Direct Memory Access; Dma Channel - Datatech Enterprises Apex 386SX/16 User Manual

16mhz 386sx system
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Direct Memory Access

DMA controller chips (four channels in each chip) are used to provide

DMA Channel

8-bit data, 8-bit I/O adapters and 8-bit or 16-bit system memory are
64KB blocks throughout the 16-megabyte system address space.
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