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Direct memory access (DMA) is a feature of many computer systems that allows certain hardware subsystems to access main system memory independently of the central processing unit (CPU).
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dma cpu memory data transfer controller bus system device address hardware used mode also transfers cache one pci block access
| Subject | Predicate | Object | Confidence | Src |
|---|---|---|---|---|
| memory refresh interruptions | instance of | but no more than 0.9 MB/s in the PC/XT and 1.6 MB/s for 16-bit transfers in the AT due to ISA bus overheads and other interference | 0.80 | text |
| AMBA High-performance Bus | instance of | typical system bus infrastructure is a complex on-chip bus | 0.80 | text |
| network controllers that need to transfer huge amounts of data to/from system memory will have two interface adapters to the AHB | instance of | high bandwidth devices | 0.80 | text |
| Intel's cancelled general-purpose GPU | instance of | in contrast to cache-coherent CMP architectures | 0.80 | text |
| Larrabee | instance of | in contrast to cache-coherent CMP architectures | 0.80 | text |
| Direct memory access | see also | AT Attachment | 0.60 | section |
| Direct memory access | see also | Computer | 0.60 | section |
| Direct memory access | see also | MCU | 0.60 | section |
| Direct memory access | see also | Integrated | 0.60 | section |
| Direct memory access | see also | I/O | 0.60 | section |
| Direct memory access | see also | High-performance | 0.60 | section |
| Direct memory access | see also | Cyberattack | 0.60 | section |
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