Scsi connectors, Chapter 5: advanced serverboard setup – SUPER MICRO Computer AS1020S-8 User Manual

Page 59

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Chapter 5: Advanced Serverboard Setup

5-25

Ultra320 SCSI Drive Connectors

Pin Defi nitions (JA1/JB1)

Pin# Defi nition Pin # Defi nition

1

+DB (12)

35

-DB (12)

2

+DB (13)

36

-DB (13)

3

+DB (14)

37

-DB (14)

4

+DB (15)

38

-DB (15)

5

+DB (P1)

39

-DB (P1)

6

+DB (0)

40

-DB (0)

7

+DB (1)

41

-DB (1)

8

+DB (2)

42

-DB (2)

9

+DB (3)

43

-DB (3)

10

+DB (4)

44

-DB (4)

11

+DB (5)

45

-DB (5)

12

+DB (6)

46

-DB (6)

13

+DB (7)

47

-DB (7)

14

+DB (P)

48

-DB (P)

15

Ground

49

Ground

16

DIFFSENS

50

Ground

17

TERMPWR

51

TERMPWR

18

TERMPWR

52

TERMPWR

19

Reserved

53

Reserved

20

Ground

54

Ground

21

+ATN

55

-ATN

22

Ground

56

Ground

23

+BSY

57

-BSY

24

+ACK

58

-ACK

25

+RST

59

-RST

26

+MSG

60

-MSG

27

+SEL

61

-SEL

28

+C/D

62

-C/D

29

+REQ

63

-REQ

30

+I/O

64

-I/O

31

+DB (8)

65

-DB (8)

32

+DB (9)

66

-DB (9)

33

+DB (10)

67

-DB (10)

34

+DB (11)

68

-DB (11)

SCSI Connectors

Refer to the table at right for

pin defi nitions for the Ultra320

SCSI connectors located at

JA1 and JB1.

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