Firmware information
  CD−R CD−RW DVD−R DVD−RW DVD+R DVD+RW DVD+R DL DVD−R DL DVD−RAM
Strategies 1.16 1.25 1.22 1.28CF 1.28 1.27CF 1.22 1.18 1.32
Bitsetting   No No Yes  
Date1 (*) 2008-07-18
Date2 (*) 2008-05-23

(*) 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 original AD-7590S Firmware 1.01.