I hope someone will share their modded and tested bios with nvme support for ASUS P8Z77-M
Thank You!
The original bios version 2203 is here.
And why not do it yourself as thousands of users already done it?
Guide here by Fernando:
https://winraid.level1techs.com/t/howto-get-full-nvme-support-for-all-systems-with-an-ami-uefi-bios/30901/7314