Unless you have an SPI Flash programmer (like a CH341A) and soldering skills, Given these boards are from the LGA1155/1156 era (2010-2013), replacement cost is lower than the repair effort.
Most boards carrying this specific marking from that production cycle share these characteristics: Socket Support : Commonly (supporting 2nd and 3rd Gen Intel Core i3/i5/i7) or (for older Pentium/Core 2 Quad builds). : Typically supports (up to 1333/1600 MHz) or (for older versions), usually with 2 to 4 slots. : Features one slot for graphics and several legacy PCI or PCIe x1 slots. Connectivity intel desktop board 01 21 b6 e1 e2 er new
: These may appear as debug codes on boards equipped with a 7-segment display. An E1 error can indicate a fault with the memory controller or data storage, sometimes triggered by static or hardware failure. Unless you have an SPI Flash programmer (like