The Leadtek PX7300GS TDH is locked onto Clone Mode and this cannot be changed.

Reason
This is also a firmware problem

Solution
At this time there is no firmware available for the Leadtek PX7300GS TDH Card. We have mailed Leadtek regarding this and will need to wait for a reply.

Reference:
SoneilP – Corex
SamirS – RCT DBN