Sound Blaster Audigy XGamer need help badly SB1394

i really donno where to post this and i need help badly i want to connect my DV (Sony DVR-TRV20) to my computer (windows XP pro SP1) using the SB1394 port i turned my DV on and connect to the computer.... nothing happened ...... the drivers are there but my computer doesn't do anything when i plug the DV i d/l the patch that was surpose to fix it but still no luck... could it be that the SB1394 port is broken??? can anyone tell me the warrenty for the card??