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Seagate CHEETAH ST373207LW/LC User Manual

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78

Cheetah 10K.7 SCSI Product Manual, Rev. D

Table 17:

LC 80-pin single-ended (LVD) I/O connector pin assignments [11]

Note.

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

Signal name [1]

Connector contact
number [3]

Signal number [3]

Contact name[1]

12 V CHARGE

1

41

12 V GND

12 V

2

42

12 V GND

12 V

3

43

12 V GND

12 V

4

44

MATED 1 [12]

NC [10]

5

45

NC [10]

NC [10]

6

46

DIFFSNS [8]

–DB11

7

47

+DB11

–DB10

8

48

+DB10

–DB9

9

49

+DB9

–DB8

10

50

+DB8

–I/O

11

51

+I/O

–REQ

12

52

+REQ

–C/D

13

53

+C/D

–SEL

14

54

+SEL

–MSG

15

55

+MSG

–RST

16

56

+RST

–ACK

17

57

+ACK

–BSY

18

58

+BSY

–ATN

19

59

+ATN

–DBP

20

60

+DBP0

–DB7

21

61

+DB7

–DB6

22

62

+DB6

–DB5

23

63

+DB5

–DB4

24

64

+DB4

–DB3

25

65

+DB3

–DB2

26

66

+DB2

–DB1

27

67

+DB1

–DB0

28

68

+DB0

–DBP1

29

69

+DP1

–DB15

30

70

+DB15

–DB14

31

71

+DB14

–DB13

32

72

+DB13

–DB12

33

73

+DB12

+5 V

34

74

MATED 2

+5 V

35

75

5 V GND

+5 V CHARGE

36

76

5 V GND

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