Let me know if you need any more help...

Blackmagic drivers can be a bit tricky. There are 2 preferences panels that require configuration. One in system Preferences, and the other in the deck control preferences...

Dont know anything about DV intervideo card(?) - do post any info for future reference.

HighEnd no longer retail Catalyst Software - although, i understand that they still support existing customers. Feel free to contact me should you need any further assistance.

Simon