DMA usage

The following table lists the direct memory access (DMA) channels that the system typically uses and which ones are available for use by expansion cards.

DMA

Resource

 

 

0

Cascade

 

 

1

Available

 

 

2

Floppy controller

 

 

3

Available

 

 

4

Redirect cascade

 

 

5

Available

 

 

6

Available

 

 

7

Available

 

 

Reference Data 113