pci slotLearn about the different types of slots on the motherboard, such as PCI, PCIe, PCI-X, AGP, ISA, EISA, VESA, RAM, AMR and CNR. Find out their purposes, features,Learn what a PCI slot is, how it works, and what devices you can connect with it. Compare PCI slot with PCI-Express, a modern bus technology that offers hher speed and bandwidth.