Seagate ST318418N, ST318438LW, ST336938LW, ST336918N manual GND DBP1

Page 76

66

 

 

 

 

 

Barracuda 36ES2 Product Manual, Rev. B

Table 14:

LW 68-conductor single-ended (SE) P cable signal/pin assignments [11]

 

Note. A minus sign preceding a signal name indicates that signal is active low.

 

 

 

 

 

 

 

 

 

 

 

Connector

 

 

 

Connector

 

Signal

 

contact

Cable conductor

contact

Signal

name [1]

 

number [3]

number [2]

 

number [3]

name [1]

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

GND

 

1

1

 

2

35

–DB12

GND

 

2

3

 

4

36

–DB13

GND

 

3

5

 

6

37

–DB14

GND

 

4

7

 

8

38

–DB15

GND

 

5

9

 

10

39

–DBP1

GND

 

6

11

 

12

40

–DB0

GND

 

7

13

 

14

41

–DB1

GND

 

8

15

 

16

42

–DB2

GND

 

9

17

 

18

43

–DB3

GND

 

10

19

 

20

44

–DB4

GND

 

11

21

 

22

45

–DB5

GND

 

12

23

 

24

46

–DB6

GND

 

13

25

 

26

47

–DB7

GND

 

14

27

 

28

48

–DBP

GND

 

15

29

 

30

49

GND

GND

 

16

31

 

32

50

GND

TermPwr

 

17

33

 

34

51

TermPwr

TermPwr

 

18

35

 

36

52

TermPwr

Reserved

 

19

37

 

38

53

Reserved

GND

 

20

39

 

40

54

GND

GND

 

21

41

 

42

55

–ATN

GND

 

22

43

 

44

56

GND

GND

 

23

45

 

46

57

–BSY

GND

 

24

47

 

48

58

–ACK

GND

 

25

49

 

50

59

–RST

GND

 

26

51

 

52

60

–MSG

GND

 

27

53

 

54

61

–SEL

GND

 

28

55

 

56

62

–C/D

GND

 

29

57

 

58

63

–REQ

GND

 

30

59

 

60

64

–I/O

GND

 

31

61

 

62

65

–DB8

GND

 

32

63

 

64

66

–DB9

GND

 

33

65

 

66

67

–DB10

GND

 

34

67

 

68

68

–DB11

Notes [ ]: See page following Table 15.

Image 76
Contents Product Manual, Volume Page Product Manual, Volume Page Revision status summary sheet Revision Date Writer/Engineer Sheets AffectedPage Contents Defect and error management InstallationSeagate Technology support services Interface requirementsList of Figures Barracuda 36ES2 Product Manual, Rev. B ViiPage Scope Barracuda 36ES2 family drive ST336938LW shownBarracuda 36ES2 Product Manual, Rev. B Applicable standards and reference documentation Korean MIC Australian C-TickTaiwanese Bsmi General description Standard features Media characteristicsPerformance ReliabilityOptions factory installed Factory installed accessoriesProgrammable drive capacity Performance characteristics Start/stop time Ultra2 Scsi Ultra160 ScsiPrefetch/multi-segmented cache control Cache operation Caching write dataPrefetch operation Barracuda 36ES2 Product Manual, Rev. B Reliability specifications Reliability and service Preventive maintenanceService life Service philosophy7 S.M.A.R.T Controlling S.M.A.R.TPerformance impact Reporting controlDetermining rate Predictive failuresState of the drive prior to testing DST Failure DefinitionImplementation Invoking DSTProduct warranty Short test Function Code 001bExtended test Function Code 010b Log page entriesProduct repair and return information Barracuda 36ES2 Product Manual, Rev. B AC power requirements Physical/electrical specificationsDC power requirements Conducted noise immunity Power sequencing3 12 V Current profile +5 Volt Current during spindle start Typical Amper es Amps Power dissipation ST336938/ST318438 Barracuda 36ES2 Product Manual, Rev. B ST336918/ST318418 Temperature Environmental limitsBarracuda 36ES2 Product Manual, Rev. B Relative humidity Effective altitude sea levelShock and vibration ShockRecommended mounting Barracuda 36ES2 Product Manual, Rev. B Vibration Air cleanlinessAcoustics Mechanical specifications Dimension TableMounting configuration dimensions Barracuda 36ES2 Product Manual, Rev. B Drive error recovery procedures Defect and error managementDrive internal defects Scsi systems errors Installation Configure drive optionsFormatting Drive ID/option select headerDo not install jumpers retain cover J6 jumper header for N model J5 jumper header on LW models only J2 option select header for LW models Barracuda 36ES2 Product Manual, Rev. B Barracuda 36ES2 Product Manual, Rev. B Function description Cooling Drive orientationAir flow Barracuda 36ES2 Product Manual, Rev. B Drive mounting GroundingBarracuda 36ES2 Product Manual, Rev. B Interface requirements Scsi interface messages supportedScsi interface commands supported Commands supported by Barracuda 36ES2 family drives Barracuda 36ES2 Product Manual, Rev. B Vendor ID Inquiry Vital Product data Unit serial number page 80hImplemented operating definition page 81h Firmware numbers page C0hJumper settings page C2h Mode Sense data DEF CHG Barracuda 36ES2 Product Manual, Rev. B Condition/features supported Supported Status supported 2 REQ/ACK offset DC cable and connectorPhysical interface Model drive physical interface 50-pin Scsi I/O connector Pin Power Scsi interface physical description Scsi interface cable requirementsBarracuda 36ES2 Product Manual, Rev. B Mating connectors Mating connectors for N model drivesScsi daisy chain interface cabling for N drives Nonshielded 68 pin Scsi device connector used on LW drives Scsi daisy chain interface cabling for LW drives GND GND DBP1 +DBP1 Electrical description Multimode signalsMultimode-SE and LVD alternatives Input characteristics LVD output signalsTransmitter characteristics Receiver characteristicsSingle-ended drivers/receivers for N models Single-ended drivers/receivers for LW modelsGeneral cable characteristics Low voltage differential I/O circuitsTerminator requirements Terminator power DrivesLW drives Page Drive activity LED Following table provides drive activity LED statusSeagate Technology support services Online Services Automated ServicesPresales Support Technical SupportUSA/Canada/Latin America Support Services Customer Service CSOEuropean Support Services Asia/Pacific Support Services Africa/Middle East Support ServicesCall Center Toll-free Direct dial Barracuda 36ES2 Product Manual, Rev. B Index Diffsens LED PCB System chassis Barracuda 36ES2 Product Manual, Rev. B