DMA on Windows 2000, XP
Right click the My Computer icon on the desktop and click
the Hardware page and click the Device Manager button.
the Primary and Secondary IDE Channels as highlighted below,
and double click on the one your hard-drive is connected
to (usually the Primary IDE Channel).
the Advanced Settings page on the IDE Channel Properties
window that appears.
the Transfer Mode dropdown box and select "DMA if available".
the end, it should look like this. Now click on the OK button
to confirm the changes.
you reopen the window, it should state something similar
to the area highlighted below.
it, you've just enabled DMA. Depending on the number of
devices you have on your system, it could be useful to do
this on the Secondary IDE Controller as well, and to both
devices on each of them.