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PCA-6780 User Manual 74
C.3 DMA channel assignments
Table C.3: DMA channel assignments
Channel Function
0 Available
1 Available (audio)
2 Floppy disk (8-bit transfer)
3 Available (printer port)
4 Cascade for DMA controller 1
5 Available
6 Available
7 Available
* Audio DMA select 1, 3, or 5
** Printer port DMA select 1 (LPT2) or 3 (LPT1)