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