History Of Graphics card motherboard slots:- PCI VS

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 2X chipsets come with 3.3V slots, AGP 8x chipsets come with 1.5V slots, and some AGP 4x chipsets come with AGP Universal slots. 3.3V slots use the front key notch,