The is an Intel H61 Express chipset motherboard (LGA1155 socket). It supports 2nd and 3rd generation Intel Core processors (Sandy Bridge/Ivy Bridge). Because Samsung does not always provide direct driver downloads for retail, most drivers come from Intel or Realtek reference sources.
Samsung H61S2 is an OEM motherboard typically found in older Samsung desktop systems (like the DB-Z400 series) and is built around the Intel H61 Express Chipset samsung h61s2 motherboard drivers