Please contact Media Sciences if your questions are not answered on these pages. Hurry and jump from the 80 minute frying pan into the 90 minute fire. The maximum capacity of a disc that fully conforms to the Orange Book standard is 74 minutes.
Higher capacities require a forgiving write or read drive.
Some drives tolerate defects but many do not. Program area diameters must be between 50 mm and 116 mm. Adequate margins absorb normal manufacturing variations. Not only are these values outside specified limits, production variations make the situation even worse. The result is unpredictable write and read quality.