" is a firmware identifier, specific specs vary by the actual manufacturer (e.g., Supermicro, Advantech, or MSI), but they generally include: AMI Aptio COB-G901-000 Z305 DT 2006 EP 96 3746 ... - eBay
The "2006" in the title can be misleading; it often refers to a legacy identifier or a specific versioning branch rather than the manufacturing year, especially when discussed in the context of 2021-2026 hardware. ami aptio dt 2006 mainboard 2021