D975XBG Intel 975x BTX Motherboard Intel 975x Socket 775 1066MHz Intel 975X chipset consisting. MCH northbridge: Intel D975X. ICH southbridge: 82801GH (ICH7-DH).Processor Support: Intel Pentium 4&#44; Pentium D&#44; Core 2 Duo&#44; Core 2 Extreme&#44; Quad Core or Quad Core Extreme LGA775 socket.