SUPER MICRO Computer X7DBE user manual Ultra 320 Scsi Connectors *X7DB8, Only

X7DB8/X7DBE User's Manual

Ultra 320 SCSI Connectors (*X7DB8

Ultra320 SCSI Drive Connector

Pin Definitions

only)

TherearetwoSCSIconnectors on the motherboard. SCSI Channel A is located at JA1, and SCSI Channel B is located at A2. Refer to the table below for the pin definitions of the Ultra 320 SCSI connectors located at JA1 and JA2.

A. SCSI Channel A

B. SCSI Channel B

Pin# Definition

1+DB (12)

2+DB (13)

3+DB (14)

4+DB (15)

5+DB (P1)

6+DB (0)

7+DB (1)

8+DB (2)

9+DB (3)

10+DB (4)

11+DB (5)

12+DB (6)

13+DB (7)

14+DB (P)

15Ground

16DIFFSENS

17TERMPWR

18TERMPWR

19Reserved

20Ground

21+ATN

22Ground

23+BSY

24+ACK

25+RST

26+MSG

27+SEL

28+C/D

29+REQ

30+I/O

31+DB (8)

32+DB (9)

33+DB (10)

34+DB (11)

Pin # Definition

35-DB (12)

36-DB (13)

37-DB (14)

38-DB (15)

39-DB (P1)

40-DB (0)

41-DB (1)

42-DB (2)

43-DB (3)

44-DB (4)

45-DB (5)

46-DB (6)

47-DB (7)

48-DB (P)

49Ground

50Ground

51TERMPWR

52TERMPWR

53Reserved

54Ground

55-ATN

56Ground

57-BSY

58-ACK

59-RST

60-MSG

61-SEL

62-C/D

63-REQ

64-I/O

65-DB (8)

66-DB (9)

67-DB (10)

68-DB (11)

A

B

2-34