Firmware information
  CD−R CD−RW DVD−R DVD−RW DVD+R DVD+RW DVD+R DL DVD−R DL DVD−RAM
Strategies 1.15 1.20 1.21 1.20BF 1.22 1.19BF 1.19 1.16 1.24
Bitsetting   No No Yes  
Date1 (*) 2008-03-25
Date2 (*) 2008-03-25

(*) 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-7593A Firmware 1.02.