
ii
3.2 Jumper & Connector Quick Reference Table............................3-3
3.3 Component Locations Of System Main Board..........................3-5
3.3.1 Top View of System Main Board .......................................3-5
3.4 How To Set Jumpers.................................................................3-7
3.5 Function Buttons and Rear I/O Ports........................................3-9
3.5.1 Power Button.....................................................................3-9
3.5.2 Power Input Port................................................................3-9
3.5.3 Cash Drawer Port..............................................................3-9
3.5.4 UART3 Connector...........................................................3-10
3.5.5 VGA Port..........................................................................3-10
3.5.6 USB Port..........................................................................3-11
3.5.7 LAN Port..........................................................................3-12
3.5.8 MicroSD Port...................................................................3-13
3.5.9 Micro USB Port................................................................3-13
3.6 Setting Main Board Connectors and Jumpers........................3-14
3.6.1 UART Port Voltage Selection (JP_COM0, JP_COM1,
JP_COM2, JP_COM3, JP_COM5) .................................3-14
3.6.2 External USB 2.0 Port .....................................................3-15
3.6.3 Internal USB 2.0 Connectors...........................................3-16
3.6.4 Internal UART Connectors ..............................................3-17
3.6.5 Power for Thermal Printer Connector..............................3-18
3.6.6 Power Connectors (DC 12V, DC 5V) ..............................3-18
3.6.7 Power LED Connectors...................................................3-19
3.6.8 LVDS Connector..............................................................3-20
3.6.9 Mini PCIE Connector.......................................................3-21
3.6.10 Power Switch Connector 2..............................................3-22
3.6.11 Inverter Connector...........................................................3-22
3.6.12 External Speaker Connector ...........................................3-23