Page 3: AGP and PCI Express slots - iXBT Labs

apg slotAGP 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.The AGP Pro slot uses 5 volts and a regular AGP slot draws only 1.5 or 3.3 volts, misalnment will cause a regular AGP card to draw 5 volts and fry the video card. It's imperative that a