Documentation on which chipsets and firmware versions are supported.

Most CSM tools require Secure Boot to be turned off in your BIOS settings.

"" typically refers to the CSM (Compatibility Support Module) Wrapper —a specialized tool used by tech enthusiasts and system administrators to manage legacy BIOS/UEFI compatibility on modern hardware.

Unzip csmmw.zip to a dedicated folder or a bootable USB drive.

Use the field testing checklist to verify that your hardware can handle the wrapper without stability issues. Why You Might Need It