BIOS chips have strictly limited storage capacities (typically 8MB, 16MB, or 32MB). If you receive a space error when trying to insert a module, you must first remove unnecessary modules, such as network boot drivers (PXE ROMs) or language files you do not use, to free up space. "File size does not match"
In the field, type the volume number you noted in Step 2.
An important historical note: American Megatrends Inc. (AMI) has requested the removal of direct download links for this proprietary tool from many public forums (notably Win-Raid). Consequently, finding an "official" source is challenging. However, the tool is widely available across the internet. If you perform a search for the specific string "MMTool Aptio 4.50.0023" , you will find numerous third-party sites, Weebly pages, or community posts that host the archive. Always scan downloaded executable files from the internet with updated antivirus software before running them.
Click the button to overwrite the existing file, or Save Image As to create a new modified file.