![](/images/new-backgrounds/1213402/213402203x1.webp)
System DMA specifications
Hardware DMA | System function |
|
|
DMA0 | Not applicable |
|
|
DMA1 | Not applicable |
|
|
DMA2 | Not applicable |
|
|
DMA3 | Not applicable |
|
|
DMA4 | Direct memory access controller |
|
|
DMA5 | Available for PC Card |
|
|
DMA6 | Not assigned |
|
|
DMA7 | Not assigned |
NOTE: The Compaq Presario CQ40 does not include a PC card.
94 Chapter 6 Specifications