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 1.05 1.20DUP 1.13 1.19DUP 1.16A 1.20DUP 1.18DUP 1.13BF
Bitsetting   No No Yes  
Date1 (*) 2008-02-21
Date2 (*) 2008-02-21

(*) 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-5170A firmware 1.Gq