Built-in ATI Radeon Xpress 1100 graphics with a robust 512MB of video memory—256MB dedicated—are ready for more demanding games and video.
就是说512MB显存里面只有256MB是显卡上的显存,1GB内存里面有256MB被划成显存来实现总共512MB显存.大概在BIOS里面能设置,这样,您可以有256MB总显存,1GB系统内存.
老兄,您得装64位OS啊,否则,只能作32位用