As such, Xemu is one of the best Xbox emulators you’ll find. It is further along than any other open and closed-source projects in active development. Time will tell if additional peripherals ...

But, it turns out the original Xbox is a little more demanding. One resource for emulation is EmuGen Wiki, whose Xbox page says there's only stable Xbox emulation via Xemu on x86/Intel/AMD systems.

Without them, the Xemu emulator won't detect the games and they'll refuse to run. You will need to obtain the BIOS files from your Xbox, but the file names you will need and the root file ...