Firmware information
  CD−R CD−RW DVD−R DVD−RW DVD+R DVD+RW DVD+R DL DVD−R DL DVD−RAM
Strategies 1.07 1.09 1.20NECP 1.13 1.19NECP 1.14 1.07NECP 1.04NECP A.08NECP
Bitsetting   No No Yes  
Date1 (*) 2006-06-12
Date2 (*) 2006-06-08

(*) 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 ND7550A OEM firmware 1.AE