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DMA controller translates virtual I/O device address received directly from application program command to physical i/o device address of I/O device on device bus
DMA controller translates virtual I/O device address received directly from application program command to physical i/o device address of I/O device on device bus
A DMA controller which responds without operating system intervention to virtual addresses provided by application programs, and a memory management unit for providing translations between physical addresses of input/output devices and addresses on a system input/output bus for data transferred by the DMA controller.
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