| CD−R | CD−RW | DVD−R | DVD−RW | DVD+R | DVD+RW | DVD+R DL | DVD−R DL | DVD−RAM | |
|---|---|---|---|---|---|---|---|---|---|
| Strategies | 1.04 | 1.07 | 1.09 | 1.08 | 1.09 | 1.10 | 1.06 | 1.04 | 1.13 |
| Bitsetting | Yes | Yes | Yes | ||||||
| Date1 (*) | 2006-07-26 | ||||||||
| Date2 (*) | 2006-07-26 | ||||||||
(*) Date 1 seems to be related to the strategy version while date 2 seems to be related to the main firmware code
This firmware is based on the original Optiarc AD7540A 1.42c Firmware. The lettter c was used to indicate that this is the third known 1.42 firmware. In addition to the original firmware, this one contains bitsetting functionality for DVD+R and DVD+RW.