| CD−R | CD−RW | DVD−R | DVD−RW | DVD+R | DVD+RW | DVD+R DL | DVD−R DL | DVD−RAM | |
|---|---|---|---|---|---|---|---|---|---|
| Strategies | 1.04 | 1.09 | 1.20GEN | 1.14 | 1.16GEN | 1.18GEN | 1.10GEN | 1.06GEN | 1.18 |
| Bitsetting | No | No | Yes | ||||||
| Date1 (*) | 2006-12-28 | ||||||||
| Date2 (*) | 2006-06-21 | ||||||||
(*) Date 1 seems to be related to the strategy version while date 2 seems to be related to the main firmware code
This is the stock Optiarc AD-5540A firmware 2.01b. The letter b was used to indicate that this is the second known 2.01 firmware for the Optiarc AD-5540A