If you want to insert, replace or extract an entire “DXE Driver”, you need resp.

They are located within a special “DXE Driver Volume Image” of the BIOS Region, which is part of the complete BIOS.

EFI BIOS modules (= “DXE Drivers”) are managing specific devices while booting in UEFI mode.

Introduction: What are “EFI BIOS modules”. Note: the UEFITool can accomplish similar tasks with LEGACY mode Option ROM modules as well, but this is more complicated and not the topic of this guide.Įxtract/insert/replace an EFI BIOS module Since the UEFITool “maker” CodeRush himself hasn’t yet published detailed instructions regarding the usage of all specific UEFITool options, I decided to offer here a short guide just about how to insert/replace the most important EFI modules into an AMI UEFI BIOS. That is why I recommend to use the UEFITool, if you wantĪ) to insert a previously not present EFI module into a specific mainboard UEFI BIOS orī) to manually replace an already existing EFI module by another version or variant. is free and can be used by everyone (since it is an “Open Source” project, there are no restrictions).

it automaticly corrects the checksum of an FFS file while inserting/updating it) andģ. works absolutely precise and very safe (e.g. can modify all “pure” (=extracted) AMI UEFI BIOS files (no matter whether its structure is Aptio IV or Aptio V),Ģ. Both tools have been developed and is still kept up-to-date by our Forum member CodeRush.Īt first view the usage of the UEFITool may not be as comfortable and easy to understand as the usage of the related AMI Aptio IV or Aptio V UEFI MMTool, but these are the benefits the users of the UEFITool will get:ġ. My favorite UEFI BIOS modding tool for these specific tasks is the normal “UEFITool” (don’t use the _NE variant for this purpose).

(AMI) doesn’t allow to offer their AMI Aptio UEFI MMTools for the public, you may have to use another tool, if you want to manually modify an AMI UEFI BIOS according to your wishes. Since the company American Megatrends Inc. All users, who want to manually optimize the UEFI BIOS of their manboard/system:

For iphone instal UEFITool A67