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Appendix B System Assignments 25
B.2 DMA channel assignments
Table B-2: DMA channel assignments
Channel Function
0 Available
1 Available
2 Floppy disk (8-bit transfer)
3 Parallel**
4 Cascade for DMA controller 1
5 Available
6 Available
7 Available
** Parallel port DMA default setting: DMA 3
Parallel port DMA select: DMA 1, 3