Computer system DMA transfer

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Details

395325, 395550, G06F 1314, G06F 1516

Patent

active

052874575

ABSTRACT:
A DMA controller coupled to two separate buses controls the transfer of data between them. To effect a block data transfer, data is simultaneously read on one bus and written on the other. This allows data to be transferred between buses at the maximum transfer rate supported by the slower bus.

REFERENCES:
patent: 3752933 (1973-08-01), Cohen et al.
patent: 4067059 (1978-01-01), Derchak
patent: 4143418 (1979-03-01), Hodge et al.
patent: 4231086 (1980-10-01), Tarbox et al.
patent: 4399503 (1983-08-01), Hawley
patent: 4479195 (1984-10-01), Herr
patent: 4580213 (1986-04-01), Hulett et al.

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