Seagate BARRACUDA 36 ST136475LW/LC Manual

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Barracuda 36 Family:. . . . . . . . . . . . . . . .

Barracuda 36 Product Manual, Rev. C 11.0 ScopeThis manual describes the Seagate Technology®, LLC, Barracuda 36™ disc drives. Barracuda 36 drives suppo

Barracuda 36 Product Manual, Rev. C 32.0 Applicable standards and reference documentationThe drive has been developed as a system peripheral to the hi

4 Barracuda 36 Product Manual, Rev. CAustralian C-TickIf this model has the C-Tick Marking it complies with the Australia/New Zealand Standard AS/NZS3

Barracuda 36 Product Manual, Rev. C 53.0 General descriptionBarracuda 36 drives combine magnetoresistive (MR) heads, partial response/maximum likeliho

6 Barracuda 36 Product Manual, Rev. C Figure 2. Barracuda 36 family drive

Barracuda 36 Product Manual, Rev. C 73.1 Standard featuresThe Barracuda 36 family has the following standard features:• Integrated SCSI controller• Mu

8 Barracuda 36 Product Manual, Rev. C3.5 Unformatted and formatted capacitiesFormatted capacity depends on the number of spare reallocation sectors re

Barracuda 36 Product Manual, Rev. C 94.0 Performance characteristics4.1 Internal drive characteristics (transparent to user) 4.2 SCSI performance ch

10 Barracuda 36 Product Manual, Rev. CSCSI interface data transfer rate (asynchronous) [5]:Maximum instantaneous 3.5 Mbytes/sec [6]Maximum average 3.5

Barracuda 36 Product Manual, Rev. C 114.4 Prefetch/multi-segmented cache controlThe drive provides prefetch (read look-ahead) and multi-segmented cach

12 Barracuda 36 Product Manual, Rev. C4.5.1 Caching write dataWrite caching is a write operation by the drive that makes use of a drive buffer storage

Barracuda 36 Product Manual, Rev. C 135.0 Reliability specificationsThe following reliability specifications assume correct host/drive operational int

14 Barracuda 36 Product Manual, Rev. C5.1.4 Seek errorsA seek error is defined as a failure of the drive to position the heads to the addressed track.

Barracuda 36 Product Manual, Rev. C 155.2.6 Hot plugging Barracuda 36 disc drivesThe ANSI SPI-2 (T10/1142D) document defines the physical requirements

16 Barracuda 36 Product Manual, Rev. CThe drive can be interrogated by the host to determine the time remaining before the next scheduled measure-ment

Barracuda 36 Product Manual, Rev. C 17ShippingWhen transporting or shipping a drive, a Seagate approved container must be used. Keep your original box

Barracuda 36 Product Manual, Rev. C 196.0 Physical/electrical specificationsThis section provides information relating to the physical and electrical

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Barracuda 36 Family:. . . . . . . . . . . . . . . .

20 Barracuda 36 Product Manual, Rev. C6.2.1 Conducted noise immunityNoise is specified as a periodic and random distribution of frequencies covering a

Barracuda 36 Product Manual, Rev. C 21 Figure 3b. Typical Barracuda 36 family drive +5 V current profile0.0 4 8 12 20 24 28 32 400.00.20.40.60.81.0

22 Barracuda 36 Product Manual, Rev. C6.3 Power dissipationTo obtain drive typical operating random read (8 blocks) power dissipation at nominal volta

Barracuda 36 Product Manual, Rev. C 23gradient of 36°F (20°C) per hour. The enclosure for the drive should be designed such that the tempera-tures at

24 Barracuda 36 Product Manual, Rev. C [1] Bottom side of PCBAFigure 4. Locations of PCBA components listed in Table 3HDA Temp.Check Point.5"

Barracuda 36 Product Manual, Rev. C 256.4.2 Relative humidityThe values below assume that no condensation on the drive occurs.a. Operating5% to 95% no

26 Barracuda 36 Product Manual, Rev. Cd. PackagedDisc drives shipped as loose load (not palletized) general freight will be packaged to withstand drop

Barracuda 36 Product Manual, Rev. C 276.4.4.2 Vibrationa. Operating - normalThe drive as installed for normal operation, shall comply with the complet

28 Barracuda 36 Product Manual, Rev. C6.5 Mechanical specificationsThe following table lists nominal dimensions for the drive. Refer to Figures 6a and

Barracuda 36 Product Manual, Rev. C 29 Figure 6b. Mounting configuration dimensions for “LC” modelB[5]LConnector CenterlinePin 1Notes:FDAE[3]CG[1]

© 1997-2000 Seagate Technology, LLC All rights reservedPublication number: 77767528, Rev. CAugust 2000Seagate, Seagate Technology, and the Seagate lo

Barracuda 36 Product Manual, Rev. C 317.0 Defect and error managementThe drive, as delivered, complies with this specification. The read error rate an

32 Barracuda 36 Product Manual, Rev. C[1] These values may change at any time. They are presently for general information only.Setting these retry cou

Barracuda 36 Product Manual, Rev. C 338.0 InstallationThe first thing to do when installing a drive is to set the drive ID (select) on the SCSI bus an

34 Barracuda 36 Product Manual, Rev. C [1] Voltage supplied by driveFigure 7a. Barracuda 36 family drive ID select for models “LW” and “LC”SCSI ID

Barracuda 36 Product Manual, Rev. C 35 [1] Voltage supplied by driveFigure 7b. Barracuda 36 family drive ID select header J5 for “LW” model (J5 Pi

36 Barracuda 36 Product Manual, Rev. C [1] Jumper position names shown here are not marked on the PCBA. They are shown here for reference only.Add

Barracuda 36 Product Manual, Rev. C 378.1.1 Function descriptionJ2jumperinstallation Jumper function descriptionSEOn Forces drive to use single-ended

38 Barracuda 36 Product Manual, Rev. C8.2 Drive orientationThe balanced rotary arm actuator design of the drive allows it to be mounted in any orienta

Barracuda 36 Product Manual, Rev. C 398.4 Drive mountingWhen mounting the drive using the bottom holes (x-y plane in Figure 5) care must be taken to e

Revision status summary sheet Notice.Product Manual 77767528 is Volume 1 of a two volume document with the SCSI Interface information inthe Volume

Barracuda 36 Product Manual, Rev. C 419.0 Interface requirements9.1 General descriptionThis section describes in essentially general terms the interfa

42 Barracuda 36 Product Manual, Rev. C9.3 SCSI interface commands supportedTable 6 following lists the SCSI interface commands that are supported in t

Barracuda 36 Product Manual, Rev. C 43Mode select (10) 55h YCapacity Programming YMode sense 1Ah Y [2]Caching parameters page (08h) YControl mode page

44 Barracuda 36 Product Manual, Rev. C[1] The drive can format to any sector size from 512 to 2,048 bytes/sector in multiples of 2 bytes/sector.[2] Ta

Barracuda 36 Product Manual, Rev. C 45Table 7 lists the Standard Inquiry command data that the drive should return to the initiator per the format giv

46 Barracuda 36 Product Manual, Rev. CTable 8: Vital product data pagesByte Page SupportedUnit serial number page 80h0 Peripheral qualifier/peripheral

Barracuda 36 Product Manual, Rev. C 479.3.2 Mode Sense dataThe Mode Sense command provides a means for the drive to report its operating parameters to

48 Barracuda 36 Product Manual, Rev. CThe following tables list the values of the data bytes returned by the drive in response to the Mode Sense com-m

Barracuda 36 Product Manual, Rev. C 499.4 SCSI bus conditions and miscellaneous features supportedAsynchronous SCSI bus conditions supported by the dr

50 Barracuda 36 Product Manual, Rev. CY Multi-initiatorY Multi-mode drivers/receivers (single-ended/differential)Y Parameter roundingY Power managemen

Barracuda 36 Product Manual, Rev. C 519.5 Synchronous data transfer9.5.1 Synchronous data transfer periods supportedTable 11 and Section 9.5.2 list Sy

52 Barracuda 36 Product Manual, Rev. C Figure 9a. Model “LW” drive physical interface (68 pin J1 SCSI I/O connector) Note: See Table 13d for D

Barracuda 36 Product Manual, Rev. C 539.6.2 SCSI interface physical descriptionThe drive models described by this product manual support the physical

54 Barracuda 36 Product Manual, Rev. CFor “LC” model:The 80 pin connector option is intended for use on drives that plug directly into a PCBA or wall/

Barracuda 36 Product Manual, Rev. C 55Recommended mating 80-position PCBA mount connectors: Right-angle to PCBA connectorsSeagate P/N: 77678559 Amp U

56 Barracuda 36 Product Manual, Rev. C Figure 11a. Nonshielded 68 pin SCSI device connector used on “LW” models.0787(2.00).519(13.18).315(8.00)3.6

Barracuda 36 Product Manual, Rev. C 57 Figure 11b. Nonshielded 80 pin SCSI “SCA-2” connector, used on “WC” and “LC” models7.00(.276)12.70(.500)2.1

58 Barracuda 36 Product Manual, Rev. CTable 13a: “LW” models SE operation 68 conductor cable signal/pin assignments (Nonshielded connector)[11]Note.Th

Barracuda 36 Product Manual, Rev. C 59Table 13b: “LW” models differential 68 conductor cable signal/pin assignments (Nonshielded connector)[11]Note.Th

Barracuda 36 Product Manual, Rev. C viiTable of Contents1.0 Scope . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

60 Barracuda 36 Product Manual, Rev. CTable 13c: “LC” SE models, 80 pin I/O connector pin assignments (nonshielded connector) [11]Notes [ ]: See page

Barracuda 36 Product Manual, Rev. C 61Table 13d: “LC” differential models, 80 pin I/O connector pin assignments (nonshielded connector) [11]Note.The m

62 Barracuda 36 Product Manual, Rev. CNotes [ ] for Tables 13a, 13b, 13c, and 13d.[1] See Section 9.7.1 or 9.7.1 for detailed electrical characteristi

Barracuda 36 Product Manual, Rev. C 639.7 Electrical description“LC” models use the single connection attachment (SCA) connector. This 80-pin connecto

64 Barracuda 36 Product Manual, Rev. CFigure 12. LVD output signalsInput characteristicsEach signal (Vs) received by LVD interface receiver circuits s

Barracuda 36 Product Manual, Rev. C 659.8 Terminator requirementsAll single initiator/single target (non-daisy-chain) applications require that the In

66 Barracuda 36 Product Manual, Rev. C9.10 Disc drive SCSI timingTable 14: Disc drive SCSI timingThese values are not current Barracuda 36 values, but

Barracuda 36 Product Manual, Rev. C 67Notes.[1] See the SCSI Interface Product Manual, part number 77738479.[2] Maximum SCSI asynchronous interface tr

Barracuda 36 Product Manual, Rev. C 6910.0 Seagate Technology support servicesOnline ServicesInternetwww.seagate.com for information about Seagate pro

viii Barracuda 36 Product Manual, Rev. C6.4.3 Effective altitude (sea level). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

70 Barracuda 36 Product Manual, Rev. CTechnical SupportIf you need help installing your drive, consult your dealer. Dealers are familiar with their un

Barracuda 36 Product Manual, Rev. C 71European Support ServicesFor European customer support, dial the toll-free number for your specific country for

Barracuda 36 Product Manual, Rev. C 73Appendix A. Sense keys and additional sense codes supportedAdditional sense code and qualifierSensekey Descripti

74 Barracuda 36 Product Manual, Rev. C12 00 No address mark in ID field N13 00 No address mark in data field N14 00 Sector not found Y14 01 No record

Barracuda 36 Product Manual, Rev. C 7529 06 Transceiver mode changed to LVD Y2A 00 Parameters changed by another initiator N2A 01 Mode select paramete

Barracuda 36 Product Manual, Rev. C 77IndexSymbols+5 and +12 volt supplies 19“G” list 31“P” list 31Numerics68 conductor connector 5468 pin con

78 Barracuda 36 Product Manual, Rev. CDdaisy-chain 20, 53, 55, 6580 conductor 54data area 20data correction 13data transfer period 51d

Barracuda 36 Product Manual, Rev. C 79format command 9format time 10formatted 8formatting 33front panel LED 62GGOOD 12gradient 23, 25g

Barracuda 36 Product Manual, Rev. C ixList of FiguresFigure 1. Barracuda 36 family drive. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

80 Barracuda 36 Product Manual, Rev. Cmounting surface 39mounting surface distortion 39mounting surface stiffness 39MR heads 5MTBF 13, 14,

Barracuda 36 Product Manual, Rev. C 81reliability specifications 13remote switch 33repair facility 14repair information 17REQ/ACK offset 51r

82 Barracuda 36 Product Manual, Rev. Csynchronous transfer period 67synchronous transfer rate 10system chassis 39system recovery procedures 13

Seagate Technology, LLC920 Disc Drive, Scotts Valley, California 95066-4544, USAPublication Number: 77767528, Rev. C, Printed in USA