Flashing Bios

You need an USB stick capable of booting DOS. The easiest way to make one is to use Unetbootin. It's available for both Linux and Windows.

1 Linux
Press Alt+F2, check Run in Terminal and click Run to open a terminal.

sudo yum install syslinux p7zip-plugins
wget -O unetbootin http://downloads.sourceforge.net/unetbootin/unetbootin-linux-293
chmod 755 unetbootin
sudo ./unetbootin &

Select everything like in the screenshot, the drive will be /dev/sdb1 if only one device is connected, and click OK.

1 Windows
Just download the file from here. Select everything like in the screenshot, you may need to adjust the drive letter, and click OK.

2 Extract all files from the BIOS zip file onto the USB drive.

3 Reboot and press F12 to select a bootable device. Choose option 5 when prompted by DOS and ignore the error about a missing CD-ROM. Change to drive C: and if that doesn't work try drive B: instead.

4 Run the batch file to flash the BIOS by simply entering its filename, which is 3310.BAT for the latest BIOS version. The AC adapter must be connected or the flash utility will wait until it is.

5 After successfully flashing the BIOS the AA1 will reboot by itself. A few BIOS settings will be reset to default and might need to be readjusted if you changed them from the default values before.