hi , i need help whit the asus a8sr laptop bios i have installed 302 ,when i try to put the newest bios 304 win flash or easy flash said have not the same size and reboot ,i think when i change the motherboard it come whit the mod of a8000 series but when i try to download the 304 mod i dont donwload it . can someone help me ? i installed a win 7 32 bit when i put 4gb of ram wont boot when i put win 7 64 bits bsod and when i only let 2 gb win 32 work fine ,i think if i update bios its work fine