You have a different address. This mod is not made for you try fptw -d backup.bin -bios if error: afuwin (APTIO) afuwin biosbak.rom /O
but it only backup bios. you have to test it? Bios backup only check addresses bios, if it Correct after flash bios mod As far as I know addresses K53 is 201D2 K55 is 301D2 K45 is 401D2