Mmtool 4.50.0.23 ((new)) -

| Tab | Function | Why Use It? | |------|----------|--------------| | | View and extract components (DXE drivers, PEI modules, SMM handlers) from BIOS | Backup original modules before editing | | Replace | Swap an existing module with a modified version | Patch a driver, inject a custom EFI app | | Insert | Add a new module into a free volume slot | Add NVMe driver, add network boot ROM | | Delete | Remove modules entirely | Strip out unneeded features for space | | Change Settings | Modify EFI volume attributes | Alter compression, set GUIDs | | Secure Boot | Manage keys and signatures | Insert custom PK, KEK, DB keys |

. For newer hardware, you should use MMTool 5.02.0024 or later. step-by-step guide

: Go to the Browse button and select the NvmExpressDxe_Small.ffs file. Insert Module : Find the CSMCORE file in the list. Select the Insert after option. Click Insert . Save : Save the modded BIOS under a new name. ⚠️ Important Considerations

: Update or add new CPU microcode to support newer processors on older motherboards.