PCI1220 is a PC card controller, supporting PCI bus, PCI local bus, PCI power management interface, ACPI, Intel430TX chipset, supporting 208-pin TQFP, meeting 1995 PC card standard, supporting 3.3V and 5V PCI signal environments, supporting 5V/3.3V PC card 16 cards and 3.3V CardBus cards, supporting hot plug-in and removal, supporting serial interface, supporting parallel PCI interrupts, parallel ISA IRQ and parallel PCI interrupts, serial ISA IRQ and parallel PCI interrupts, serial ISA IRQ and PCI interrupts, supporting subsystem ID and subsystem vendor ID, supporting pipelined architecture, supporting more than 130M bytes / second throughput from CardBus to PCI and from PCI to CardBus, supporting up to five general-purpose I/O, supporting programmable output selection CLKRUN, supporting each socket's separate configuration space, supporting each PC card 16 socket's five PCI memory windows and two I/O windows, supporting each CardBus socket's two I/O windows and two memory windows, supporting Exchangeable Card Architecture (ExCA) compatible registers mapped to memory