Mmtool+326zip Instant

Users can swap out older "PCI Option ROMs" (like Intel RAID ROMs) for newer versions to improve storage performance or compatibility.

For RAID ROMs, find the module with ID "20." For microcodes, go to the CPU Patch tab. mmtool+326zip

Open the original BIOS file (usually .ROM or .BIN ) using the Load ROM button. Users can swap out older "PCI Option ROMs"

The tool automatically handles the dynamic compression required to keep the modified BIOS within the chip's strict size limits. to create your modified file

Browse for your new component file and hit the corresponding button (e.g., Replace or Insert ). Save: Use Save ROM as... to create your modified file. Safety and Compatibility Note [Guide] AMI (non-UEFI) BIOS Modding - Win-Raid Forum

Use the Insert , Replace , or CPU Patch tabs depending on your goal.