Internal Connector Pin Assignments - Adaptec AHA-1740A Technical Reference Manual

Appendix B
Connector Pinout

Internal Connector Pin Assignments

AHA-1740A/1742A (Single-Ended)
Signal Name
Ground
Ground
Ground
Ground
Ground
Ground
Ground
Ground
Ground
Ground
Ground
Ground
Open
Ground
Ground
Ground
Ground
Ground
Ground
Ground
Ground
Ground
Ground
Ground
Ground
Pin Pin
1
3
5
7
9
11
13
15
17
19
21
23
25
27
29
31
33
35
37
39
41
43
45
47
49
Signal Name
2 -DB(0)
4 -DB(1)
6 -DB(2)
8 -DB(3)
10 -DB(4)
12 -DB(5)
14 -DB(6)
16 -DB(7)
18 -DB(P)
20 Ground
22 Ground
24 Ground
26 Term Power (Fused)
28 Ground
30 Ground
32 -ATN
34 Ground
36 -BSY
38 -ACK
40 -RST
42 -MSG
44 -SEL
46 -C/D
48 -REQ
50 -I/O
B-1