Add new modules (e.g., AHCI/RAID drivers, network drivers) to the BIOS.
in a Windows environment to ensure full permissions for file manipulation. Common Issues & Risks File Corruption
The utility can locate and swap the full-screen startup splash graphic. You can replace an old vendor logo with a custom bitmap (BMP) image. How to Use MMTool 326 Safely
MMTool (BIOS Module Management Tool) allows users to open a BIOS ROM file and manipulate its internal structure. It effectively treats the BIOS file like a zip folder, allowing you to: mmtool 326zip
Use this to view existing microcodes or insert a new one by browsing for your specific CPUID.
It allows users to insert newer CPU microcodes. This patches security vulnerabilities (like Spectre or Meltdown) or enables support for newer processors on older motherboards.
Navigate to the appropriate tab depending on your goal: , Replace , or Extract . Add new modules (e
Verify whether your motherboard requires a .ROM or .CAP file, and ensure the modified file has the correct extension.
The actual space the compressed module occupies in the firmware flash. 2. Action Tabs
When you search for "mmtool 326zip," you are likely looking for one of these: You can replace an old vendor logo with
Some motherboard vendors hide advanced settings. By extracting the setup module (often named "Setup" or "AMITSESetup"), editing it with a hex editor, and re-inserting it via MMTool, you can display menus like "Extreme Tweaker" or "North Bridge Configuration."
Use the "Load ROM" button to select your AMI BIOS file (usually .bin or .rom ).
To save a specific module to your PC for backup or analysis. Configure IDs: For Option ROMs, you must typically enter a (often "20") and the specific Vendor/Device IDs for your hardware.