Based on common listings and technical descriptions for these markings, your board is likely one of the following: Intel DB85FL : A Micro-ATX board with an socket, supporting 4th Generation Intel Core processors. Intel LGA 1155 (2nd/3rd Gen) : Many boards with these markings are older models (Socket H2) paired with processors like the Specific Part Number (AA Number)
Features standard I/O including USB 2.0 (and occasionally early USB 3.0), Ethernet (RJ-45), and VGA/DisplayPort for integrated graphics. intel desktop board 01 21 b6 e1 e2 er