ADLINK PCI-9846 - Manual (Page 63)

Operation Theory 53
Figure 3-25: The Location of Board ID Switch
Figure 3-26: Enlargement of Board ID setting.
Note: Only dip switches 1-5 are valid for board ID settings. Dip
switches 6- 9 are unused. When a dip switch is switched
to ‘ON’, it represents ‘1’, the opposite direction represents
‘0’.