When I 1st got this burner it gave the option to burn at 16x but EZ CD 6 would eventually slow it down to 2x while it was burning. After alot of experimenting I figured out it would burn at 8x all the way thru if selected. Fine. One day I started EZ CD 6 and it wouldn't start... instead the splash screen would come up and it would just hang. I uninstalled and reinstalled and ever since then the Pioneer won't burn DVDs any faster than 4x... it's the only selectable option. It's on UDMA Mode 5 or 4 and the other device on the same channel (Lite-ON CD Burner) is on UDMA Mode 4 or 2. Nothing new there. I've also tried updating the firmware to no avail. Any ideas?