Intel officially discontinued the Intel Desktop Board product family in 2013 and stopped providing driver downloads on the official Intel Download Center after September 2019.
The identifier refers to a label often found on Intel Desktop Boards (motherboards), particularly those from the 2nd Generation Core (Sandy Bridge) era using the LGA 1155 socket . It is frequently associated with boards such as the DH61WW or DH61BE that use the Intel H61 chipset. Understanding the "21 B6 E1 E2" Label intel desktop board 21 b6 e1 e2 driver work