i have a xbox v1.4 and i have a xenium gold 24k i have it in and working, i just want to know what bios i need to flash so i can play bacup games, my grandson has a V1.6 that i flashed Mb8plus and that one works great but wont work on my V1.4 can you please tell me what bios i need for the 1.4 thanks a lot!!