Why won my DVD-R discs burn at 2X speed?
Unfortunately there is no official standard for the manufacturers of 2X discs. Standards are set by a group called the DVD Forum, and they DO have a standard for 1X. The way that Pioneer gets 2X performance on some kinds of DVD-R discs is by testing a sample of each manufacturer’s discs and tweaking their DVR-104/A04 burner’s firmware for each disc. If they find an adjustment that works for a disc brand and type, they create a modified version of their firmware and release it on their web pages. Every few weeks or months, there is a new firmware for the Pioneer brand DVR-104 and DVR-A04. However, some DVR-104 units installed by other computer makers may use different, and older, firmware. That firmware may not recognize as many kinds of discs to operate at 2X. FOR WINDOWS USERS — Most of our Windows users have no problems with the 2X speed on our 2X Pro-Grade DVD-Rs, however we have had a few Apple owners report that they’ve had problems. If you’re a Windows and Pioneer drive user and
