The BIOS wasn't updated. since the flash process was interrupted (for whatever reason) it never finished, so your BIOS is corrupted.
Depending on the board, there might be a few things you can try.
First: a lot of new Motherboards have two BIOS Chips, and if one fails or is flashed badly, the other one can be used. This is usually rather strongly advertised all over the place. I think it might be a feature of GiGaByte motherboards though, not ASUS.
Additionally, a lot of systems have a teensy basic bit of ROM that is used in such an emergency, where you place the proper files on a floppy disk and the ROM will flash the BIOS using that, at which point you can be up and running again. The instructions for that process vary depending on the specific board in question. I can't really find anything on your model that would point to this as a feature of the board. (Which is a bit weird since my old Super Socket 7 motherboard has this feature)
And there is of course actually replacing the BIOS chip itself.
And of course, although at this point it isn't very helpful at all- there is very seldom a reason to Flash your BIOS. BSOD errors are Issues with Drivers, and are so rarely even remotely related to BIOS revisions that it's not worth considering. Usually the only reason to flash a BIOS is to enable support for newer CPUs or different RAM speeds. (that is, hardware stuff).
Currently i'm using an old faulty motherboard which likes to pump 12.8V of juice through it self... Lovely huh? And it freezes every couple hours too.
the Voltage Rails being given to the Motherboard and other components are controlled by the Power Supply. The motherboard can only vary the amperage that it draws, not the voltages. (the motherboard in this case is not faulty, it's probably the PSU). I know because the aforementioned Super Socket 7 board was extremely unreliable up until I replaced it's power supply.