I use dvd decryptor and shrink and an external liteon 1633 in enclosure connected to pcmcia usb 2.0 card. compaq laptop presario 2100,xp pro ,1.7ghz amd 512ram. I only get transfer rate while burning with decryptor of 0.9x.using maxell 8x media. takes close to two hours to burn 4.7g dvd?? ran the test included with nero highest trans of 3.0x checked to see dma enabled primary ide... yes second ide... multiword 2.toggled with no change alipci 5229 pci to usb open host controller??? dont see any dma selection?? checked bios could not find any settings for this maybe compaq doesnt have? uninstalled all ide,dvd,usb and reinstalled. there is "usb enhanced"which is usb2.0 for winxp flashed updated bios..no change??? can anyone help me please!!!