We are using ADV7612 in one of our projects.
The board, based on ADV7612 is designed to take DVI input from a system with ZOTAC GeForce GT 430 Graphics card (Nvidia GT 430 Graphics processor) in it.
We have configured the DVI chip on our board for the required suitable configuration, and also prepared and stored a set of EDID configuration settings under the EDID RAM.
The resolution supported by our device is: 1280*800 (WXGA, 16:10).
We are able to drive the video on our display device when we connect it to the primary DVI port of the Graphics Card, whereas there is no display obtained when we connect our display to the secondary DVI port of the graphics card.
But, we are able to drive video on standard DVI Monitors, being connected to the secondary DVI port of the graphics card.
We have tried to configure the two displays (standard DVI Monitor and our custom display device based on ADV7612) in Clone mode, dual view mode and extended mode, but there is no display available on our display device on the secondary DVI port.
We couldn't find any clear information on the difference of behaviors/properties on both the DVI ports from web.
So, any help from the members of this forum would be appreciated.
Thanks in advance.