Installing Video Cards in AGP and PCI Slots - Tech Support Forum

apg slotThe 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 aAn 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 motherboard