I don't think it is a video card, I think that's and Integrated graphics, because I use to own a P5RD1-VM which had the exact same chip you mentioned. Did you try to find the latest Catalyst driver? I bet your chip earned 2.0 Windows Experience Index points on vista.
MOBO? Motherboard right? I google it and came up with this. Manufacturer: Asus Motherboard Name: A8AE-LE HP/Compaq motherboard name: AmberineM-GL6E Memory this is my basics, I guess? AMD Athlon 64 3500+ Processor 2GB PC3200 DDR Memory ATI Radeon Xpress 200 Integrated Graphics with 128MB Shared Memory