Yes that is what has happened, whenever you update your bios firmware to a new bios revision number.
The bios is set back to factory default mode settings.
And you have to setup the Sata mode in your bios again.
Along with any other settings that you changed when you first bought the motherboard and put the system together and ran it for the first time 808.
Ahci mode for the Sata ports, set the boot device order for hard drives ect.
Enable legacy detection of usb devices, and set the type of audio out put for the rear I/O sound ports, and also the two front audio ports of your system case if you have them.