Technique for performing DMA including arbitration between a cha

Details Technique for performing DMA including arbitration between a cha Technique for performing DMA including arbitration between a cha

1998-02-10

2000-08-22

Lee, Thomas C.

Electrical computers and digital data processing systems: input/

Access arbitrating

710 22, 710 52, 710240, 710244, G06F 1314

Patent

active

061087432

ABSTRACT:
The invention, in one embodiment, is a method for performing direct memory access. The method includes arbitrating between a chained, low priority, direct memory access and a high priority, direct memory access, the arbitration occurring between two links in the chained, low priority, direct memory access.

REFERENCES:
patent: 4912632 (1990-03-01), Gach et al.
patent: 5471639 (1995-11-01), Harrington
patent: 5760794 (1998-06-01), Munson et al.
patent: 5802581 (1998-09-01), Nelsen
patent: 5857114 (1999-01-01), Kim
IBM Corporation--I/O Chain-Auto Poll Chain Timer for Work Station Controllers--Nov. 1990--Journal--pp. 251-253.
IBM Corporation--DMA Command Chaining to Support Bus Master Interleaved Memory and I/O Transfers On a Micro Channel--Jun.1991--Journal--pp. 236-237.

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