Intel SOM-4486 Manuel D’Utilisation
41
Chapter B
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
Parallel port DMA select: DMA 1, 3