Slots on the PC Motherboard
Bus and I/O Information for the various types of slots on personal computer motherboards.
ISA Bus (Industry Standard Architecture)
EISA Bus (Extended Industry Standard Architecture)
VL Bus (VESA Local Bus)
PCI
PCI-X
PCI Express (formerly 3GIO)
PCMCIA (Personal Computer Memory Card International Association)
CardBus (PCMCIA Bus Master)
AGP (Accelerated Graphics Port)