Firmware information
  CD−R CD−RW DVD−R DVD−RW DVD+R DVD+RW DVD+R DL DVD−R DL DVD−RAM
Strategies 1.13 1.18 1.17 1.17 1.15B 1.15 1.17 1.12 1.20
Bitsetting   No No Yes  
Date1 (*) 2007-12-11
Date2 (*) 2007-12-11

(*) Date 1 seems to be related to the strategy version while date 2 seems to be related to the main firmware code

The following firmwares are included:

This is the stock Optiarc AD-7590A firmware 1.41