Once the ROM is modified, you must manually point your VM to it by adding efi64.filename = "modified_efi.rom" to the .vmx configuration file.
Integrating specific drivers or patches (e.g., NVMe support for older environments) directly into the virtual firmware using tools like UEFITool . 📂 Typical Contents VMware EFI Mod Kit [Updated 09-2021].7z
This kit is specific to EFI/UEFI boot modes. For older "Legacy BIOS" VMs, users typically modify the BIOS.440.ROM instead. Once the ROM is modified, you must manually
Pre-extracted EFI32.ROM and EFI64.ROM files from various VMware versions (like Workstation 15 or 16). For older "Legacy BIOS" VMs, users typically modify the BIOS
Always verify the source of such kits, as third-party firmware tools are often hosted on enthusiast forums like MyDigitalLife and may carry risks if not from a trusted community member.
Update: Adding a driver to a UEFI firmware · Issue #40 - GitHub
While specific versions vary, a ".7z" kit from late 2021 usually includes: