ASUS - ZenTalk

Hi, I bought this motherboad specially because it have PS/2 connector but faced problems using PS/2 keyboard: when I saved something in BIOS then I can't enter in BIOS again, DEL of F2 buttons have not effect, also if I have failed overclock message ...

Dear ASUS, share kernel source code for ASUS Zenfone Max Pro M1 ZB602KL from Android Q 17.2017.2004.424 firmware, please.