HP 685768-601 - System board (motherboard) - Intel HM70 Express Chipset - For use in models equipped with an Intel Pentium or Celeron processor, a

System board (motherboard) - Intel HM70 Express Chipset - For use in models equipped with an Intel Pentium or Celeron processor, a graphics subsystem with UMA video memory, and Windows 8 Professional Edition - Includes replacement thermal materials