The best practice is to always work with a clean, raw image obtained from the manufacturer or a trusted source before applying your customizations. Where to Find the Tools
If you are still on CSME version 11 (Skylake/Kaby Lake), v16 tools will fail to recognize the HECI device or send misaligned buffer sizes, potentially bricking the platform. Conversely, using v12 tools on a Tiger Lake laptop yields error: Invalid HECI message: Unsupported protocol . intel csme system tools v16
If you want, I can:
A diagnostic tool that reports the current status, capabilities, and versioning of the CSME engine. The best practice is to always work with