Mmtool 4.50.0.23 Site

Developed by AMI (American Megatrends International), MMTool is an official, though not publicly marketed, utility used to manipulate AMI UEFI BIOS capsules. Think of it as a surgically precise file manager for your motherboard’s firmware.

For example, a motherboard manufacturer might ship a board with a RAID controller Option ROM version 1.0. Over time, the manufacturer of that RAID controller (e.g., Intel, LSI, or JMicron) releases version 2.0, which fixes bugs or adds support for larger hard drives. Manufacturers rarely update the motherboard BIOS for older boards. With MMTool 4.50.0.23, a user can: mmtool 4.50.0.23

Use a hardware programmer or a flash tool that ignores signature checks. on a modified BIOS unless you know it has no secure flash verification. Developed by AMI (American Megatrends International)