Philips DVD+RW DVD8601 6D1 DVD+RW Specifications DVD+RW Physical specifications with the mechanical, physical and optical characteristics of 120 mm rewritable optical discs with a capacity of 4.7 Gbytes and 9.4 Gbytes. It specifies the quality of the recorded and unrecorded signals, the format of the data and the recording method, thereby allowing for information interchange by means of such discs. The data can be written, read and overwritten many times using the phase change method.
Your Phillips burner is in fact a DL burner BUT it cannot burn any DVD-R media meaning that it is a single format (not a dual format), DL DVD burner SO burn away just don't buy any -R media ~> Here's the info: http://support.dell.com/support/edocs/storage/P75084/en/intro.htm Cheers, Pete