Modified BIOS for Lenovo M720q

BIOS/UEFI Modding BIOS Modding/Flashing Tools
2

[Release] Resizable BAR BIOS EFI Module - BIOS/UEFI Modding / BIOS modules (PCI ROM, EFI and others) - Win-Raid Forum

Keep in mind that a backup made with AMI tools is NOT a full firmware backup and this file wont be useful at all in recovering a system after a failed mod/flash.
A cheap CH341A should be an option for those engaging in such mods.