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!free! — Mmtool 4.50.0.23.7z

Because this is a proprietary tool, it is not hosted on AMI’s public website. You will typically find it on:

: Supports scriptable operations via command-line options. MMTOOL 4.50.0.23.7z

This tool is for Aptio IV. Attempting to use it on newer Aptio V (e.g., Z170, X99 and newer) will likely cause errors. Download 7-Zip: To extract the MMTOOL 4.50.0.23.7z file. Because this is a proprietary tool, it is

is a compressed archive containing the MMTOOL software, developed by American Megatrends Inc. (AMI). Specifically, version 4.50.0.23 is engineered to edit AMI Aptio 4 UEFI firmware files. Because this is a proprietary tool