ASUS transitioned to AMI Aptio around 2006. Their P5 series boards are famous for:
: Often described in resale listings as durable industrial equipment, arriving in "pristine shape" even when purchased as used or refurbished stock. Key Considerations BIOS Customization ami aptio dt 2006 mainboard full
(developed by American Megatrends Inc.) and its copyright date rather than a specific commercial motherboard model. You will often see this text on a small silver sticker on the BIOS chip or the motherboard's I/O ports. ASUS transitioned to AMI Aptio around 2006