The card description says it has 4 pin power connector... did you plug in a power supply connection?
This is more about not capturing at all, and MAY be only for Win7, but reading can't hurt
http://helpx.adobe.com/premiere-pro/kb/cant-capture-dv-hdv-video.html -and more about Windows http://forums.adobe.com/message/4708997
I have NOT used either, but many say to try these for SD capture http://windv.mourek.cz/ or http://www.exsate.com/products/dvcapture/
I have NOT used it, but many say to try this for HDV capture
-archived at http://www.videohelp.com/tools/HDVSplit
-Click the 1st link under "Download sites:" for the latest version