Direct Memory Access

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direct memory access

[də¦rekt ¦mem·rē ′ak‚ses]
(computer science)
The use of special hardware for direct transfer of data to or from memory to minimize the interruptions caused by program-controlled data transfers. Abbreviated dma.

Direct Memory Access

(DMA) A facility of some architectures which allows a peripheral to read and write memory without intervention by the CPU. DMA is a limited form of bus mastering.
References in periodicals archive ?
Unlike the earlier-generation processing technologies that have been used up to this point, an efficient SNAP design is optimized for processing TCP/IP and ULPs like iSCSI, Remote Direct Memory Access (RDMA).
Parallel databases, including Oracle Parallel Server, IBM DB2 UDB EEE, and Microsoft SQL Server 2000 were early adopters of VI, exploiting the benefits of direct memory access.

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