Seagate ST318404LW Manuel

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Cheetah 18XL Family:. . . . . . . . . . . . . . . .

Cheetah 18XL Product Manual, Rev. G 11.0 ScopeThis manual describes Seagate Technology® LLC Cheetah 18XL™ disc drives.Cheetah 18XL drives support the

2 Cheetah 18XL Product Manual, Rev. G

Cheetah 18XL Product Manual, Rev. G 32.0 Applicable standards and reference documentationThe drive has been developed as a system peripheral to the hi

4 Cheetah 18XL Product Manual, Rev. GAustralian C-TickIf this model has the C-Tick Marking it complies with the Australia/New Zealand Standard AS/NZS3

Cheetah 18XL Product Manual, Rev. G 53.0 General descriptionCheetah 18XL drives combine giant magnetoresistive (GMR) heads, partial response/maximum l

6 Cheetah 18XL Product Manual, Rev. GA high-performance actuator assembly with a low-inertia, balanced, patented, straight-arm design providesexcellen

Cheetah 18XL Product Manual, Rev. G 73.1 Standard featuresThe Cheetah 18XL family has the following standard features:• Integrated Ultra160 SCSI contr

8 Cheetah 18XL Product Manual, Rev. G3.5 Unformatted and formatted capacitiesFormatted capacity depends on the number of spare reallocation sectors re

Cheetah 18XL Product Manual, Rev. G 94.0 Performance characteristics4.1 Internal drive characteristics (transparent to user) 4.2 SCSI performance ch

10 Cheetah 18XL Product Manual, Rev. GSector Sizes:Default 512 byte user data blocksVariable 512 to 4,096 bytes per sector in even number of bytes per

Cheetah 18XL Product Manual, Rev. G 11command is retrieved from the buffer (if it is there), before any disc access is initiated. If cache operation i

12 Cheetah 18XL Product Manual, Rev. GThe Synchronize Cache command may be used to force the drive to write all cached write data to the medium.Upon c

Cheetah 18XL Product Manual, Rev. G 135.0 Reliability specificationsThe following reliability specifications assume correct host/drive operational int

14 Cheetah 18XL Product Manual, Rev. Gerror (15h) is reported with a Medium error (3h) or Hardware error (4h) reported in the Sense Key. This is anunr

Cheetah 18XL Product Manual, Rev. G 155.2.3 Preventive maintenanceNo routine scheduled preventive maintenance shall be required.5.2.4 Service lifeThe

16 Cheetah 18XL Product Manual, Rev. G5.2.8 S.M.A.R.T.S.M.A.R.T. is an acronym for Self-Monitoring Analysis and Reporting Technology. This technology

Cheetah 18XL Product Manual, Rev. G 17not exceed the threshold before the interval expires, then the error rate is considered to be acceptable. In eit

18 Cheetah 18XL Product Manual, Rev. G• Servo will not lock on track• Drive cannot read configuration tables from the discIn these conditions, the dri

Cheetah 18XL Product Manual, Rev. G 195.2.9.2.5 AbortThere are several ways to abort a diagnostic. You can use a SCSI Bus Reset or a Bus Device Reset

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Cheetah 18XL Product Manual, Rev. G 216.0 Physical/electrical specificationsThis section provides information relating to the physical and electrical

22 Cheetah 18XL Product Manual, Rev. G6.2.1 Conducted noise immunityNoise is specified as a periodic and random distribution of frequencies covering a

Cheetah 18XL Product Manual, Rev. G 23 Figure 3. Typical ST318404 drive +12 V current profile Figure 4. Typical ST39204 drive +12 V current

24 Cheetah 18XL Product Manual, Rev. G Figure 5. Typical ST318404 drive +5 V current profile Figure 6. TypicalST39204 drive +5 V current pro

Cheetah 18XL Product Manual, Rev. G 256.3 Power dissipationST318404For drives using single-ended interface circuits, typical power dissipation under i

26 Cheetah 18XL Product Manual, Rev. GST39204For drives using single-ended interface circuits, typical power dissipation under idle conditions is 7.0

Cheetah 18XL Product Manual, Rev. G 276.4 Environmental limitsTemperature and humidity values experienced by the drive must be such that condensation

28 Cheetah 18XL Product Manual, Rev. Gb. Non-operating–40° to 158°F (–40° to 70°C) package ambient with a maximum gradient of 36°F (20°C) per hour. Th

Cheetah 18XL Product Manual, Rev. G 296.4.4 Shock and vibrationShock and vibration limits specified in this document are measured directly on the driv

© 2001 Seagate Technology LLC All rights reservedPublication number: 75789506, Rev. GOctober 2001Seagate, Seagate Technology, and the Seagate logo are

30 Cheetah 18XL Product Manual, Rev. G Figure 12. Recommended mountingZYXZYX

Cheetah 18XL Product Manual, Rev. G 316.4.4.2 Vibrationa. Operating - NormalThe drive as installed for normal operation, shall comply with the complet

32 Cheetah 18XL Product Manual, Rev. G6.5 Mechanical specificationsThe following nominal dimensions are exclusive of the decorative front panel access

Cheetah 18XL Product Manual, Rev. G 33 Figure 14. ST318404LC mounting configuration dimensionsAMCRF[1]DEPMounting holes are 6-32 UNC 2B, three on

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Cheetah 18XL Product Manual, Rev. G 357.0 Defect and error managementThe drive, as delivered, complies with this specification. The read error rate an

36 Cheetah 18XL Product Manual, Rev. G[1] These values are subject to change.Setting these retry counts to a value below the default setting could res

Cheetah 18XL Product Manual, Rev. G 378.0 InstallationNote. These drives are designed to be used only on single-ended (SE) or low voltage differential

38 Cheetah 18XL Product Manual, Rev. G Figure 15. J6 jumper headerSCSI ID = 0 (default)Jumper Plug(enlarged toshow detail)J6DriveFrontPin 1Reserve

Cheetah 18XL Product Manual, Rev. G 39 Figure 16. J5 jumper header (on LW models only)SCSI ID = 8SCSI ID = 9SCSI ID = 10SCSI ID = 11SCSI ID = 12SC

Revision status summary sheet Notice.Product Manual 75789506 is Volume 1 of a two-volume document with the SCSI interface information inthe SC

40 Cheetah 18XL Product Manual, Rev. G Figure 17. J2 option select header8.1.1 Notes for figures 15, 16, and 17.[1] Notes explaining the functions

Cheetah 18XL Product Manual, Rev. G 418.1.2 Function descriptionJ2jumperinstallation Jumper function descriptionSEOn Forces drive to use single-ended

42 Cheetah 18XL Product Manual, Rev. G8.2 Drive orientationThe balanced rotary arm actuator design of the drive allows it to be mounted in any orienta

Cheetah 18XL Product Manual, Rev. G 438.4 Drive mountingWhen mounting the drive using the bottom holes (x-y plane in Figure 12) care must be taken to

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Cheetah 18XL Product Manual, Rev. G 459.0 Interface requirementsThis section partially describes the interface requirements as implemented on the driv

46 Cheetah 18XL Product Manual, Rev. GNotes.[1] Extended messages (see the SCSI Interface Product Manual, part number 75789509).[2] Supports all optio

Cheetah 18XL Product Manual, Rev. G 47 Factory log page (3Eh) YMode select (same pages as Mode Sense 1Ah) 15h Y [2]Mode select (10) (same pages as Mo

48 Cheetah 18XL Product Manual, Rev. G[1] The drive can format to any even number of bytes per sector from 512 to 4,096.[2] Tables 8 and 9 show how in

Cheetah 18XL Product Manual, Rev. G 49Table 7 lists the Standard Inquiry command data that the drive should return to the initiator per the format giv

50 Cheetah 18XL Product Manual, Rev. G9.3.2 Mode Sense dataThe Mode Sense command provides a means for the drive to report its operating parameters to

Cheetah 18XL Product Manual, Rev. G 51Table 8: Mode sense data, ST318404 values [1] Though byte 12, bit 7 (A0) is shown as changeable, the FSW functi

52 Cheetah 18XL Product Manual, Rev. Gmode), the SCSI firmware is performance optimized for desktop applications. The firmware default condi-tion for

Cheetah 18XL Product Manual, Rev. G 53Table 9: Mode sense data, ST39204 values [1] Though byte 12, bit 7 (A0) is shown as changeable, the FSW functio

54 Cheetah 18XL Product Manual, Rev. Gmode), the SCSI firmware is performance optimized for desktop applications. The firmware default condi-tion for

Cheetah 18XL Product Manual, Rev. G 559.4 SCSI bus conditions and miscellaneous features supportedAsynchronous SCSI bus conditions supported by the dr

56 Cheetah 18XL Product Manual, Rev. G9.5 Synchronous data transfer9.5.1 Synchronous data transfer periods supportedTable 11 and Section 9.5.2 list Sy

Cheetah 18XL Product Manual, Rev. G 57 Figure 19. LW model drive physical interface (68-pin J1 SCSI I/O connector) Figure 20. LC model drive p

58 Cheetah 18XL Product Manual, Rev. G9.6.2 SCSI interface physical descriptionThe drive models described by this product manual support the physical

Cheetah 18XL Product Manual, Rev. G 59and spacing, transfer rates, and cost to achieve satisfactory system operation. If shielded and unshieldedcables

Cheetah 18XL Product Manual, Rev. G vTable of Contents1.0 Scope . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

60 Cheetah 18XL Product Manual, Rev. GRecommended mating 80-position PCBA mount connectors: Right-angle to PCBA connectorsSeagate P/N: 77678559 Amp US

Cheetah 18XL Product Manual, Rev. G 61 Figure 22. Nonshielded 68 pin SCSI device connector used on LW drives.0787(2.00).519(13.18).315(8.00)3.650(

62 Cheetah 18XL Product Manual, Rev. G Figure 23. Nonshielded 80 pin SCSI “SCA-2” connector, used on LC drives7.00(.276)12.70(.500)2.15±0.102 plac

Cheetah 18XL Product Manual, Rev. G 63Table 13: LW 68-conductor single-ended (SE) P cable signal/pin assignments [11]Note. A minus sign preceding a si

64 Cheetah 18XL Product Manual, Rev. GTable 14: LW 68-conductor LVD P cable signal/pin assignments [11]Note. A minus sign preceding a signal name indi

Cheetah 18XL Product Manual, Rev. G 65Table 15: LC 80-pin single-ended (SE) I/O connector pin assignments [11]Note. A minus sign preceding a signal na

66 Cheetah 18XL Product Manual, Rev. GTable 16: LC 80-pin single-ended (LVD) I/O connector pin assignments [11]Note. A minus sign preceding a signal n

Cheetah 18XL Product Manual, Rev. G 67Notes [ ] for Tables 13 through 16.[1] See Section 9.6.4.1 for detailed electrical characteristics of these sign

68 Cheetah 18XL Product Manual, Rev. GThe output characteristics shall additionally conform to EIA RS-485.Figure 24. LVD output signalsInput character

Cheetah 18XL Product Manual, Rev. G 699.7.1.1 Single-ended drivers/receiversThe maximum total cable length allowed with drives using single-ended I/O

vi Cheetah 18XL Product Manual, Rev. G6.4.2 Relative humidity . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

70 Cheetah 18XL Product Manual, Rev. G9.10 Disc drive SCSI timingTable 18: Disc drive SCSI timingDescriptionWaveformsymbol [1]Waveformtable [1] Typica

Cheetah 18XL Product Manual, Rev. G 71Notes.[1] See the SCSI Interface Product Manual, part number 75789509, Timing examples section.[2] Maximum SCSI

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Cheetah 18XL Product Manual, Rev. G 7310.0 Seagate Technology support servicesOnline ServicesInternetwww.seagate.com for information about Seagate pro

74 Cheetah 18XL Product Manual, Rev. GCustomer Service (CSO)Warranty ServiceSeagate offers worldwide customer support for Seagate drives. Seagate dire

Cheetah 18XL Product Manual, Rev. G 75Spain 900-98 31 24Sweden 0 207 90 073Switzerland 0 800-83 84 11Turkey 00 800-31 92 91 40United Kingdom 0 800-783

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Cheetah 18XL Product Manual, Rev. G 77IndexSymbols+5 and +12 volt supplies 21Numerics68 conductor connector 5968 pin connector 6080 conductor co

78 Cheetah 18XL Product Manual, Rev. GDC current 58DC power 10, 13, 41, 56DC power carrying conductor 59DC power connector 56DC power re

Cheetah 18XL Product Manual, Rev. G 79head and disc assembly. See HDAheat removal 42heat source 42high level format 37host 12, 35, 41, 4

Cheetah 18XL Product Manual, Rev. G viiList of FiguresFigure 1. Cheetah 18XL family drive (ST318404LC shown) . . . . . . . . . . . . . . . . . . . . .

80 Cheetah 18XL Product Manual, Rev. GOoffice environment 31operating 28, 29, 31operating environment 14operating option 37operating param

Cheetah 18XL Product Manual, Rev. G 81SCSI bus ID 67SCSI bus phase sequence 55SCSI command 35SCSI I/O connector 57SCSI ID 37, 41SCSI inter

82 Cheetah 18XL Product Manual, Rev. Gwide Ultra160 SCSI interface 5WP jumper 41wrap-around 11write caching 11write error 13unrecoverable

Seagate Technology LLC920 Disc Drive, Scotts Valley, California 95066-4544, USAPublication Number: 75789506, Rev. G, Printed in USA