Patent ID: 7136955

Claim:
An expansion adapter for communicating a chipset of a computer with at lease one peripheral device, comprising: a first AGP bus control module communicable with the chipset via a first AGP bus for controlling data transmission between said expansion adapter and said chipset, and having first identifying codes to be read and identified by the operating system of said computer, said first identifying codes being set to show no AGP device function in a first situation; and a second AGP bus control module in communication with said first AGP bus control module, communicable with an AGP device via a second AGP bus for controlling data transmission between said expansion adapter and said AGP device, and having second identifying codes to be read and identified by the operation system of said computer, said second identifying codes being set to show no AGP device function in said first situation, thereby allowing said AGP device to communicate with said chipset via said expansion adapter.