the osprey-500 capture cards are 32-bit, 5-volt pci cards. they are compliant with version 2.1 of the pci hardware specification. the dv option of the osprey-500 is a daughter card. thus the osprey-500 dv and osprey-500 dv pro have both the base card and a daughter card. below is a picture of the osprey-500 dv pro (actual hardware may differ in minor ways):

system requirements
configuring the video capture driver
installing the card
connecting cables