The DVD burners Optiarc AD-5200A, AD-5201A and AD-5203A were released starting in November 2007. Optiarc also released the Serial-ATA versions of these drives. These drives can be recognized by the letter S instead of A after the model number, e.g. AD-5200S instead of AD-5200A.
Click here for detailed specifications of the Optiarc AD5200A.
The following firmwares are available for download here:
Overview on the used writing strategies