Was SATA enabled in the BIOS/CMOS menu?

If you decide to flash the BIOS,
Do NOT, I repeat, do NOT use their Windows BIOS flasher.
Too many feedbacks of failures.
I should know, I ended with a non-functioning mobo for over a week.
Had to hot flash to get it up and running again.
Suggest using the old DOS based method with a floppy.