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Direct Memory Access (DMA) is a data transfer strategy that bypasses the CPU, instead using a dedicated DMA controller to transfer data between memory and a device.
Drivers can use the DMA controller to transfer data directly. To get started, see Introduction to Adapter Objects.
DMA programming techniques include:
Version 3 of the DMA operations interface is available starting with Windows 8. For more information about this interface, see Version 3 of the DMA Operations Interface.