The motherboard receptacle for Pentium II and III CPUs. Socket 370 accepts a 370-pin PPGA (plastic pin grid array) chip package. Socket 370 chips and motherboards cost less to manufacture than the more elaborate Single Edge Cartridge (SEC) and Slot 1 receptacle introduced with the Pentium II. See Super7
Socket 370 and Slot 1
This motherboard supports both types of sockets for Pentium III chips.