Hi,
Please kindly understand that this is only Windows 7 forum. You could ask in Script Center forum
Scripting forum
http://social.technet.microsoft.com/Forums/en-us/ITCG/threads
I suggest you reinstall the 1394 driver to legacy mode in Windows 7.

Here is an related article can be referred to.
To operate a 1394 PCI card in legacy mode in Windows 7
http://www.viaarena.com/FAQs.aspx?PageID=&FCat=13
Note: Since the website is not hosted by Microsoft, the link may change without notice. Microsoft does not guarantee the accuracy of this information.
Hope that helps.