Albatron has released bios updates for its KX400 Series Motherboards.

Fixed audio will disappear after restarting the OS Fix USB2.0 device + USB hub cause USB2.0 device speed down to 1.1 Fixed "DDR:CPU Ratio" display error when FSB = 166( JP2 = 34)(only 2.00X) Support 2400+/2600+/2700+/2800+

Albatron KX400 Bios Updates