The Top BIOS includes a patched NVMe driver, but you must disable "Secure Boot" and set "OS Type" to "Other OS."
: Flashing some custom BIOS versions for the MR9A Pro may cause the Realtek audio chip to disappear from the system. AIDA64 Crashing machinist x99 mr9a pro bios top
First, do use a BIOS from ASUS, Gigabyte, or MSI. The Machinist MR9A Pro uses a proprietary ROM. To find the current "Top" or best version: The Top BIOS includes a patched NVMe driver,
If you are sticking with the original BIOS or a basic mod, focus on these "Top" settings to maximize your system: do use a BIOS from ASUS