Measurement Computing PC104-CTR10HD - Manual (Page 6)

Certain addresses are used by the PC, others are free and may be used by the
PC104-CTR and other expansion boards. Refer to Table 2-1 for PC I/O addresses.
We recommend trying BASE = 300h (768 decimal) first.
Figure 2-1. Base Address Switch
2
1 2 3 4 5 6 7 8
SW ITCH HEX
1 200
2 100
3 80
4 40
5 20
6 10
7 08
8 04