Aaeon SBC-400 User Manual page 27

jumpers on the drives. If you install just one drive, set it as the
master.
The following table lists the pin numbers and their respective
signals:
Pin Signal
1 Reset
3 D7
5 D6
7 D5
9 D4
11 D3
13 D2
15 D1
17 D0
19 GND
21 N.C,
23 IOW
25 IOR
27 IORDY
29 N.C.
31 IRQ
33 A1
Pin Signal
2 GND
4 D8
6 D9
8 D10
10 D11
12 D12
14 D13
16 D14
18 D15
20 N.C.
22 GND
24 GND
26 GND
28 BALE
30 GND
32 -I/O CS16
34 N.C.