Originally posted by kovals
From some reason the Nero InfoTool does not show the correct speed of a X56 drive. I have tried both Aopen and Artec X56 drive and in both cases it's showed X52.
This means that the drive is reporting its maximum speed setting incorrectly. Probably the parameters from the drive's predecessor were copied and the engineers forgot to update the maximum speed parameter.
You should be able to reach 56x with CD Speed as Airhead suggested.