Seagate ST318452LC Manual Page 1

...Cheetah X15 36LP Disc Drive:...ST336752LW/LC, ST336732L

Cheetah X15 36LP Product Manual, Rev. D 11.0 ScopeThis manual describes Seagate Technology® LLC, Cheetah® X15 36LP disc drives.Cheetah X15 36LP drives

2 Cheetah X15 36LP Product Manual, Rev. D

Cheetah X15 36LP Product Manual, Rev. D 32.0 Applicable standards and reference documentationThe drive has been developed as a system peripheral to th

4 Cheetah X15 36LP Product Manual, Rev. DAustralian C-TickIf this model has the C-Tick Marking it complies with the Australia/New Zealand Standard AS/

Cheetah X15 36LP Product Manual, Rev. D 53.0 General descriptionCheetah X15 36LP drives combine giant magnetoresistive (GMR) heads, partial response/m

6 Cheetah X15 36LP Product Manual, Rev. DCheetah X15 36LP drives decode track 0 location data from the servo data embedded on each surface to elim-ina

Cheetah X15 36LP Product Manual, Rev. D 7• Incorporates industry-standard Self-Monitoring, Analysis and Reporting Technology (S.M.A.R.T.)• 5-year warr

8 Cheetah X15 36LP Product Manual, Rev. D4.0 Performance characteristics4.1 Internal drive characteristics (transparent to user)4.2 SCSI performance c

Cheetah X15 36LP Product Manual, Rev. D 9Sector Sizes:Default 512 byte user data blocksVariable 512 to 704 bytes per sector in even number of bytes pe

10 Cheetah X15 36LP Product Manual, Rev. Drequested by the host with a Read command is retrieved from the buffer (if it is there), before any disc acc

Cheetah X15 36LP Product Manual, Rev. D 11The Synchronize Cache command may be used to force the drive to write all cached write data to the medium.Up

12 Cheetah X15 36LP Product Manual, Rev. D

Cheetah X15 36LP Product Manual, Rev. D 135.0 Reliability specificationsThe following reliability specifications assume correct host/drive operational

14 Cheetah X15 36LP Product Manual, Rev. Derror (15h) is reported with a Medium error (3h) or Hardware error (4h) reported in the Sense Key. This is a

Cheetah X15 36LP Product Manual, Rev. D 155.2.6 Hot plugging Cheetah X15 36LP disc drivesThe SPI-4 standard defines the physical requirements for remo

16 Cheetah X15 36LP Product Manual, Rev. DThe process of measuring off-line attributes and saving data can be forced by the Rezero Unit command. Forc-

Cheetah X15 36LP Product Manual, Rev. D 17A temperature sensor monitors the drive temperature and issues a warning over the interface when the tem-per

18 Cheetah X15 36LP Product Manual, Rev. D5.2.9.2 ImplementationThis section provides all of the information necessary to implement the DST function o

Cheetah X15 36LP Product Manual, Rev. D 19parameter blocks in the log page. If there are more than 20 parameter blocks, the least recent parameter blo

...Cheetah X15 36LP Disc Drive:...ST336752LW/LC, ST336732L

20 Cheetah X15 36LP Product Manual, Rev. D

Cheetah X15 36LP Product Manual, Rev. D 216.0 Physical/electrical specificationsThis section provides information relating to the physical and electri

22 Cheetah X15 36LP Product Manual, Rev. D6.2.1 Conducted noise immunityNoise is specified as a periodic and random distribution of frequencies coveri

Cheetah X15 36LP Product Manual, Rev. D 23 Figure 3. Typical ST336752 and ST336732 drive +5 V current profile Figure 4. Typical ST318452 and

24 Cheetah X15 36LP Product Manual, Rev. D Figure 5. Typical ST318452 and ST318432 drive +5 V current profile0.0 4 8 12 160.00.51.0ASecondsT2 T4T

Cheetah X15 36LP Product Manual, Rev. D 256.3 Power dissipationST336752 andST336732For drives using single-ended interface circuits, typical power dis

26 Cheetah X15 36LP Product Manual, Rev. DST318452 and ST318432For drives using single-ended interface circuits, typical power dissipation under idle

Cheetah X15 36LP Product Manual, Rev. D 276.4 Environmental limitsTemperature and humidity values experienced by the drive must be such that condensat

28 Cheetah X15 36LP Product Manual, Rev. Db. Non-operating–1,000 to +40,000 feet (–305 to +12,210 meters)6.4.4 Shock and vibrationShock and vibration

Cheetah X15 36LP Product Manual, Rev. D 29 Figure 11. Recommended mountingZYXZYX

©2001, 2002 Seagate Technology LLC All rights reservedPublication number: 100139872, Rev. DJune 2002Seagate, Seagate Technology, and the Seagate logo

30 Cheetah X15 36LP Product Manual, Rev. D6.4.4.2 Vibrationa. Operating - normalThe drive as installed for normal operation, shall comply with the com

Cheetah X15 36LP Product Manual, Rev. D 316.5 Mechanical specificationsThe following nominal dimensions are exclusive of the decorative front panel ac

32 Cheetah X15 36LP Product Manual, Rev. D Figure 13. LC mounting configuration dimensionsJHLBASK[1]MCRF[1]DEPMounting holes are 6-32 UNC 2B, thr

Cheetah X15 36LP Product Manual, Rev. D 337.0 Defect and error managementThe drive, as delivered, complies with this specification. The read error rat

34 Cheetah X15 36LP Product Manual, Rev. D[1] These values are subject to change.Setting these retry counts to a value below the default setting could

Cheetah X15 36LP Product Manual, Rev. D 358.0 InstallationNote. These drives are designed to be used only on single-ended (SE) or low voltage differen

36 Cheetah X15 36LP Product Manual, Rev. D Figure 14. J6 jumper headerSCSI ID = 0 (default)Jumper Plug(enlarged toshow detail)J6DriveFrontPin 1Res

Cheetah X15 36LP Product Manual, Rev. D 37 Figure 15. J5 jumper header (on LW models only)SCSI ID = 8SCSI ID = 9SCSI ID = 10SCSI ID = 11SCSI ID =

38 Cheetah X15 36LP Product Manual, Rev. D Figure 16. J2 option select header (on LW models only)8.1.1 Notes for Figures 14, 15, and 16.[1] Notes

Cheetah X15 36LP Product Manual, Rev. D 398.1.2 Function descriptionJ2jumperinstallation Jumper function descriptionSEOn Forces drive to use single-en

Revision status summary sheet Notice.Product Manual 100139872 is Volume 1 of a two volume document with the SCSI Interface informationin the V

40 Cheetah X15 36LP Product Manual, Rev. D8.2 Drive orientationThe balanced rotary arm actuator design of the drive allows it to be mounted in any ori

Cheetah X15 36LP Product Manual, Rev. D 418.4 Drive mountingWhen mounting the drive using the bottom holes (x-y plane in Figure 11) care must be taken

42 Cheetah X15 36LP Product Manual, Rev. D

Cheetah X15 36LP Product Manual, Rev. D 439.0 Interface requirementsThis section partially describes the interface requirements as implemented on the

44 Cheetah X15 36LP Product Manual, Rev. DNotes.[1] Extended messages (see the SCSI Interface Product Manual).[2] Supports all options except qas_req

Cheetah X15 36LP Product Manual, Rev. D 45Read Error Counter page (03h) Y Y Read Reverse Error Counter page (04h) N NSelf-test Results page (10h) Y Y

46 Cheetah X15 36LP Product Manual, Rev. D[1] The drive can format to any even number of bytes per sector from 512 to 704.[2] Tables 8 show how indivi

Cheetah X15 36LP Product Manual, Rev. D 47Table 7 lists the Standard Inquiry command data that the drive should return to the initiator per the format

48 Cheetah X15 36LP Product Manual, Rev. D9.3.2 Mode Sense dataThe Mode Sense command provides a means for the drive to report its operating parameter

Cheetah X15 36LP Product Manual, Rev. D 49Tables 8 and 9 list the values of the data bytes returned by ST336752 and ST318452 model drives in response

50 Cheetah X15 36LP Product Manual, Rev. DTable 9: ST318452 Mode sense data[1] Though byte 12, bit 7 (A0) is shown as changeable, the FSW function gov

Cheetah X15 36LP Product Manual, Rev. D 51Tables 10 and 11 list the values of the data bytes returned by ST336732 and ST318432 model drives in respons

52 Cheetah X15 36LP Product Manual, Rev. DTable 11: ST318432 Mode sense data[1] Though byte 12, bit 7 (A0) is shown as changeable, the FSW function go

Cheetah X15 36LP Product Manual, Rev. D 539.4 SCSI bus conditions and miscellaneous features supportedAsynchronous SCSI bus conditions supported by th

54 Cheetah X15 36LP Product Manual, Rev. D9.5 Synchronous data transfer9.5.1 Synchronous data transfer periods supportedThe data transfer period to be

Cheetah X15 36LP Product Manual, Rev. D 559.6.1 DC cable and connectorST336752LW and ST318452LW drives receive DC power through a 4 pin connector (see

56 Cheetah X15 36LP Product Manual, Rev. D Figure 18. LW model drive physical interface (68-pin J1 SCSI I/O connector) Figure 19. LC model dri

Cheetah X15 36LP Product Manual, Rev. D 579.6.2 SCSI interface physical descriptionThe drives documented in this manual support single-ended and low v

58 Cheetah X15 36LP Product Manual, Rev. DTable 15: Interface transfer rates supported9.6.3 SCSI interface cable requirementsThe characteristics of ca

Cheetah X15 36LP Product Manual, Rev. D 599.6.4 Mating connectorsPart numbers for the different type connectors that mate with the various Cheetah X15

Cheetah X15 36LP Product Manual, Rev. D 5Contents1.0 Scope...12.0 Applicablesta

60 Cheetah X15 36LP Product Manual, Rev. DRecommended mating 80-position PCBA mount connectors: Right-angle to PCBA connectorsSeagate P/N: 77678559Am

Cheetah X15 36LP Product Manual, Rev. D 61 Figure 21. Nonshielded 68 pin SCSI device connector used on LW drives.0787(2.00).519(13.18).315(8.00)3.

62 Cheetah X15 36LP Product Manual, Rev. D Figure 22. Nonshielded 80 pin SCSI “SCA-2” connector, used on LC drives7.00(.276)12.70(.500)2.15–0.102

Cheetah X15 36LP Product Manual, Rev. D 63Table 16: LW 68-conductor single-ended (SE) P cable signal/pin assignments [11]Note. A minus sign preceding

64 Cheetah X15 36LP Product Manual, Rev. DTable 17: LW 68-conductor LVD P cable signal/pin assignments [11]Note. A minus sign preceding a signal name

Cheetah X15 36LP Product Manual, Rev. D 65Table 18: LC 80-pin single-ended (SE) I/O connector pin assignments [11]Note. A minus sign preceding a signa

66 Cheetah X15 36LP Product Manual, Rev. DTable 19: LC 80-pin single-ended (LVD) I/O connector pin assignments [11]Note. A minus sign preceding a sign

Cheetah X15 36LP Product Manual, Rev. D 67Notes [ ] for Tables 16 through 19.[1] See Section 9.6.4.1 for detailed electrical characteristics of these

68 Cheetah X15 36LP Product Manual, Rev. DSteady state Low level input differential voltage = 0.030 V = < VIN = < 3.6 V (signal negation/logic

Cheetah X15 36LP Product Manual, Rev. D 69The maximum SCSI bus length between the terminators for a SCSI LVD multidrop system (up to 16 total SCSIdevi

6 Cheetah X15 36LP Product Manual, Rev. D6.4 Environmental limits . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

70 Cheetah X15 36LP Product Manual, Rev. D9.8 Terminator requirementsCaution: These drives do not have onboard internal terminators. The user, systems

Cheetah X15 36LP Product Manual, Rev. D 719.10 Disc drive SCSI timingTable23: DiscdriveSCSItimingThese values are not current Cheetah X15 36LP values,

72 Cheetah X15 36LP Product Manual, Rev. DNotes.[1] See the Timing examples section of the SCSI Interface Product Manual.[2] Maximum SCSI asynchronous

Cheetah X15 36LP Product Manual, Rev. D 7310.0 Seagate Technology support servicesOnline ServicesInternetwww.seagate.com for information about Seagate

74 Cheetah X15 36LP Product Manual, Rev. DCustomer Service (CSO)Warranty ServiceSeagate offers worldwide customer support for Seagate drives. Seagate

Cheetah X15 36LP Product Manual, Rev. D 75Spain 900-98 31 24Sweden 0 207 90 073Switzerland 0 800-83 84 11Turkey 00 800-31 92 91 40United Kingdom 0 800

76 Cheetah X15 36LP Product Manual, Rev. D

Cheetah X15 36LP Product Manual, Rev. D 77IndexSymbols+5 and +12 volt supplies 21Numerics68 conductor connector 5968-pin connector 6080 conducto

78 Cheetah X15 36LP Product Manual, Rev. DDC power requirements 21DC power source 59dedicated landing zone 5default 38, 39default mode param

Cheetah X15 36LP Product Manual, Rev. D 79DC power 59host I/O signal 35host system 35host system malfunction 13host/drive operational interfac

Cheetah X15 36LP Product Manual, Rev. D 7List of FiguresFigure 1. Cheetah X15 36LP family drive (ST336752LC shown) . . . . . . . . . . . . . . . . . .

80 Cheetah X15 36LP Product Manual, Rev. DPpackage size 28package test specification 4packaged 28partition or logical drive 35PCB 14, 38PC

Cheetah X15 36LP Product Manual, Rev. D 81segment 9, 10self-contained 10Self-Monitoring Analysis and Reporting Technology.See S.M.A.R.T.SE-LVD a

Seagate Technology LLC920 Disc Drive, Scotts Valley, California 95066-4544, USAPublication Number: 100139872, Rev. D, Printed in USA