Patent ID: 6323866
Filing Date: 2001-11-27
Classification: G06F,G09G

Abstract:
An integrated circuit device for use in a computer system that includes a processing unit, a host bus connected to the processing unit, an input/output bus, a peripheral device connected to the input/output bus, a monitor, and a system memory, said integrated circuit device comprising:a core controller adapted to be connected to the host bus;a bus bridge connected to said core controller and adapted to be connected to the input/output bus;a graphical controller connected to said core controller and said bus bridge and adapted to be connected to the monitor;a unified memory control unit connected to said core controller and said graphical controller and adapted to be connected to the system memory; andthree separate and concurrently operable internal buses that connect said graphical controller and a respective one of said core controller, said bus bridge and said unified memory control unit.