I think I have the latest BIOS that the A4-3400 can handle which is 1.10: http://www.msi.com/product/mb/A55M-P33.html#/?div=CPUSupport
I think I have the latest BIOS that the A4-3400 can handle which is 1.10: http:// www.msi. com/product/ mb/A55M- P33.html# /?div=CPUSuppor t