Look for the "Access/Use" column. Change "Default" to "User" for any sub-menu or setting you want to appear in your BIOS.
You can customize the text displayed within the BIOS, including branding and version numbers. How to Use AMIBCP 4.53 (Basic Workflow) amibcp 453 free
Save the modified file. You will then need to flash this modified BIOS using a tool like AFUDOS or a hardware programmer. Where to Find AMIBCP 4.53 Free Look for the "Access/Use" column
If you are working with a motherboard from roughly 2011 to 2015, version 4.53 is likely the specific tool you need to access hidden menus. Key Features of AMIBCP 4.53 amibcp 453 free
In the world of BIOS modding, newer isn't always better. Different versions of AMIBCP support different Aptio core versions.