Seagate ST318405LC Manual

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Cheetah 36XL Family:. . . . . . . . . . . . . . . .

Cheetah 36XL Product Manual, Rev. A 11.0 ScopeThis manual describes Seagate Technology® LLC Cheetah 36XL™ disc drives.Cheetah 36XL drives support the

2 Cheetah 36XL Product Manual, Rev. A

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

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

Cheetah 36XL Product Manual, Rev. A 53.0 General descriptionCheetah 36XL drives combine giant magnetoresistive (GMR) heads, partial response/maximum l

6 Cheetah 36XL Product Manual, Rev. AAn automatic shipping lock prevents potential damage to the heads and discs that results from movement dur-ing sh

Cheetah 36XL Product Manual, Rev. A 73.1 Standard featuresThe Cheetah 36XL family has the following standard features:• Integrated Ultra160 SCSI contr

8 Cheetah 36XL Product Manual, Rev. A3.5 Formatted capacitiesFormatted capacity depends on the number of spare reallocation sectors reserved and the n

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

10 Cheetah 36XL Product Manual, Rev. ASCSI interface data transfer rates (asynchronous):Maximum instantaneous 8 bit wide 5.0 Mbytes/sec [4]Maximum ins

Cheetah 36XL Product Manual, Rev. A 11enabled and disabled independently via the Mode Select command. However, in actual operation the prefetchfeature

12 Cheetah 36XL Product Manual, Rev. ARCD. When a write command is issued, if RCD=0, the cache is first checked to see if any logical blocks thatare t

Cheetah 36XL Product Manual, Rev. A 13The base cache buffer configuration for desktop or server environments needs to be set correctly by the hostsyst

14 Cheetah 36XL Product Manual, Rev. A

Cheetah 36XL Product Manual, Rev. A 155.0 Reliability specificationsThe following reliability specifications assume correct host/drive operational int

16 Cheetah 36XL Product Manual, Rev. Aerror (15h) is reported with a Medium error (3h) or Hardware error (4h) reported in the Sense Key. This is anunr

Cheetah 36XL Product Manual, Rev. A 175.2.6 Hot plugging Cheetah 36XL disc drivesThe ANSI SPI-3 (T10/1302D) document defines the physical requirements

18 Cheetah 36XL Product Manual, Rev. AThe process of measuring off-line attributes and saving data can be forced by the RTZ command. ForcingS.M.A.R.T.

Cheetah 36XL Product Manual, Rev. A 192. short testThe most thorough option is the extended test that performs various tests on the drive and scans ev

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Cheetah 36XL Family:. . . . . . . . . . . . . . . .

20 Cheetah 36XL Product Manual, Rev. AShort test (Function Code: 001b)The purpose of the short test is to provide a time-limited test that tests as mu

Cheetah 36XL Product Manual, Rev. A 21Seagate repair centers may refuse receipt of components improperly packaged or obviously damaged in tran-sit. Co

22 Cheetah 36XL Product Manual, Rev. A

Cheetah 36XL Product Manual, Rev. A 236.0 Physical/electrical specificationsThis section provides information relating to the physical and electrical

24 Cheetah 36XL Product Manual, Rev. A6.2.1 Conducted noise immunityNoise is specified as a periodic and random distribution of frequencies covering a

Cheetah 36XL Product Manual, Rev. A 25 Figure 3. Typical ST336705 drive +12 V current profile Figure 4. Typical ST318405 drive +12 V current

26 Cheetah 36XL Product Manual, Rev. A Figure 5. Typical ST39205 drive +12 V current profile Figure 6. Typical ST336705 drive +5 V current prof

Cheetah 36XL Product Manual, Rev. A 27 Figure 7. TypicalST318405 drive +5 V current profile Figure 8. TypicalST39205 drive +5 V current pro

28 Cheetah 36XL Product Manual, Rev. A6.3 Power dissipationST336705For drives using single-ended interface circuits, typical power dissipation under i

Cheetah 36XL Product Manual, Rev. A 29ST318405For drives using single-ended interface circuits, typical power dissipation under idle conditions is 8.0

© 2000 Seagate Technology LLC All rights reservedPublication number: 75789517, Rev. ADecember 2000Seagate, Seagate Technology, and the Seagate logo a

30 Cheetah 36XL Product Manual, Rev. AST39205For drives using single-ended interface circuits, typical power dissipation under idle conditions is 7.5

Cheetah 36XL Product Manual, Rev. A 31The maximum allowable HDA case temperature is 140°F (60°C). Operation of the drive at the maximumcase temperatur

32 Cheetah 36XL Product Manual, Rev. A6.4.3 Effective altitude (sea level)a. Operating–1000 to +10,000 feet (–305 to +3,048 meters)b. Non-operating–10

Cheetah 36XL Product Manual, Rev. A 33 Figure 13. Recommended mountingZYXZYX

34 Cheetah 36XL Product Manual, Rev. A6.4.4.2 Vibrationa. Operating—NormalThe drive as installed for normal operation, shall comply with the complete

Cheetah 36XL Product Manual, Rev. A 356.5 Mechanical specificationsThe following nominal dimensions are exclusive of the decorative front panel access

36 Cheetah 36XL Product Manual, Rev. A Figure 15. LC mounting configuration dimensionsAMCF[1]DEGMounting holes are 6-32 UNC 2B, three on each sid

Cheetah 36XL Product Manual, Rev. A 377.0 Defect and error managementThe drive, as delivered, complies with this specification. The read error rate an

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

Cheetah 36XL Product Manual, Rev. A 398.0 InstallationNote.These drives are designed to be used only on single-ended (SE) or low voltage differential

Revision status summary sheet Notice.Product Manual 75789517 is Volume 1 of a two-volume document with the SCSI interface information inthe SC

40 Cheetah 36XL Product Manual, Rev. A Figure 16. J6 jumper headerSCSI ID = 0 (default)Jumper Plug(enlarged toshow detail)J6DriveFrontPin 1Reserve

Cheetah 36XL Product Manual, Rev. A 41 Figure 17. J5 jumper header (on LW model only)SCSI ID = 8SCSI ID = 9SCSI ID = 10SCSI ID = 11SCSI ID = 12SCS

42 Cheetah 36XL Product Manual, Rev. A Figure 18. J2 option select header8.1.1 Notes for Figures 16, 17, and 18.[1] Notes explaining the functions

Cheetah 36XL Product Manual, Rev. A 438.1.2 Function descriptionJ2jumperinstallation Jumper function descriptionSEOn Forces drive to use single-ended

44 Cheetah 36XL Product Manual, Rev. A8.2 Drive orientationThe balanced rotary arm actuator design of the drive allows it to be mounted in any orienta

Cheetah 36XL Product Manual, Rev. A 459.0 Interface requirementsThis section partially describes the interface requirements as implemented on the driv

46 Cheetah 36XL Product Manual, Rev. A9.3 SCSI interface commands supportedTable 5 following lists the SCSI interface commands that are supported by t

Cheetah 36XL Product Manual, Rev. A 47Mode sense 1Ah Y [2]Caching parameters page (08h) YControl mode page (0Ah) YDisconnect/reconnect (02h) YError re

48 Cheetah 36XL Product Manual, Rev. A[1] The drive can format to any even number of bytes per sector from 512 to 4,096.[2] Tables 7 and 8 show how in

Cheetah 36XL Product Manual, Rev. A 49Table 6 lists the Standard Inquiry command data that the drive should return to the initiator per the format giv

50 Cheetah 36XL Product Manual, Rev. A“zero” allows no change. For example, in Table 7 refer to Mode page 01, in the row entitled “CHG”. These arehex

Cheetah 36XL Product Manual, Rev. A 51Table 7: Mode sense data, ST336705 values [1] Though byte 12, bit 7 (A0) is shown as changeable, the FSW functio

52 Cheetah 36XL Product Manual, Rev. Amode), the SCSI firmware is performance optimized for desktop applications. The firmware default condi-tion for

Cheetah 36XL Product Manual, Rev. A 53Table 8: Mode sense data, ST318405 values [1] Though byte 12, bit 7 (A0) is shown as changeable, the FSW functio

54 Cheetah 36XL Product Manual, Rev. Amode), the SCSI firmware is performance optimized for desktop applications. The firmware default condi-tion for

Cheetah 36XL Product Manual, Rev. A 55Table 9: Mode sense data, ST39205 values [1] Though byte 12, bit 7 (A0) is shown as changeable, the FSW function

56 Cheetah 36XL Product Manual, Rev. Amode), the SCSI firmware is performance optimized for desktop applications. The firmware default condi-tion for

Cheetah 36XL Product Manual, Rev. A 579.4 SCSI bus conditions and miscellaneous features supportedAsynchronous SCSI bus conditions supported by the dr

58 Cheetah 36XL Product Manual, Rev. A9.5 Synchronous data transfer9.5.1 Synchronous data transfer periods supportedTable 11 and Section 9.5.2 list Sy

Cheetah 36XL Product Manual, Rev. A 59 Figure 19. LW model drive physical interface (68-pin J1 SCSI I/O connector) Figure 20. LC model drive p

Cheetah 36XL Product Manual, Rev. A vContents1.0 Scope . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

60 Cheetah 36XL Product Manual, Rev. A9.6.2 SCSI interface physical descriptionThe drive models described by this product manual support the physical

Cheetah 36XL Product Manual, Rev. A 61To minimize discontinuances and signal reflections, cables of different impedances should not be used in thesame

62 Cheetah 36XL Product Manual, Rev. ARecommended mating 80-position PCBA mount connectors: Right-angle to PCBA connectorsSeagate P/N: 77678559 Amp U

Cheetah 36XL Product Manual, Rev. A 63 Figure 22. Nonshielded 68 pin SCSI device connector used on LW drives.0787(2.00).519(13.18).315(8.00)3.650(

64 Cheetah 36XL Product Manual, Rev. A Figure 23. Nonshielded 80 pin SCSI “SCA-2” connector, used on LC drives7.00(.276)12.70(.500)2.15±0.102 plac

Cheetah 36XL Product Manual, Rev. A 65Table 13: LW 68-conductor single-ended (SE) P cable signal/pin assignments [11]Note.A minus sign preceding a sig

66 Cheetah 36XL Product Manual, Rev. ATable 14: LW 68-conductor LVD P cable signal/pin assignments [11]Note.A minus sign preceding a signal name indic

Cheetah 36XL Product Manual, Rev. A 67Table 15: LC 80-pin single-ended (SE) I/O connector pin assignments [11]Note.A minus sign preceding a signal nam

68 Cheetah 36XL Product Manual, Rev. ATable 16: LC 80-pin single-ended (LVD) I/O connector pin assignments [11]Note.A minus sign preceding a signal na

Cheetah 36XL Product Manual, Rev. A 69Notes [ ] for Tables 13 through 16.[1] See Section 9.6.4.1 for detailed electrical characteristics of these sign

vi Cheetah 36XL Product Manual, Rev. A6.4 Environmental limits . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

70 Cheetah 36XL Product Manual, Rev. AOutput characteristicsEach signal (Vs) driven by LVD interface drivers shall have the following output character

Cheetah 36XL Product Manual, Rev. A 719.7.1.1 Single-ended drivers/receiversThe maximum total cable length allowed with drives using single-ended I/O

72 Cheetah 36XL Product Manual, Rev. A9.10 Disc drive SCSI timingTable 18: Disc drive SCSI timingDescriptionWaveformsymbol [1]Waveformtable [1] Typica

Cheetah 36XL Product Manual, Rev. A 73Notes.[1] See the SCSI Interface Product Manual, part number 75789509, Timing examples section.[2] Maximum SCSI

74 Cheetah 36XL Product Manual, Rev. A

Cheetah 36XL Product Manual, Rev. A 7510.0 Seagate Technology support servicesOnline ServicesInternetwww.seagate.com for information about Seagate pro

76 Cheetah 36XL Product Manual, Rev. ATechnical SupportIf you need help installing your drive, consult your dealer. Dealers are familiar with their un

Cheetah 36XL Product Manual, Rev. A 77European Support ServicesFor European customer support, dial the toll-free number for your specific country for

78 Cheetah 36XL Product Manual, Rev. AWarranty ServiceCall Center Toll-free Direct dial FAXAsia/Pacific — +65-485-3595 +65-488-7503Australia 1800-12-9

Cheetah 36XL Product Manual, Rev. A 79IndexSymbols+5 and +12 volt supplies 23Numerics68 conductor connector 6168 pin connector 6280 conductor co

Cheetah 36XL Product Manual, Rev. A viiList of FiguresFigure 1. Cheetah 36XL family drive (ST336705LC shown) . . . . . . . . . . . . . . . . . . . . .

80 Cheetah 36XL Product Manual, Rev. ADC power requirements 23DC power source 61dedicated landing zone 5default 42, 43default mode parameter

Cheetah 36XL Product Manual, Rev. A 81host system 39host system malfunction 15host/drive operational interface 15hot plug 7, 17humidity 30,

82 Cheetah 36XL Product Manual, Rev. APpackage size 32package test specification 4packaged 32parity 43parity checking 43parity error 43par

Cheetah 36XL Product Manual, Rev. A 83sector interleave 9sector size 8sector sizes 10seek error 15seek positioning error 15segment 11segme

Seagate Technology LLC920 Disc Drive, Scotts Valley, California 95066-4544, USAPublication Number: 75789517, Rev. A, Printed in USA