Enabling DMA/UDMA

To make sure your IDE Controller is set to use DMA

1. Right click on the My Computer icon
2. Select Manage
3. Click on Device Manager
4. Expand IDE ATA/ATAPI Controller
5. Right-click on Primary IDE Channel
6. Click on Properties
7. Click on the Advanced Settings tab
8. In the Transfer Mode section, select DMA if available
9. Do this for both devices in both the Primary and Secondary Controllers
10. After you reboot you can go back in and see what the controller is now actually using.