Motherboard Pci Slots How Do I Upgrade Graphics In A PCI Slot Motherboard ?

How do i upgrade graphics in a PCI slot motherboard ? - motherboard pci slots

I only have PCI slots on my motherboard. The parameters for this illustration is an integrated Intel Extreme Graphics up to 64MB dynamic video memory. I need to update without having my motherboard. But I have a PCI slot and not the new come with him. How do I upgrade?