My board (LV671) wont support onboard and a PCI VGA for dual display, I have to get a PCI Dual VGA card, but I have issues fitting them.Originally Posted by reddeath30munkynpunky ->
Thats a great setup, but I dont think it will work for you.
Does the same thing show on both the front and the back screens? If so, then it wont work. I have a video card that has both the vga output and the rca output and all it does is show the same screen on both outputs.
You can't do windows extended desktop with a single video card unfortunately. You will need to get a second card to get it to work. This is the only way it is possible with windows because it doesnt support anything else and Windows XP is the only thing that can do the extended desktop. The extended desktop basically means that the resolution shared between the 2 video cards is 1600 x 600. So in my programming when the user hits the split screen button then it tells the module to move the left position setting from 0 to 800. It will show in the 2nd portion of the screen which is displayed on the 2nd monitor. I hope this doesnt dissappoint you, but there was no other way to do this because windows supports nothing else. In fact you can do several different video cards and displays in Windows XP. Where I work, we have a department that uses 3 separate monitors all using extended desktop because their programs they use requires it.
The best way to do this is to use the onboard card and then add a pci video card. Or if there is no onboard but an AGP slot, then use an agp card and a pci card. The built in AGP video and the AGP slot are technically one and the same, so if you just put an AGP card in its slot, it wont work. All it will do is disable the onboard video and transfer control to the AGP slot video card. A PCI video card is the key. Some computers wont support multiple cards at all. It sometimes requires buying 2 PCI video cards and then totally dissabling the onboard. Sometimes it requires a bios update, this is somewhat rare however.
I hope this helps everyone understand how this will work and the requirements better.
Here is a diagram that might explain things better.