Firmware information
  CD−R CD−RW DVD−R DVD−RW DVD+R DVD+RW DVD+R DL DVD−R DL DVD−RAM
Strategies 1.02 1.06 1.03 1.12 1.04 1.12g 1.01 1.02g 1.13
Bitsetting   No No Yes  
Date1 (*) 2005-11-18
Date2 (*) 2005-11-18

(*) 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 ND4551A firmware 1-07