i checked this link:
MSI Global ? Computer, Laptop, Notebook, Desktop, Mainboard, Graphics and more
and this video:
YouTube - MSI 890GXM-G65 890GX DDR3 AM3 Crossfire Motherboard Unboxing & First Look Linus Tech Tips
the video shows 2 16x pcie slots, i pci and 1 small one (1x?)
and...