Solved Two boot menus BIOS and UEFI

[Steve2926]

I already gave you the answer
https://ventoy.net/en/doc_secondary_boot_menu.html
https://ventoy.net/en/doc_name_identifier.html

you can add vtmemdisk if you want the file to be loaded into memory always

or use ventoy.json file and automemdisk
https://ventoy.net/en/plugin_automemdisk.html