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ATI Switchable Graphics technology is a joint effort between ATI/AMD and Intel Corp. to provide users of Intel Centrino 2 notebooks the best features of various graphics adapters: performance and feature-set of discrete GPU and power-efficiency of integrated graphics processor (IGP). A similar technology was also developed by Intel and Nvidia so that to provide customers a choice of graphics processors.

Thanks to Switchable Graphics technology, select notebooks that feature Intel GS45 or GM45 core-logic set and ATI Mobility Radeon HD 3600 or 3400 graphics chip can switch between standalone and integrated graphics cores dynamically depending on the power source and user preferences without rebooting the PC. Although dynamic switching between graphics cores does not require any complex technology inside chips themselves, the notebook and its BIOS must be specifically designed to support the capability.