Adaptec PC/104 - Manual (Page 43)

Appendix B Pin Assignments 37
Internal SCSI-2 Connector (CN 1)
PCM-3420 Internal SCSI-2 Connector (CN1)
Pin Signal Pin Signal
1 GND 2 -D0
3 GND 4 -D1
5 GND 6 -D2
7 GND 8 -D3
9 GND 10 -D4
11 GND 12 -D5
13 GND 14 -D6
15 GND 16 -D7
17 GND 18 -DPAR
19 GND 20 GND
21 GND 22 GND
23 GND 24 GND
25 N/C 26 TERM POWER
27 GND 28 GND
29 GND 30 GND
31 GND 32 -ATN
33 GND 34 GND
35 GND 36 -BSY
37 GND 38 -ACK
39 GND 40 -RST
41 GND 42 -MSG
43 GND 44 -SEL
45 GND 46 -C/D
47 GND 48 -REQ
49 GND 50 -I/O