Firmware information
  CD−R CD−RW DVD−R DVD−RW DVD+R DVD+RW DVD+R DL DVD−R DL DVD−RAM
Strategies 1.03 1.06 1.08 1.04 1.09 1.06 1.03 1.01 1.00
Bitsetting   No No Yes  
Date1 (*) 2010-12-02
Date2 (*) 2010-09-15

(*) 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 Sony DRU-880S firmware 1.61 (AD-7260S OEM firmware)