The alphanumeric code (often found near marking E210882) is a regulatory or industry specification marking rather than a specific Intel motherboard model name. However, this marking is most commonly associated with boards featuring the LGA 1155 socket and 2nd Generation Intel Chipsets (like the H61 or Q67). General Specifications
To find the exact official specification link for your specific board, look for the (e.g., AA G23116-XXX) printed on a small barcode label on the board itself. You can then search for that specific number on the Intel Support site for precise technical documentation. Intel Desktop Board 21 B6 E1 E2 ER intel desktop board 21 b6 e1 e2 specification link
: Enter that AA number into the Intel Support Search to pull up the exact Technical Product Specification (TPS). The alphanumeric code (often found near marking E210882)
Intel uses "AA Numbers" (like E21816) to track revisions. The string "21 B6 E1 E2" is often how OCR software or users read the dense barcode label on the board or the box. This identifies the board as the DQ67OW , a popular business-class motherboard released around 2011 for 2nd and 3rd Generation Intel Core processors. You can then search for that specific number