Socket 423478 Motherboards with Universal AGP Slot

apg slotAn AGP 3.3V motherboard connector can only accept AGP cards which have the 3.3V slot. If you try to insert a card without a 3.3V slot into an AGP 3.3V motherboardAGP was desned specifically for graphics cards, and its desn was based on the PCI slot. AGP allows the graphics card to communicate directly to the CPU. It doesn’t share the bus of any PCI slot on the same motherboard.