BIOS R2.10 is for AX6F-2.X ONLY. If you have AX6F-1, please use BIOS R1.XX.
If you are upgrading your AX6F from BIOS R2.00, please make sure to clear & update DMI contents by executing the flash utility with following extension:
c:\AOFLASH AX6F210.BIN /CD
It will update the Desktop Management Interface(DMI) pool in order to fully support Advanced Desktop Management (ADM).