Motherboard Processor USB Port 5 x USB 2.0 1MB Serial Port 4 RS-232 Ports (power option via jumper) Cache CPU Mark Score Chipset External I/O Ports Intel® Atom™ Dual Core Processor D2550 1.86GHz 752 Points Gigabit LAN Port 1 Intel® NM10 Chipset Cash Drawer Port 1 System Memory 1xDDR3 SoDimm up to 4GB, 1066MHz VGA Port 1 Graphic Memory Intel® GMA 3650, DirectX9 DC Jack Lock-in 4PIN, 19V Display LCD Size Audio-Out Port Optional PS/2 Port Optional 14.