Intel 5000系列MCH中内置有Crystal Beach DMA引擎，它专为Intel的网卡提供IO加速技术。这个为Linux 2.6.x环境下，DMA设备的驱动程序。-There is one DMA engine using crystal beach technology embedded in Intel 5000 serie memory control hub. The DMA engine provides Int

Intel Direct Cache Access feature for enhancing network throughput. It works in conjugation with ioatdma driver in linux.