sorry I never face those mobo till now.....some mobo didn't have inbuild but have its vga with it. When u purchase mobo vendor also gave u a vga cards or what ever u called.I second what Mark D says, A LOT of motherboards even today do not have integrated graphics. Especially high end motherboards with lots of features where space is limited due to the sheer amount of hardware for the features.
I guess u don't understand what I mean? every mobo must have inbuild VGA. I suggest u to use that VGA not AGP cards.
I might be wrong.