[QUOTE=Liggy;2714488]In that document you can see, which profiles a drive should support according to certain features. For DVD+RW Dual Layer Profile this (amongst others) includes:
[B]003Ah DVD+RW DL Support for reading and optionally writing DVD+RW DL Basic Format[/B]
Feature 003Ah says
[B]If the Write bit is set to one, then the Drive is also capable of background formatting DVD+RW DL discs
according to [DVD+Ref4] and is capable of writing DVD+RW DL discs that have been formatted according to
I have read them all and this thread is not talking about them. I am not talking about features. I am talking about profiles, pages 307 - 325. In page 315 DVD+RW Dual Layer Profile B [/B]is mentioned. For this one I am talking about. Or HD DVD profiles on pages 322 and 323… can they be used to determine if the device can read or write these types of discs?