Firmware information
  CD−R CD−RW DVD−R DVD−RW DVD+R DVD+RW DVD+R DL DVD−R DL DVD−RAM
Strategies 1.14A 1.30AF 1.21AF 1.22AF 1.21A 1.23AF 1.17A 1.18A 1.10
Bitsetting   No No Yes  
Date1 (*) 2008-03-17
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 Plextor PX-820SA firmware 1.00