PATHDocumentation > Hardware > Power Mac G4 Cube Developer Note

     

DMA Support

The KeyLargo IC provides DB-DMA (descriptor-based direct memory access) support for the following I/O channels:

The DBDMA system provides a scatter-gather process based on memory resident data structures that describe the data transfers. The DMA engine is enhanced to allow bursting of data files for improved performance.


© 2000 Apple Computer, Inc. (Last Updated 04 Oct 00)