48 in (1219 mm)>1800

Barracuda 4XL Product Manual, Rev. B 276.4.4.2 Vibrationa. Operating - normalThe drive as installed for normal operation, shall comply with the comple

28 Barracuda 4XL Product Manual, Rev. B6.5 Mechanical specificationsThe following nominal dimensions are exclusive of the decorative front panel acces

Barracuda 4XL Product Manual, Rev. B 29Figure 7. Mounting configuration dimensions for models “W” and “WD”A [3]FDEL[1][3]BGC[4]InchesABCDEFGHJKLMNPRST

© 1997 Seagate Technology, Inc. All rights reservedPublication number: 77767500, Rev. BNovember 1997Seagate, Seagate Technology, and the Seagate logo

30 Barracuda 4XL Product Manual, Rev. BFigure 8. Mounting configuration dimensions for models “WC” and “DC”A [3]FDEL[1][3]GInchesABCDEFGHJKLMNPRSTUVWY

Barracuda 4XL Product Manual, Rev. B 317.0 Defect and error managementThe drive, as delivered, complies with this specification. The read error rate a

Barracuda 4XL Product Manual, Rev. B 338.0 InstallationThe first thing to do when installing a drive is to set the drive ID (select) on the SCSI bus a

34 Barracuda 4XL Product Manual, Rev. BFigure 9. Barracuda 4XL family drive ID select header for models “N”Notes for Figures 9 through 13 are in Secti

Barracuda 4XL Product Manual, Rev. B 35Figure 10. Barracuda 4XL family drive ID select for models “W,” “WC,” “WD,” and “DC”SCSI ID = 0 (default)Jumper

36 Barracuda 4XL Product Manual, Rev. BFigure 11. Barracuda 4XL family drive ID select header J1-auxiliary for models “W” and “WD”(J1-Auxiliary Pins 1

Barracuda 4XL Product Manual, Rev. B 37Figure 12. Barracuda 4XL family drive option select header for models “N,” “W,” and “WD”Figure 13. Barracuda 4X

38 Barracuda 4XL Product Manual, Rev. B8.1.1 Notes for Figures 9, 10, 11, 12, and 13.[1] Notes explaining the functions of the various jumpers on jump

Barracuda 4XL Product Manual, Rev. B 39[c] The host can drive a remotely located Drive Activity LED using signal.[d] Use either J1 or J6, but not both

Revision status summary sheetNotice.This manual is volume 1 of a two-volume document with the SCSI interface information in the Volume 2SCSI Interface

40 Barracuda 4XL Product Manual, Rev. B8.1.2 Function description*See Figure 12 for pins used for Termpower.J2JumperInstallation Jumper Function Descr

Barracuda 4XL Product Manual, Rev. B 418.2 Drive orientationThe balanced rotary arm actuator design of the drive allows it to be mounted in any orient

42 Barracuda 4XL Product Manual, Rev. B8.4 Drive mountingRefer to Figure 5 on page 26 for an illustration of the recommended mounting orientationsWhen

Barracuda 4XL Product Manual, Rev. B 439.0 Interface requirementsThis section describes Barracuda 4XL interface requirements.9.1 General descriptionTh

44 Barracuda 4XL Product Manual, Rev. B9.3 SCSI interface commands supportedTable 6 following lists the SCSI interface commands that are supported in

Barracuda 4XL Product Manual, Rev. B 45Mode sense 1Ah Y [2]Caching parameters page (08h) YControl mode page (0Ah) YDisconnect/reconnect (02h) (DTDC, D

46 Barracuda 4XL Product Manual, Rev. B[1] The drive can format to any even number of bytes per sector from 180 to 4,096.[2] Tables 8 and 9 show how i

Barracuda 4XL Product Manual, Rev. B 47Table 7 lists the Standard Inquiry command data that the drive should return to the initiator per the format gi

48 Barracuda 4XL Product Manual, Rev. B9.3.2 Mode Sense dataThe Mode Sense command provides a means for the drive to report its operating parameters t

Barracuda 4XL Product Manual, Rev. B 49The following tables list the values of the data bytes returned by the drive in response to the Mode Sense com-

50 Barracuda 4XL Product Manual, Rev. B[1] Though byte 12, bit 7 (A0) is shown as changeable, the FSW function governed by that bit is not imple-mente

Barracuda 4XL Product Manual, Rev. B 519.4 SCSI bus conditions and miscellaneous features supportedAsynchronous SCSI bus conditions supported by the d

52 Barracuda 4XL Product Manual, Rev. B9.5 Synchronous data transfer9.5.1 Synchronous data transfer periods supportedTable 11 and Section 9.5.2 list S

Barracuda 4XL Product Manual, Rev. B 53Figure 15. Physical interface for “N” model drivesJ14P 3P 2P 1PPin1P2P3P4PPower+12V+12V ret+ 5V ret+ 5VPin 1S

54 Barracuda 4XL Product Manual, Rev. BFigure 16. Physical interface for “W” and “WD” model drivesNote: See Tables 16 and 17 for DC power pin assignme

Barracuda 4XL Product Manual, Rev. B 559.6.2 SCSI interface physical descriptionThe drives may be daisy-chained together or with other compatible SCSI

56 Barracuda 4XL Product Manual, Rev. B9.6.3.1 Single-ended I/O circuits (“N” and “W” models)The maximum total cable length allowed with drives having

Barracuda 4XL Product Manual, Rev. B 579.6.4.1 Mating connectors for “N” modelsThe nonshielded cable connector shall be a 50 conductor connector consi

58 Barracuda 4XL Product Manual, Rev. BRecommended mating 80-position PCB mount connectors: Right-angle to PCB connectorsSeagate P/N: 77678559 Amp US

Barracuda 4XL Product Manual, Rev. B 59Figure 19. Nonshielded 50 pin SCSI device connector used on “N” model drives1234.100(2.54)"D" ± .010T

Barracuda 4XL Product Manual, Rev. B viiContents1.0 Scope . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

60 Barracuda 4XL Product Manual, Rev. BFigure 20. Non-shielded 68 pin SCSI device connector used on “W” and “WD” model drives.0787(2.00).519(13.18).31

Barracuda 4XL Product Manual, Rev. B 61Figure 21. Non-shielded 80 pin SCSI “SCA-2” connector, used on “WC” and “DC” model drives7.00(.276)12.70(.500)5

62 Barracuda 4XL Product Manual, Rev. BTable 13: Model “N,” single ended I/O, 50 conductor, signal/contact assignmentsNote. The minus sign next to the

Barracuda 4XL Product Manual, Rev. B 63Table 14: “W” models single ended I/O cable 68 conductor signal/contact assignmentsNote. The minus sign next to

64 Barracuda 4XL Product Manual, Rev. BTable 15: “WD” models differential cable 68 conductor signal/pin assignments (Nonshielded connector)[13]Note. T

Barracuda 4XL Product Manual, Rev. B 65Table 16: “WC” models single ended I/O, 80 conductor cable signal/contact assignmentsNote. The minus sign next

66 Barracuda 4XL Product Manual, Rev. BTable 17: “DC” differential models, 80 pin I/O connector pin assignments (Non-shielded connector) [13]Note. The

Barracuda 4XL Product Manual, Rev. B 67Notes [ ] for Tables 13 through 17.[1] See Section 9.7.1 or 9.6.4.2 for detailed electrical characteristics of

68 Barracuda 4XL Product Manual, Rev. B9.7 Electrical description“N” and “W” models use single-ended interface signals. These signals must be terminat

Barracuda 4XL Product Manual, Rev. B 699.7.2 Differential drivers/receiversDifferential drivers and receivers are used by the “WD,” and “DC” models. T

viii Barracuda 4XL Product Manual, Rev. B6.4.2 Relative humidity . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

70 Barracuda 4XL Product Manual, Rev. BNotes.[1] Positive Logic Enables Transmitter (+5 V = Asserted)Negative Logic Enables Receivers (0 V = Asserted)

Barracuda 4XL Product Manual, Rev. B 719.8 Terminator requirementsInternal disc drive I/O termination (provided only in model “N” and “W” drives singl

72 Barracuda 4XL Product Manual, Rev. B9.10 Disc drive SCSI timingTable 18: Disc drive SCSI timingDescriptionWaveformsymbol [1]Waveformtable [1] Typic

Barracuda 4XL Product Manual, Rev. B 73Notes.[1] See SCSI Interface Product Manual (part number 77738479), Section 4.5[2] Maximum SCSI asynchronous in

Barracuda 4XL Product Manual, Rev. B 7510.0 Seagate technical support servicesIf you need assistance installing your drive, consult your dealer. Deale

76 Barracuda 4XL Product Manual, Rev. BDirect-support servicesSeagate technical supportFor one-on-one help, you can talk to a technical support specia

Barracuda 4XL Product Manual, Rev. B 77IndexSymbols+5 and +12 volt supplies 21Numerics50 conductor connector 5750 conductor flat cable 5550 pin

78 Barracuda 4XL Product Manual, Rev. Bcurrent requirements 21current value 48, 49cylinder boundary 13Ddaisy-chain 22, 55, 57, 58, 6

Barracuda 4XL Product Manual, Rev. B 79Ffast SCSI transfer rate 55Fast-20 SCSI 5, 7fault status 15FCC rules and regulations 3field repair

Barracuda 4XL Product Manual, Rev. B ixFiguresFigure 1. Barracuda 4XL family drive . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

80 Barracuda 4XL Product Manual, Rev. Bmean time between failure. See MTBFmedia 7, 48media defect 15media defect induced error 15medium error

Barracuda 4XL Product Manual, Rev. B 81printed circuit board. See PCBPRML read channel electronics 5product data page 47programmable drive capacit

82 Barracuda 4XL Product Manual, Rev. Bsingle-ended SCSI driver 7, 55, 68single-ended SCSI receiver 7, 55, 68site installation 16SMART

Seagate Technology, Inc.920 Disc Drive, Scotts Valley, California 95066-4544, USAPublication Number: 77767500, Rev. B, Printed in USA