January 23, 200334 PC Buses and Ports ISASlow-speed devices like mouse, modem PCIHigh-speed devices like hard disks and network cards AGPConnects memory and graphics card for faster video performance USBSupports daisy-chaining eliminating the need for multiple expansion cards; hot-swappable IEEE 1394 (FireWire) High-speed bus connecting video equipment to the computer PC Card PCMCIA Credit card sized PC card devices normally found on laptops