Ok, my english is not good, because I'm from Poland.
So i saw this video https://www.youtube.com/watch?v=TjEQmZrRmtE and i was doing everything okay, to the one moment. When i had to putt the G92.rom to my KeplerBiosTempler. So i putted this, and this said "Unsupported device". Please help me, i really want to play some games!