The special subdirectory contains pre-release candidates and other special firmware.
MD5 sums:
| 6570d34d83e58c839ded2da549da3e5f | SDSU_RevU0104.s |
| 0344493ede56396bcc310b6c49b47cec | SDSU_RevU0105.s |
| 8b10bfd21e46ff49a628d56b9d23dcb7 | SDSU_RevU0106.s |
| 9fb4757629b5abe9e56cfed89b3298eb | SDSU_RevU0107.s Requires new driver. |