main features intel? core?2 duo processor up to 2.16 ghz system memory up to 4 gb 667 mhz ddr2 sodimm sockets x 2 one mini pci socket; one mini pci-e socket one pci-e expansion slot (pci is available as an option) built-in cf card interface (ide interface for os booting) dual gigabit ethernet ports supporting lan teaming one rs-232/ gpio (8 channels, ttl level, by swapping pin header) one rs-232/422/485 port; (supporting auto-flow control, selected by bios)