You can speed up your CD Drive, DVD Drive or Hard Drive by activating DMA. But some Drives are not supported for DMA and you should update BIOS and Chipset Drivers from their web sites to get DMA support. Some softwares and software installers aren’t working with DMA. So that, we must think twice before activate DMA. Windows XP and Windows 9X use deferent methods activate DMA.
In Windows XP
1. Open Control Panel (Start>Settings>Control Panel)
2. Click Switch to Classic View in Left Side Bar
3. Double Click on the ‘System’
4. Select Hardware Tab and Click Device Manager
5. Click on the Plus(+) sign near the ‘IDE Controllers’
6. Double Click ‘Primary IDE Channel’ and Select Advanced Settings Tab
7. Set Device 0 and Device 1 Transfer Modes to ‘DMA if available’
8. Click OK
9. Double Click ‘Secondary IDE Channel’ and Select Advanced Settings Tab
10. Set Device 0 and Device 1 Transfer Modes to ‘DMA if available’
11. Click OK
12. Close Device Manager Window
In Windows 9X
1. Open Control Panel (Start>Settings>Control Panel)
2. Double Click on the ‘System’
4. Select Hardware Tab and Click Device Manager
5. Click on the Plus(+) sign near the CD/DVD Drives
6. Double Click on a CD/DVD Drive and Select Settings
7. Check DMA check box under the Options
8. Click OK (Repeat Steps 6 to Step 8 on your all CD/DVD Drives)
9. Click on the Plus(+) sign near the ‘Disk Drives’
10. Double Click on a Hard Drive and Select Settings
11. Check DMA check box under the Options
12. Click OK (Repeat Steps 10 to Step 12 on your all Hard Drives)
13. Close Device Manager Window