I'm not sure if the IDSM dataports have 6500 interface assignments (they might).
You can see their traffic with the switch command:
show intrusion-detection module 9 data-port 1 traffic
and status (showing what VLANS are mapped to waht dataport channel)
show intrusion-detection module 9 data-port 1 state
Or if you were in the IDSM, data-port 1 and 2 appear as
physical-interface GigabitEthernet0/7
physical-interface GigabitEthernet0/8
- Bob