Aaeon SBC-670S Manual page 38

The SCSI CON is a 50-pin, 8-bit SCSI connector available for
internal SCSI device use. Connection of SCSI devices requires
special attention, especially when determining the last drive in the
SCSI chain. Refer to your device's operating manual for detailed
installation advice. The pin assignments are shown below.
Pin Function
1 GND
3 GND
5 GND
7 GND
9 GND
11 GND
13 GND
15 GND
17 GND
19 GND
21 GND
23 GND
25 NC
27 GND
29 GND
31 GND
33 GND
35 GND
37 GND
39 GND
41 GND
43 GND
45 GND
47 GND
49 GND
Pin Function
2 -D0
4 -D1
6 -D2
8 -D3
10 -D4
12 -D5
14 -D6
16 -D7
18 -DPL
20 GND
22 GND
24 GND
26 TRMPWR
28 GND
30 GND
32 -ATTN
34 GND
36 -BSY
38 -ACK
40 -RST
42 -MSG
44 -SEL
46 -CD
48 -REQ
50 -IO