http://www.plextor.be/English/techn...html#4012TA-102

Fixed Bugs:
Hang-up during initialisation of scratched CD-R Discs

Added:
Support for newer CD-R media (Mitsui Chemical 40X)
Support for newer HS CD-RW media (Mitsubishi Chemical 12X)

Improvements:
Write performance for various discs, types and speeds