External scsi connector j3 – LSI U80ALVD User Manual

Page 65

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Operational Environment

A-9

Table A.5

External SCSI Connector J3

Signal Name

Pin

Signal Name

Pin

SD12+

1

SMSG+

26

SD13+

2

SSEL+

27

SD14+

3

SCD+

28

SD15+

4

SREQ+

29

SDP1+

5

SIO+

30

SD00+

6

SD08+

31

SD01+

7

SD09+

32

SD02+

8

SD10+

33

SD03+

9

SD11+

34

SD04+

10

SD12

−

35

SD05+

11

SD13

−

36

SD06+

12

SD14

−

37

SD07+

13

SD15

−

38

SDP0+

14

SDP1

−

39

GND

15

SD00

−

40

DIFFSENS

16

SD01

−

41

TERMPWR

17

SD02

−

42

TERMPWR

18

SD03

−

43

N/C

19

SD04

−

44

GND

20

SD05

−

45

SATN+

21

SD06

−

46

GND

22

SD07

−

47

SBSY+

23

SDP0

−

48

SACK+

24

GND

49

SRST+

25

J3_SENS

50

TERMPWR

51

SMSG

−

60

TERMPWR

52

SSEL

−

61

N/C

53

SCD

−

62

GND

54

SREQ

−

63

SATN

−

55

SIO

−

64

GND

56

SD08

−

65

SBSY

−

57

SD09

−

66

SACK

−

58

SD10

−

67

SRST

−

59

SD11

−

68

Note:

When operated in the SE mode, all signals with the + suffix
are clamped to ground.

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