I am a new user.I was having 2 1/2 hr burn timeGo to http://winhlp.com/WxDMA.htm
Click on link under Quick Solution
This will reset PIO to DMA.
IT WORKS!!! burn time now---20-30 min like before.
Thank you to all that helped me fix my promblem!
This feature is now built into DVDFab! The button is at the bottom of the window in Common Settings-->General. Thanks Fengtao