Mmtool 4.50.0.23 Now

Newer MMTool versions (like 5.0.0.7, 5.2.0.24, and 5.2.0.25) are recommended for:

If you receive a save error, you may be using the wrong MMTool version for your BIOS type. Verify whether your motherboard uses Aptio IV or Aptio V architecture. mmtool 4.50.0.23

The Ultimate Guide to MMTool 4.50.0.23: Modifying AMI Aptio IV ROMs Introduction Newer MMTool versions (like 5