System Configurations: PIII ALL-IN-ONE POS Board Built-In LAN Adaptor Processor: C3 1GB low power CPU Memory: 128MB RAM (Maximum 512 MB) TFT LCD Colour Monitor Option: 12.1" TFT LCD Colour with Touch Screen 15" TFT LCD Colour with Touch Screen 3.5" 80GB Hard Disk Drive 4 RS-232 Ports (with +12V/+5V Power Selectable) 1 External PS/2 Keyboard Connector 1 PS/2 Keyboard Port, 1 Mouse Port 1 VGA Port, 1 Parallel Ports 2 USB Ports, 2 Internal USB Ports Power Supply: AC 115~230V, 60Hz/50Hz, 200W Complete System Dimension: 280(W) x 380(D) x 55(H)mm Optional Items: 20x2 Lines VFD Customer Display Slim CD ROM Drive 42 Keys POS Keyboard Magnetic Card Reader Modular Thermal Printer Cash Drawer