You can change the mouse cursors in the BIOS?

please help if you can?
I want to change the mouse in the BIOS)) found PNG files


unpacked–I get 2 folders


there PNG files


I want to do like that!


please tell me how to insert them in the “fayl.rom” — and then in the original BIOS file ??? __))that would not kill bios !!
ASUS MAXIMUS VIII RANGER

Sorry for the electronic translators)))