Help please I need to know what kind of mother board my dell optiplex GX240 has?

I bought this video card the XFX PVT44AWANG GeForce 6200 256MB 64-bit GDDR2 AGP 8X Video Card would my mother board work for this video card isn't my mother board compatible with an apg.5V card or are mother boards for the dell optiplex GX240 not the same so you wouldn't be able to answer my question? so if you can, just tell me if this card will work for computer cause I already bought the card.... thanks