Firmware information
  CD−R CD−RW DVD−R DVD−RW DVD+R DVD+RW DVD+R DL DVD−R DL DVD−RAM
Strategies 1.09B A.04 1.20C A.03 1.19CF A.09 1.20A 1.18A A.02
Bitsetting   Auto Auto Auto  
Date1 (*) 2007-04-10
Date2 (*) 2007-03-02

(*) 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:

AD-7173S IOData OEM firmware Version 1-21