ようわからんが方法はこれ
http://www.overclockers.com/forums/showthread.php/774554-How-to-install-Windows-XP-on-a-2016-Skylake-Asus-Z170-A-motherboard?p=7949540
https://www.win-raid.com/t2772f45-Guide-How-to-install-Windows-XP-OS-on-Modern-Hardware-Z-Z-SkyLake-Kaby-Lake.html