User manual
TREK-743 User Manual 22
4.1.3 Connectors on the Motherboard
On-board connectors link the Vehicle Mounted Computer to external devices such as
hard disk drives. The table below lists the function of each connector.
Table 4.2: Connectors on the Motherboard
Label Function
BH1 RTC battery
DIMM1 Dual In-line Memory Module Socket for SDRAM
CN2 RESET
FS3 Fuse
CN4 Power input connector
CN5 SIM holder
CN8 LAN
CN9 Mini PCI socket
CN10 Line in connector (Reserved)
CN11 Line out connector (Reserved)
CN13 USB1+USB2
CN14 USB3 (Blue Tooth)
CN16 Internal COM4 connector for GPRS
CN17 COM1
CN18 Internal COM3 for touchscreen / Inverter power connector / USB4
CN19 COM2
CN20 Internal COM5 connector for GPS
CN25 CF connector
CN26 BIOS
CN31 GPIO/CAN Connector
CN33 Connector for Function Board
CN35 Connector for LCD timing control Board