Seagate BARRACUDA 9 Manual

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Barracuda 9 Disc Drive. . . . . . . . . . . . . . .

Barracuda 9 Product Manual, Rev. C 11.0 ScopeThis manual describes Seagate Technology®, Inc. Barracuda 9™ disc drives.Barracuda 9 drives support the s

Barracuda 9 Product Manual, Rev. C 32.0 Applicable standards and reference documentationThe drive is a system peripheral developed to the highest stan

4 Barracuda 9 Product Manual, Rev. CAustralian C-TickIf this model has the C-Tick Marking it complies with the Australia/New Zealand Standard AS/NZS35

Barracuda 9 Product Manual, Rev. C 53.0 General descriptionBarracuda 9 drives combine magnetoresistive (MR) heads, partial response/maximum likelihood

6 Barracuda 9 Product Manual, Rev. CFigure 2. Barracuda 9 family drive3.1 Standard featuresBarracuda 9 drives have the following standard features:• I

Barracuda 9 Product Manual, Rev. C 73.2 Media characteristicsThe media used on the drive has a diameter of approximately 3.5 inches (86 mm). The alumi

8 Barracuda 9 Product Manual, Rev. C3.8 Options (factory installed)All options that a customer may request are incorporated during production or packa

Barracuda 9 Product Manual, Rev. C 94.0 Performance characteristics4.1 Internal drive characteristics (transparent to user)[1] Rounded off values4.2 S

10 Barracuda 9 Product Manual, Rev. CSCSI interface data transfer rate (asynchronous) [4]:Maximum instantaneous 5.0 Mbytes/sec [5]Maximum average 10.0

Barracuda 9 Product Manual, Rev. C 114.3 Start/stop timeDisabling the Motor Start option causes the drive to become ready within 30 seconds after DC p

12 Barracuda 9 Product Manual, Rev. CCase B - Read command is received and the first logical block address requested is not in any segment of thecache

Barracuda 9 Product Manual, Rev. C 13replaces data already in some buffer segment(s), the host can limit the amount of prefetch data to optimizesystem

Barracuda 9 Product Manual, Rev. C 155.0 Reliability specificationsThe following reliability specifications assume correct host/drive operational inte

16 Barracuda 9 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 9 Product Manual, Rev. C 175.2.6 Hot plugging Barracuda 9 disc drivesCaution: Hot-plug drives are not designed for simultaneous power discon

18 Barracuda 9 Product Manual, Rev. CThe purpose is to allow the customer to control when S.M.A.R.T. interruptions occur. As described above, forc-ing

Barracuda 9 Product Manual, Rev. C 19Seagate repair centers may refuse receipt of components improperly packaged or obviously damaged in tran-sit. Con

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Barracuda 9 Disc Drive. . . . . . . . . . . . . . .

Barracuda 9 Product Manual, Rev. C 216.0 Physical/electrical specificationsThis section provides information relating to the physical and electrical c

22 Barracuda 9 Product Manual, Rev. C[9] Track following at track 0.[10] Seeking is defined as a third-stroke seek at OD. A command is issued every 20

Barracuda 9 Product Manual, Rev. C 23Figure 3. Typical Barracuda 9 drive +5 V and +12 V current profile6.3 Power dissipationST19171N/W/WCFor drives wi

24 Barracuda 9 Product Manual, Rev. Cthese temperatures. See Section 8.3.1. Continual or sustained operation at case temperatures above thesevalues ma

Barracuda 9 Product Manual, Rev. C 25Figure 4a. Location of PCB components listed in Table 321432431ST19171N DrivesDYKXST19171WD DrivesFYJXST19171WC D

26 Barracuda 9 Product Manual, Rev. CFigure 4b. Location of PCB components listed in Table 321432431ST19171N DrivesABAJST19171WD DrivesCBAJST19171WC D

Barracuda 9 Product Manual, Rev. C 27b. Non-operatingNon-operating temperature should remain between –40° to 158°F (–40° to 70°C) package ambient with

28 Barracuda 9 Product Manual, Rev. Cd. PackagedDisc drives shipped as loose load (not palletized) general freight will be packaged to withstand drops

Barracuda 9 Product Manual, Rev. C 29Vibration occurring at these levels may degrade operational performance during the abnormal vibrationperiod. Spe

© 1997 Seagate Technology, Inc. All rights reservedPublication number: 83329030, Rev. CJuly 1997Seagate, Seagate Technology, and the Seagate logo are

30 Barracuda 9 Product Manual, Rev. C6.5 Mechanical specificationsThe following nominal dimensions are exclusive of the decorative front panel accesso

Barracuda 9 Product Manual, Rev. C 31Figure 7. Mounting configuration dimensions for “W” and “WD” modelsAPNF.050 in. (1.27mm)minimum clearanceRDGECML

32 Barracuda 9 Product Manual, Rev. CFigure 8. Mounting configuration dimensions for “WC” and “DC” modelsAPNF.050 in. (1.27mm)minimum clearanceRDGECM

Barracuda 9 Product Manual, Rev. C 337.0 Defect and error managementThe drive, as delivered, complies with this product manual. The read error rate an

34 Barracuda 9 Product Manual, Rev. C[1] Setting these retry counts to a value below the default setting could result in degradation of the unrecov-er

Barracuda 9 Product Manual, Rev. C 358.0 InstallationThe first thing to do when installing a drive is to set the drive ID (select) on the SCSI bus and

36 Barracuda 9 Product Manual, Rev. CFigure 9. ST19171N option select jumper connectorsSCSI ID = 0 (default)Jumper Plug(enlarged toshow detail)J6 [

Barracuda 9 Product Manual, Rev. C 37Figure 10. ST19171W/WD option select jumper connectorsSCSI ID = 0 (default)Jumper Plug(enlarged toshow detail)

38 Barracuda 9 Product Manual, Rev. CFigure 11. ST19171WC/DC option select jumper connectorsJumper Plug(enlarged toshow detail)J6 [4]DriveFrontPin

Barracuda 9 Product Manual, Rev. C 398.1.1 Notes for Figures 9, 10, and 11[1] Notes explaining the functions of the various jumpers on jumper header c

Revision status summary sheetThis manual is volume 1 of a two-volume document with the SCSI interface information in the volume 2SCSI Interface Produc

40 Barracuda 9 Product Manual, Rev. C8.1.2 Function description*See Tables 13, 14, and 15 for pins used for Termpower.J2 Jumpers Jumper Function Descr

Barracuda 9 Product Manual, Rev. C 418.2 Drive orientationThe balanced rotary arm actuator design of the drive allows it to be mounted in any orientat

42 Barracuda 9 Product Manual, Rev. C8.4 Drive mountingWhen mounting the drive using the bottom holes (x-y plane in Figure 5), care must be taken to e

Barracuda 9 Product Manual, Rev. C 439.0 Interface requirementsThis section describes Barracuda 9 interface requirements.9.1 General descriptionThis s

44 Barracuda 9 Product Manual, Rev. C9.3 SCSI interface commands supportedTable 7 lists the SCSI interface commands that are supported in the SCSI-2 a

Barracuda 9 Product Manual, Rev. C 45Mode select (same pages as Mode Sense command, see below)15h Y [2]Mode select (10) 55h YMode sense 1Ah Y [2]Cachi

46 Barracuda 9 Product Manual, Rev. C[1] The drive can format to any even number of bytes per sector from 180 to 4096.[2] Table 9 shows how individual

Barracuda 9 Product Manual, Rev. C 479.3.1 Inquiry dataTable 8 following lists the Standard Inquiry command data that the drive returns to the initiat

48 Barracuda 9 Product Manual, Rev. CSaved values are stored on the disk media using a Mode Select command. Only parameter values that areallowed to b

Barracuda 9 Product Manual, Rev. C 49The following tables list the values of the data bytes returned by the drive in response to the Mode Sense com-ma

50 Barracuda 9 Product Manual, Rev. C[1] Though byte 12, bit 7 is shown as changeable, the FSW function governed by that bit is not implementedby this

Barracuda 9 Product Manual, Rev. C 519.4 SCSI bus conditions and miscellaneous features supportedAsynchronous SCSI bus conditions supported by the dri

52 Barracuda 9 Product Manual, Rev. C9.5 Synchronous data transferThe data transfer period to be used by the drive and the initiator is established by

Barracuda 9 Product Manual, Rev. C 53Figure 13. Physical interface for “N” model drivesJ2J6Pin 1SCSI I/OConnectorPin 1DC PowerConnectorJ1J1Pin1P2P

54 Barracuda 9 Product Manual, Rev. CFigure 14. Physical interface for “W” and “WD” model drives (68-pin J1 SCSI I/O connector)Note: See Table 16 and

Barracuda 9 Product Manual, Rev. C 559.6.2 SCSI interface physical descriptionThe drives may be daisy-chained together or with other compatible SCSI d

56 Barracuda 9 Product Manual, Rev. C9.6.3.1 Single-ended I/O circuits (“N,” “W,” and “WC” models)The maximum total cable length allowed with drives h

Barracuda 9 Product Manual, Rev. C 579.6.4 Mating connectorsPart numbers for connectors that mate with the various Barracuda 9 I/O connectors are give

58 Barracuda 9 Product Manual, Rev. CTo insure that both drive connector and host equipment mating connector mate properly, both drive connectorand ho

Barracuda 9 Product Manual, Rev. C 59[1] Closed-end type 50-pin connector used. Install terminator enable (TE) jumper plug.[2] Open-end type (in-line

Barracuda 9 Product Manual, Rev. C vContents1.0 Scope . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

60 Barracuda 9 Product Manual, Rev. CFigure 17. Non-shielded 50-pin SCSI device connector1234.100(2.54)"D" ± .010Typ..045(1.14)"C&quo

Barracuda 9 Product Manual, Rev. C 61Figure 18. Non-shielded 68-pin SCSI device connector.0787(2.00).519(13.18).315(8.00)3.650(92.71).840 ± .005(

62 Barracuda 9 Product Manual, Rev. CFigure 19. Non-shielded 80-pin SCSI connector, used on “WC” model.060(1.52).052(1.32).038±.004(.97±0.10).106(

Barracuda 9 Product Manual, Rev. C 63Table 13: Single-ended signal/contact assignments for ST19171N drives*CAUTION: Connector contact 25 must not be c

64 Barracuda 9 Product Manual, Rev. CTable 14: Single-ended wide cable assignments for ST19171W drivesNotes [ ]: See page following Table 17.Signalnam

Barracuda 9 Product Manual, Rev. C 65Table 15: Wide differential P cable assignments (non-shielded connector) for ST19171WD drivesNote. The minus sign

66 Barracuda 9 Product Manual, Rev. CTable 16: Wide, single connector, single-ended signal/contact assignments for ST19171WC drives Notes [ ]: See pag

Barracuda 9 Product Manual, Rev. C 67Table 17: Wide, single connector, differential signal/contact assignments for ST19171DC drivesNotes [ ]: See page

68 Barracuda 9 Product Manual, Rev. CNotes [ ] for Tables 13 through 17:[1] See Section 9.7.1 for detailed electrical characteristics of these signals

Barracuda 9 Product Manual, Rev. C 699.7 Electrical descriptionST19171N and ST19171W models use single-ended interface signals. These signals must be

vi Barracuda 9 Product Manual, Rev. C6.4.3 Effective altitude (sea level). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

70 Barracuda 9 Product Manual, Rev. C9.7.2 Differential drivers/receiversTypical differential driver and receiver circuits used by ST19171WD drives ar

Barracuda 9 Product Manual, Rev. C 71Notes.[1] Positive logic enables transmitter (+5 V = asserted).Negative logic enables receivers (0 V = asserted).

72 Barracuda 9 Product Manual, Rev. C9.8 Terminator requirementsST19171N and ST19171W drivesInternal disc drive I/O termination consists of active cir

Barracuda 9 Product Manual, Rev. C 739.10 Disc drive SCSI timingTable 18: Disc drive SCSI timingDescriptionWaveformsymbol [1]Waveformtable [1] Typical

74 Barracuda 9 Product Manual, Rev. CNotes.[1] See the SCSI Interface Product Manual, part number 77738479, Section 4.5.[2] Maximum SCSI asynchronous

Barracuda 9 Product Manual, Rev. C 7510.0 Seagate technical support servicesIf you need assistance installing your drive, consult your dealer. Dealers

76 Barracuda 9 Product Manual, Rev. CDirect-support servicesSeagate technical supportFor one-on-one help, you can talk to a technical support speciali

Barracuda 9 Product Manual, Rev. C 77IndexNumerics12 V current profile 223rd party reserve command 45AabortSCSI message 43abort-tagSCSI message

78 Barracuda 9 Product Manual, Rev. CDC power connector 52DC power requirements 21DCRT bit supported 44dedicated landing zone 5, 6default

Barracuda 9 Product Manual, Rev. C 79head and disc assembly 5, 6, 41ground 42head of queue tagSCSI message 43high level format 35host 39

Barracuda 9 Product Manual, Rev. C viiList of FiguresFigure 1. Barracuda 9 disc drive (ST19171N drive shown). . . . . . . . . . . . . . . . . . . . .

80 Barracuda 9 Product Manual, Rev. Cmounting configuration dimensions"N" models 30"W" and "WD" models 31"WC&qu

Barracuda 9 Product Manual, Rev. C 81remote switch 35repair 16reporting actual retry count 51REQ/ACK offset 52request sense command 34, 45

82 Barracuda 9 Product Manual, Rev. Cterminate I/O processSCSI message 43terminator 35, 72circuits 69enable jumper TE 35power 72requiremen

Seagate Technology, Inc.920 Disc Drive, Scotts Valley, California 95066-4544, USAPublication Number: 83329030, Rev. C, Printed in USA