This may get you going: http://support.microsoft.com/kb/314060/#letmefixit
You could also try this:
Goto Control Panel->System->Hardware->Device Manager.
Click on View, choose devices by connection.
Expand the ATI IDE Controller
Expand the Primary IDE Channel
Make sure ATAPI DVD A DH16AYH is listed under the expanded IDE Controller.
Double Click the Primary IDE Channel
Click on Advanced Settings Tab
Change the transfer mode for Device 0 from "DMA if available" to "PIO only"