ADLINK PCI-8158 - Manual (Page 26)

16 Installation
2.8 S1 Switch Settings for Card Index
The S1 switch is used to set the card index. For example, if you
turn 1 to ON and others are OFF. It means the card index as 1.
The value is from 0 to 15. Refer to the following table for details.
Card ID Switch Setting (ON=1)
0 0000
1 0001
2 0010
3 0011
4 0100
5 0101
6 0110
7 0111
8 1000
9 1001
10 1010
11 1011
12 1100
13 1101
14 1110
15 1111
Table 2-4: S1 Switch Settings