If you are looking for the or development tools:
The is not a specific motherboard model, but rather a reference to the Aptio UEFI firmware (BIOS) developed by American Megatrends Inc. (AMI) . This string often appears on the splash screen or within the system information of various industrial and consumer motherboards released around the mid-to-late 2010s that utilize AMI's modular BIOS architecture. Common Motherboard Configurations ami aptio dt 2006 mainboard link
Here is the deep dive into the AMI Aptio platform, the likely hardware you are looking for, and the specific "links" (resources) available for it. If you are looking for the or development