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 1.05m 1.13g 1.02m 1.02g 1.13MXL9
Bitsetting   Unknown Unknown Unknown  
Date1 (*) 2006-02-21
Date2 (*) 2006-02-21

(*) 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 ND4550A OEM 1.29 firmware from IOData.