cannot get my Sony DCR-TRV900 to connect to firewire card

Hello, I have read the threads, and have tried all the recommendations.
I have tried different cables, cameras, and computers, and only on this computer when I set up the hub to read "legacy" do I get an id DV cam. I was told by Sony tech to try play memories home or win movie maker. None work, I have reseated the card Syba 1394 a and b (2 ports each), and cannot get either program to work. I have sent the card back and they will swap. I have followed all the steps, turn on the camera, set it to vtr, and wait for the pop up prompts. I do hear the ding, and it is listed under "imaging devices". So, maybe the card is the only variable. Right?
Any suggestions would be appreciated.
Millard

Thanks, Fireberd,
What is a "ti chip"? Or could you just give me the full word and not the abbreviation. I think you might have hit it on the head, is that the motherboard, may not have a ti chip, or not support 1394 cards, even though, it does register cleanly in the device manager as a 1394 root hub. I will check with them today and find out. Otherwise, I need a different card. Or worse case scenario, I will purchase a sony DVD recorder that I can hook up right to the camera and burn DVD's. Quite a waste of time, and money. Appreciate the input
Millard

Thanks Fireberd,
Yes it does have a TI chip, but I got some more info from Gigabyte support. They said to take out all the cards in that group, put the firewire card back, and see if it works, as there may be conflict between cards. So I will try that after I get my new card back. I will keep you posted. And thanks for the speedy replies.
Regards,
Millard

canonman2012, did you ever get your Sony camera to connect to firewire?