Modifying Configuration ROM

Hi,
I am creating a DVHS emulator device. First i have created a virtual device and installed driver using 1394api.dll. Now i want send a request of

REQUEST_SET_LOCAL_HOST_PROPERTIES with SET_LOCAL_HOST_PROPERTIES_MODIFY_CROM

to modify the Configuration ROM data of the local host controller. Can any body help me how the Unit Directory structure looks like and how can we fill up the parameters in the unit directory with sample.

IS there any other things i need to do apart from the above request In order to make the host controller as an DVHS Device.

regards

srinivas


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